Thank you all very much!
I am a electrical engineering student so I will learn more about circuits and current next semester.
Search found 3 matches
- Sat May 11, 2019 8:19 am
- Forum: ESP8266 boards
- Topic: Powering relay with NodeMcu
- Replies: 8
- Views: 5382
- Sat May 11, 2019 7:23 am
- Forum: ESP8266 boards
- Topic: Powering relay with NodeMcu
- Replies: 8
- Views: 5382
Re: Powering relay with NodeMcu
I bought this relay: https://www.gearbest.com/power/pp_355149.html?wid=1433363 So from what I understood, there is no possible way to connect and control a relay from a single esp8266 board with usb 5v only? By the way I found another issue. This time with connecting water pump: https://www.gearbest...
- Fri May 10, 2019 4:43 pm
- Forum: ESP8266 boards
- Topic: Powering relay with NodeMcu
- Replies: 8
- Views: 5382
Powering relay with NodeMcu
Hello, I am a newbie in using electronics and i have some issues. I bought Nodemcu and 5v relay. I connected him with the Vin port to receive 5 volt for the relay. I configured another GPIO for controlling the relay by the "relay = machine.Pin(5, machine.Pin.OUT)" and then the relay switched to on. ...