Search found 2 matches

by marcov
05 Aug 2019, 12:58
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 353
Views: 101518

Re: Serial MCU controlled relay/switch

- If the led on the relayboard is flashing constandly even without the esp module then the mcu is emty. - if the LED is working but not the relay then check resistor R3 and R4 values. with my board the where swapped. and is solderred a 10K resistor over the R3 (10K) resistor - also you kan test the ...
by marcov
03 Aug 2019, 16:58
Forum: ESP Easy: Software
Topic: Serial MCU controlled relay/switch
Replies: 353
Views: 101518

Re: Serial MCU controlled relay/switch

New MCU Firmware for ESP-01 + relay from LC Technology. My first post as a newbie I did have a device from https://nl.aliexpress.com/item/32889057818.html?spm=a2g0s.9042311.0.0.44a94c4dSpilT1 Where the MCU was NOT flashed ( blinking led on relay board) followed instructions found on : https://www.e...