Hi all, I’m attempting to develop a circuit which needs to retain variable information after removing power (which may last up to a week or two). I’m powering my mesh from USB and plan to connect a LiPo back-up. My plan is to detect the power loss and back up the necessary data to EEPROM for the …

YES! Normally the default is INPUT, but in this case you do indeed need to set it for it to work: #include "Particle.h" SYSTEM_THREAD(ENABLED); SerialLogHandler logHandler; bool lastPowerState = false; void setup() { pinMode(PWR, INPUT); pinMode(D7, OUTPUT); } void loop() { bool powerState …

Mesh (Argon/Xenon) detecting USB power loss

Connectivity BLE // NFC

peekay123 December 13, 2018, 6:27pm 7

@rickkas7, I agree. I can’t seem to find any references to PWR anywhere in the code base. Perhaps setting the pinMode first will do the trick?

Battery Charging Indicator - not working?

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Mesh (Argon/Xenon) detecting USB power loss

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