ESP-01 with relay simple example does not work

Use this forum to chat about hardware specific topics for the ESP8266 (peripherals, memory, clocks, JTAG, programming)
 Reply

User avatar

Re: ESP-01 with relay simple example does not work

By VahaC
- Sun Nov 20, 2016 11:17 am #58429
RichardS wrote:whats that other blue box?

this is AM1117 board (DC-DC 5V to 33.3V)

RichardS wrote:make sure all grounds are on, and there is +5/3.3 on the relay board

When i manually connect/disconnect GND to relay In pin the relay changes it state
User avatar

Re: ESP-01 with relay simple example does not work

By RichardS
- Sun Nov 20, 2016 6:50 pm #58442 Interesting....

Should be OK.... maybe the relay board needs 5V input and not 3.3V from the uC

RichardS
 Reply
Return to Hardware Specific