Respondidos ¿ESP8266 como broker MQTT local para que los sensores sigan funcionando cuando se cae internet?

I tried exactly the uMQTTBroker thing at home last year and gave up on it, then did this, which has been solid for 8…

hace 2 días, 19 horas

Respondidos Uno resets every time my Pi script opens /dev/ttyUSB0

Thanks James. -hupcl alone wasn't enough, the first open after a reboot still reset it, like you said. Put the 10 µF cap on…

hace 2 semanas, 3 días

Respondidos Switching Wi-Fi bulbs from a board Switch through my Pi, no vendor app

Working! Got two WiZ bulbs. The command list filled up as soon as I added light.set to the catalog. First version the Switch only…

hace 3 semanas, 4 días

Respondidos Veinte sondas DS18B20 en una sola Pi: caídas más allá de ocho sensores y cómo nombrar las claves

Two buses on GPIO4 and GPIO17, 2.2k each, and I re-did the run as a line along the racks. 20 of 20 for two…

hace 1 mes

Respondidos Uno as an I2C slave sending floats to a Mega and taking commands back: values come out garbled

Works first time, which never happens to me. Readings are clean and the valve opens when the Mega sends 1. I'd been sending text…

hace 1 mes

Iniciados Uno resets every time my Pi script opens /dev/ttyUSB0

Bit of a beginner so sorry if this is obvious. I have an Arduino Uno clone (CH340 chip) plugged into a Raspberry Pi with…

hace 1 mes, 2 semanas

Respondidos Veinte sondas DS18B20 en una sola Pi: caídas más allá de ocho sensores y cómo nombrar las claves

3 wires, 3.3V from the Pi. Legs are 30 cm to 1 m, it's more of a star than a line I guess.

hace 1 mes, 2 semanas

Respondidos Las pasarelas Pi remotas se reinician al azar: ¿cómo detecta el Pi la subtensión y puedo recibir una alarma por ello?

On my desktop Pi a little lightning bolt shows up in the corner when the supply is bad, so it definitely knows somehow.

hace 1 mes, 2 semanas