Search found 2 matches

by bkarpe
12 May 2019, 22:10
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 284
Views: 69429

Re: Serial MCU controlled relay/switch

Also, are the GPIO0 and/or GPIO2 pins available? I have determined that both GPIO0 and GPIO2 pins are available. I have two devices (BME280 and an OLED) running on I2C (scl=GPIO2, sda=GPIO0), and the relays still work. I expect there would be no problem using a DHT22, but I'd have to give up the I2...
by bkarpe
11 May 2019, 22:07
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 284
Views: 69429

Re: Serial MCU controlled relay/switch

I got the LC-Tech module working using ESP Easy. As I understand it, the Serial MCU device communicates to the controller via TX. Does anyone know if this device is one-way or two-way? In other words, is the RX pin available? Also, are the GPIO0 and/or GPIO2 pins available? I want to attach a DHT22 ...