mirror of
https://github.com/taigrr/arduinolibs
synced 2025-01-18 04:33:12 -08:00
Move TransistorNoiseSource to its own library
This commit is contained in:
Rhys Weatherley
@@ -1,258 +0,0 @@
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/*
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* Copyright (C) 2015 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
* DEALINGS IN THE SOFTWARE.
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*/
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#include "TransistorNoiseSource.h"
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#include "RNG.h"
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#include "Crypto.h"
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#include <Arduino.h>
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/**
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* \class TransistorNoiseSource TransistorNoiseSource.h <TransistorNoiseSource.h>
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* \brief Processes the signal from a transistor-based noise source.
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*
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* This class processes input from a transistor-based noise source, such as
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* that described by <a href="http://robseward.com/misc/RNG2/">Rob Seward</a>.
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* See that Web page for full details on how such noise sources work,
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* how the output should be used, and caveats for the unwary.
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* For convenience, Rob's circuit is reproduced below:
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*
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* \image html transistor_noise_source.png
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*
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* The following example shows how to initialize a transistor-based noise
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* source and use it with \link RNGClass RNG\endlink. The noise is read
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* from the A1 pin on the Arduino and stirred into the random number pool
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* on a regular basis. For more information, see the documentation for
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* \link RNGClass RNG\endlink.
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*
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* \code
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* #include <Crypto.h>
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* #include <RNG.h>
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* #include <TransistorNoiseSource.h>
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*
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* // Noise source to seed the random number generator.
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* TransistorNoiseSource noise(A1);
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*
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* void setup() {
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* // Initialize the random number generator with the application tag
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* // "MyApp 1.0" and load the previous seed from EEPROM address 500.
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* RNG.begin("MyApp 1.0", 500);
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*
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* // Add the noise source to the list of sources known to RNG.
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* RNG.addNoiseSource(noise);
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*
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* // ...
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* }
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*
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* void loop() {
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* // ...
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*
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* // Perform regular housekeeping on the random number generator.
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* RNG.loop();
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*
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* // ...
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* }
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* \endcode
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*
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* \sa \link RNGClass RNG\endlink, NoiseSource, RingOscillatorNoiseSource
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*/
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/*
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Theory of operation:
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From Rob Seward's original design we need to find the median of the input
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signal. That is, the threshold at which half the signal is below the
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threshold (a zero) and the other half is above the threshold (a one).
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Rob used a histogram table to find the median which is memory-intensive.
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We cannot afford to spend that much memory finding the median.
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In this implementation we divide the signal up into "buckets" of 1024
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samples. We pick a starting threshold and count the number of ones
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within the bucket. If the number of ones is between 45% to 55% of the
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total number of samples, then we use that threshold to convert the
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bucket into output bits. Otherwise we adjust the threshold up or down,
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discard the bucket, and try again.
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After a few buckets, the threshold naturally settles at the median without
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needing a histogram. The rest of the bucket processing can be done online
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with storage needed only for the debiased output bits.
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If the input voltage to the noise source is too low to generate noise,
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then the delta between the minimum and maximum samples in the bucket will
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be quite small. This is used to detect disconnection of the noise source.
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No output is generated when the noise source is disconnected.
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With 1024 raw input samples we get roughly 256 output bits after
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Von Neumann debiasing. As a further check, the output will be discarded
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if less than 192 bits are generated. This can happen when the noise source
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is connected or disconnected: only part of the bucket is valid.
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One of the properties of Rob's circuit design is that over time the median
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changes due to environmental factors and component wear. Because we adjust
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the threshold from bucket to bucket, it should naturally float up or down
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to the new median level as the circuit's properties change.
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*/
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// Number of ADC values that can be generated by analogRead().
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#define ADC_NUM 1024
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// Number of samples to collect for a single noise "bucket".
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#define SAMPLES_NUM 1024
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// Calculate a percentage of the sample bucket size.
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#define SAMPLES_PCT(num) ((int)(((long)SAMPLES_NUM) * (num) / 100L))
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// Expected spread between the minimum and maximum ADC readings for
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// the noise source to be considered as operating correctly.
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#define NOISE_SPREAD (ADC_NUM / 8)
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// Calibration states.
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#define NOISE_NOT_CALIBRATING 0
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#define NOISE_CALIBRATING 1
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/**
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* \brief Constructs a new transitor-based noise source handler.
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*
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* \param pin The analog input pin that the noise will appear on.
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*/
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TransistorNoiseSource::TransistorNoiseSource(uint8_t pin)
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: threshold(ADC_NUM / 2)
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, _pin(pin)
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, calState(NOISE_CALIBRATING)
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{
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// Configure the pin as an analog input with no pull-up.
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pinMode(pin, INPUT);
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digitalWrite(pin, LOW);
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// Start the bit collection routines.
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restart();
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}
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TransistorNoiseSource::~TransistorNoiseSource()
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{
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restart();
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}
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bool TransistorNoiseSource::calibrating() const
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{
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return calState != NOISE_NOT_CALIBRATING;
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}
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void TransistorNoiseSource::stir()
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{
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// Keep track of the minimum and maximum while generating data
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// so that we can detect when the input voltage falls too low
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// for the circuit to generate noise.
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int value = analogRead(_pin);
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if (value < minValue)
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minValue = value;
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if (value > maxValue)
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maxValue = value;
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// Collect two bits of input and remove bias using the Von Neumann method.
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// If both bits are the same, then discard both. Otherwise choose one
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// of the bits and output that one. We have to do this carefully so that
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// instruction timing does not reveal the value of the bit that is chosen.
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uint8_t bit = ((threshold - value) >> 15) & 1; // Subtract and extract sign.
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if (count & 1) {
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if (prevBit ^ bit) {
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// The bits are different: add the new bit to the buffer.
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if (posn < sizeof(buffer)) {
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buffer[posn] = (buffer[posn] << 1) | bit;
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if (++bitNum >= 8) {
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++posn;
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bitNum = 0;
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}
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}
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}
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} else {
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prevBit = bit;
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}
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// Keep a count of the number of raw 1 bits.
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ones += bit;
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// Bail out if we haven't collected enough samples for a full bucket yet.
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if (++count < SAMPLES_NUM)
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return;
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// If the maximum minus the minimum is too small, then there probably
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// is no signal or the input voltage is insufficient to generate noise.
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// Discard the entire bucket and return to calibration.
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if ((maxValue - minValue) < NOISE_SPREAD) {
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restart();
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calState = NOISE_CALIBRATING;
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threshold = ADC_NUM / 2; // Reacquire threshold when the signal returns.
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return;
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}
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// If the number of 1's is between 45% and 55% of the total count,
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// then we have a good bucket. The threshold is at an appropriate level.
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if (ones >= SAMPLES_PCT(45) && ones <= SAMPLES_PCT(55)) {
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if (posn >= (sizeof(buffer) * 3 / 4)) {
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// The buffer is at least three-quarters full of debiased bits
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// so pass them onto output(). There may be less bits if we
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// lost or gained the signal half-way through the bucket.
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// Credit 4 bits of entropy for every 8 bits of output.
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output(buffer, posn, posn * 4);
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}
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restart();
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calState = NOISE_NOT_CALIBRATING;
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return;
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}
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// The threshold is not close enough to the mid-point of the signal.
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// Adjust the threshold, discard the bucket, and try again.
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if (ones < SAMPLES_PCT(25) || ones > SAMPLES_PCT(75)) {
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// We are a long way away from the mid-point, so move the threshold
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// by a large amount based on the delta to get closer quicker.
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threshold -= (SAMPLES_PCT(50) - ones) / 8;
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} else if (ones < SAMPLES_PCT(50)) {
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// Not enough ones so move the threshold down a bit.
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--threshold;
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} else {
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// Too many ones so move the threshold up a bit.
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++threshold;
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}
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if (threshold < 0)
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threshold = 0;
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else if (threshold >= ADC_NUM)
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threshold = ADC_NUM - 1;
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restart();
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calState = NOISE_CALIBRATING;
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}
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/**
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* \brief Restarts the bit collection process for the next bucket.
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*/
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void TransistorNoiseSource::restart()
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{
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clean(buffer);
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prevBit = 0;
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posn = 0;
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bitNum = 0;
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minValue = ADC_NUM - 1;
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maxValue = 0;
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count = 0;
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ones = 0;
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}
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@@ -1,55 +0,0 @@
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/*
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* Copyright (C) 2015 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
* DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
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#ifndef CRYPTO_TRANSISTORNOISESOURCE_H
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#define CRYPTO_TRANSISTORNOISESOURCE_H
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#include <inttypes.h>
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#include "NoiseSource.h"
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class TransistorNoiseSource : public NoiseSource
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{
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public:
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explicit TransistorNoiseSource(uint8_t pin);
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virtual ~TransistorNoiseSource();
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bool calibrating() const;
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void stir();
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private:
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int threshold;
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uint8_t _pin;
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uint8_t prevBit;
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uint8_t posn;
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uint8_t bitNum;
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uint8_t calState;
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uint8_t buffer[32];
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int minValue;
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int maxValue;
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int count;
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int ones;
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void restart();
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};
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#endif
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@@ -1,44 +0,0 @@
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// This example dumps the raw data from a transistor noise source
|
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// without any of the whitening normally performed by the RNG class.
|
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|
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#include <Crypto.h>
|
||||
#include <TransistorNoiseSource.h>
|
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|
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char const hexchars[] = "0123456789ABCDEF";
|
||||
|
||||
class RawNoiseSource : public TransistorNoiseSource
|
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{
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public:
|
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RawNoiseSource(uint8_t pin) : TransistorNoiseSource(pin) {}
|
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|
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protected:
|
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void output(const uint8_t *data, size_t len, unsigned int credit)
|
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{
|
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for (size_t posn = 0; posn < len; ++posn) {
|
||||
uint8_t value = data[posn];
|
||||
Serial.print(hexchars[(value >> 4) & 0x0F]);
|
||||
Serial.print(hexchars[value & 0x0F]);
|
||||
}
|
||||
Serial.println();
|
||||
}
|
||||
};
|
||||
|
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RawNoiseSource noise(A1);
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bool calibrating = true;
|
||||
|
||||
void setup() {
|
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Serial.begin(9600);
|
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Serial.println();
|
||||
Serial.println("calibrating");
|
||||
}
|
||||
|
||||
void loop() {
|
||||
noise.stir();
|
||||
bool nowCalibrating = noise.calibrating();
|
||||
if (nowCalibrating != calibrating) {
|
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calibrating = nowCalibrating;
|
||||
if (calibrating)
|
||||
Serial.println("calibrating");
|
||||
}
|
||||
}
|
||||
@@ -2,13 +2,18 @@ AES128 KEYWORD1
|
||||
AES192 KEYWORD1
|
||||
AES256 KEYWORD1
|
||||
ChaCha KEYWORD1
|
||||
ChaChaPoly KEYWORD1
|
||||
|
||||
BLAKE2b KEYWORD1
|
||||
BLAKE2s KEYWORD1
|
||||
SHA1 KEYWORD1
|
||||
SHA256 KEYWORD1
|
||||
SHA512 KEYWORD1
|
||||
SHA3_256 KEYWORD1
|
||||
SHA3_512 KEYWORD1
|
||||
KeccakCore KEYWORD1
|
||||
Poly1305 KEYWORD1
|
||||
GHASH KEYWORD1
|
||||
|
||||
Curve25519 KEYWORD1
|
||||
|
||||
@@ -16,18 +21,19 @@ CBC KEYWORD1
|
||||
CFB KEYWORD1
|
||||
CTR KEYWORD1
|
||||
OFB KEYWORD1
|
||||
GCM KEYWORD1
|
||||
|
||||
RingOscillatorNoiseSource KEYWORD1
|
||||
RNG KEYWORD1
|
||||
TransistorNoiseSource KEYWORD1
|
||||
|
||||
keySize KEYWORD2
|
||||
ivSize KEYWORD2
|
||||
tagSize KEYWORD2
|
||||
setKey KEYWORD2
|
||||
setIV KEYWORD2
|
||||
encrypt KEYWORD2
|
||||
decrypt KEYWORD2
|
||||
clear KEYWORD2
|
||||
addAuthData KEYWORD2
|
||||
|
||||
hashSize KEYWORD2
|
||||
blockSize KEYWORD2
|
||||
|
||||
@@ -1,203 +0,0 @@
|
||||
#FIG 3.2 Produced by xfig version 3.2.5c
|
||||
Landscape
|
||||
Center
|
||||
Metric
|
||||
A4
|
||||
100.00
|
||||
Single
|
||||
-2
|
||||
1200 2
|
||||
0 32 #404040
|
||||
0 33 #808080
|
||||
0 34 #c0c0c0
|
||||
0 35 #e0e0e0
|
||||
0 36 #808080
|
||||
0 37 #c0c0c0
|
||||
0 38 #e0e0e0
|
||||
0 39 #444444
|
||||
0 40 #8e8f8e
|
||||
6 3465 4275 3690 4590
|
||||
5 1 0 1 0 -1 0 0 -1 0.000 1 0 0 0 3600.000 4600.000 3510 4480 3600 4450 3690 4480
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 1 -1 0 0 2
|
||||
3600 4450 3600 4590
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 1 -1 0 0 2
|
||||
3510 4410 3690 4410
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 1 -1 0 0 2
|
||||
3600 4410 3600 4275
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 1 -1 0 0 2
|
||||
3536 4304 3536 4374
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 1 -1 0 0 2
|
||||
3506 4339 3566 4339
|
||||
-6
|
||||
6 4725 4500 5220 4950
|
||||
1 3 0 1 0 -1 0 0 -1 0.000 1 0.0000 4995 4725 186 186 4995 4725 5040 4905
|
||||
2 1 0 1 0 -1 0 0 20 0.000 0 0 -1 0 0 4
|
||||
5095 4870 5050 4780 5005 4825 5095 4870
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4950 4725 5175 4950
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4950 4725 5175 4500
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4950 4590 4950 4860
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4950 4725 4725 4725
|
||||
-6
|
||||
6 4680 3600 4770 4050
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4725 3955 4725 4050
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 7
|
||||
4725 3690 4685 3717 4765 3771 4685 3825 4765 3879 4685 3933
|
||||
4725 3960
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4725 3600 4725 3695
|
||||
-6
|
||||
6 4230 4500 4725 4950
|
||||
1 3 0 1 0 -1 0 0 -1 0.000 1 0.0000 4455 4725 186 186 4455 4725 4410 4545
|
||||
2 1 0 1 0 -1 0 0 20 0.000 0 0 -1 0 0 4
|
||||
4355 4580 4400 4670 4445 4625 4355 4580
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4500 4725 4275 4500
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4500 4725 4275 4950
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4500 4860 4500 4590
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
4500 4725 4725 4725
|
||||
-6
|
||||
6 5490 4185 5805 4365
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
5625 4275 5490 4275
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
5670 4275 5805 4275
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
5625 4365 5625 4185
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
5670 4365 5670 4185
|
||||
-6
|
||||
6 6075 4050 6570 4500
|
||||
1 3 0 1 0 -1 0 0 -1 0.000 1 0.0000 6345 4275 186 186 6345 4275 6390 4455
|
||||
2 1 0 1 0 -1 0 0 20 0.000 0 0 -1 0 0 4
|
||||
6445 4420 6400 4330 6355 4375 6445 4420
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
6300 4275 6525 4500
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
6300 4275 6525 4050
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
6300 4140 6300 4410
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
6300 4275 6075 4275
|
||||
-6
|
||||
6 5895 3600 5985 4050
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
5940 3955 5940 4050
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 7
|
||||
5940 3690 5900 3717 5980 3771 5900 3825 5980 3879 5900 3933
|
||||
5940 3960
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
5940 3600 5940 3695
|
||||
-6
|
||||
6 3555 3330 3645 3420
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 3600 3375 30 30 3600 3375 3600 3405
|
||||
-6
|
||||
6 4680 3330 4770 3420
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 4725 3375 30 30 4725 3375 4725 3405
|
||||
-6
|
||||
6 5895 3330 5985 3420
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 5940 3375 30 30 5940 3375 5940 3405
|
||||
-6
|
||||
6 5895 4230 5985 4320
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 5940 4275 30 30 5940 4275 5940 4305
|
||||
-6
|
||||
6 5130 4230 5220 4320
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 5175 4275 30 30 5175 4275 5175 4305
|
||||
-6
|
||||
6 4680 4230 4770 4320
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 4725 4275 30 30 4725 4275 4725 4305
|
||||
-6
|
||||
6 5130 5355 5220 5445
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 5175 5400 30 30 5175 5400 5175 5430
|
||||
-6
|
||||
6 3555 5355 3645 5445
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 3600 5400 30 30 3600 5400 3600 5430
|
||||
-6
|
||||
6 6480 5355 6570 5445
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 6525 5400 30 30 6525 5400 6525 5430
|
||||
-6
|
||||
6 7155 4635 7245 5085
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
7200 4990 7200 5085
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 7
|
||||
7200 4725 7160 4752 7240 4806 7160 4860 7240 4914 7160 4968
|
||||
7200 4995
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
7200 4635 7200 4730
|
||||
-6
|
||||
6 7155 3510 7245 3960
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
7200 3865 7200 3960
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 7
|
||||
7200 3600 7160 3627 7240 3681 7160 3735 7240 3789 7160 3843
|
||||
7200 3870
|
||||
2 1 0 1 0 -1 0 0 -1 0.000 0 0 -1 0 0 2
|
||||
7200 3510 7200 3605
|
||||
-6
|
||||
6 7155 4005 7245 4095
|
||||
1 3 0 1 0 -1 0 0 20 0.000 1 0.0000 7200 4050 30 30 7200 4050 7200 4080
|
||||
-6
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
5175 4950 5175 5400
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
3600 4545 3600 5400
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
3600 4275 3600 3375
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
4725 4050 4725 4275
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
4275 4950 4275 5085
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 4
|
||||
4275 4500 4275 4275 5175 4275 5175 4500
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
4725 3600 4725 3375
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
6525 4500 6525 5400
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
5490 4275 5130 4275
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
5760 4275 6120 4275
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
5940 4050 5940 4275
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
5940 3645 5940 3375
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
7200 5085 7200 5400
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
7200 3510 7200 3375
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
|
||||
1 1 1.00 60.00 120.00
|
||||
6525 4050 7650 4050
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
|
||||
7200 3915 7200 4635
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 1 2
|
||||
8 1 1.00 60.00 120.00
|
||||
2925 5400 7200 5400
|
||||
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 1 2
|
||||
8 1 1.00 60.00 120.00
|
||||
2925 3375 7200 3375
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 420 3015 4455 10uF\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 345 6705 3780 10K\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 390 6705 4905 4.7K\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 435 5400 3870 1.5M\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 390 4185 3915 4.7K\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 345 3060 4680 25V\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 525 5400 4545 100nF\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 165 240 5265 4770 Q2\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 165 240 6615 4320 Q3\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 270 3915 5175 NC\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 165 240 3960 4770 Q1\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 405 2385 5490 GND\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 180 1185 7785 4005 To Analog Pin\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 960 7875 4230 On Arduino\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 180 3735 3330 5805 All transistors: BC548, 2N3904, or equivalent\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 180 4440 3015 6075 Collector of Q1 must be left not connected to anything\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 810 2070 3600 10 to 15V\001
|
||||
4 0 0 50 -1 0 12 0.0000 4 135 330 2295 3375 VIN\001
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 15 KiB |
Reference in New Issue
Block a user