Search found 5 matches

by qingz
06 May 2018, 05:06
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 440
Views: 419606

Re: Serial MCU controlled relay/switch

Programmed the MCU of relay with the hex code from the post. And the relay works now. Well, sort of. The LED works, it turns on and off with the on/off command, but the relay does not switch. The problem is that the R3 is too big. It is 10K instead of 4.7K from LCTech. Once I changed it to 4.7K, it...
by qingz
05 May 2018, 03:56
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 440
Views: 419606

Re: Serial MCU controlled relay/switch

I bought 4 relays from AliExpress from this user. Is it possible the relays are faked? The MCU on the relay does not work? Or it takes a different command? There are several devices on the wild which is not programmed, you need a programmer, the STC15F104W microprograms can be found at: https://www...
by qingz
04 May 2018, 15:33
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 440
Views: 419606

Re: Serial MCU controlled relay/switch

Is there a way to read our the binary code from MCU of the official LCTech product and use it to program my relays?
by qingz
04 May 2018, 08:11
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 440
Views: 419606

Re: Serial MCU controlled relay/switch

I bought 4 relays from AliExpress from this user. Is it possible the relays are faked? The MCU on the relay does not work? Or it takes a different command? There are several devices on the wild which is not programmed, you need a programmer, the STC15F104W microprograms can be found at: https://www...
by qingz
04 May 2018, 01:18
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 440
Views: 419606

Re: Serial MCU controlled relay/switch

I bought 4 relays from AliExpress from this user. https://www.aliexpress.com/item/ESP8266-5V-WiFi-relay-module-Things-smart-home-remote-control-switch-phone-APP-no-with-ESP8266/32825888295.html None of them works. I tried send the serial command A00101A2 and A00100A1 in hex to the device directly fr...