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ionpak-thermostat
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fix resistor number in errata

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Sébastien Bourdeauducq 2017-05-10 18:29:03 +08:00 committed by GitHub
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commit 3cbbd124b3
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@ -33,7 +33,7 @@ PCB rev 1:
* D203 reversed polarity * D203 reversed polarity
* R236 and R234 are swapped * R236 and R234 are swapped
* Q301 needs to be NPN, change to BC817 * Q301 needs to be NPN, change to BC817
* increase R307 -> 3.3Kohm and increase R300 -> 33Kohm * increase R307 -> 3.3Kohm and increase R500 -> 33Kohm
* C201: oscillates at 0 and 1nF, stable at 100nF * C201: oscillates at 0 and 1nF, stable at 100nF
* add clamp diodes to GND on op-amp outputs to ADC when op-amp has negative supply * add clamp diodes to GND on op-amp outputs to ADC when op-amp has negative supply
* R214 -> 4.7k * R214 -> 4.7k