Homenode / Relay board
This is a control board for a WiFi-controlled outlet or light switch. On the top is a connector for a NodeMCU compatible ESP8266 module. It supports 2 independently controlled lights or outlets, with a toggle pushbutton and LED for each. It also has a plug for a DS18B20 temperature probe or other Dallas Semiconductor One Wire sensors. Came out exactly as submitted, though I did discover a mistake I made after the boards arrived - I accidentally deleted the trace between Q1 pin 3 (collector) and D1 pin 2 (anode). Luckily, it is just the right distance for a 1206 SMD resistor so I can use a 0 ohm shunt to bridge it.
Sep 03,2023
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