ESP8266 12F WIFI LCTech 16 Channel relay board flash Arduino 74HC595 ESPHome

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Discussion and code available at;
Code replicates the units test mode operation out of the box.

To flash this unit;
1. Connect the IO0 pin to GND
2. connect only TX, RX and GND from TTL converter with 3.3v signals.
3. power unit with seperate clean regulated power 5v/12v/24v or whichever model you purchased, do not underpower the unit otherwise the relays will not trip and you may get unexpected results.
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Thanks for sharing the video and the source code in the descriptions.
The community needs more soldiers like you.

diytricks
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Congratulations! Can U help-me. I bought such a board and I'm having trouble using a pin for a temperature sensor. The sensor does not register on the pins I used. Do you know how I can solve this?

tubaraomartelo
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Where can I download the coding for smart phone to control the 16relays?

joechan
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hi i have bought 16 relay board and a esp8266 to run off i phone i am a bit lost can you help please

guycorner-fkjq
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Nice tool. But a ISP pin header would have made everything a lot easyer

ThomasMasterpiece