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The 16 relay module and the Raspberry Pi: not an ideal marriage – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
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Looking for help connecting 3.3v GPIO to either 3.3v or 5v relay - Jobs and Paid Consultancy - Arduino Forum
![The 16 relay module and the Raspberry Pi: not an ideal marriage – Arduino, ESP8266, ESP32 & Raspberry Pi stuff The 16 relay module and the Raspberry Pi: not an ideal marriage – Arduino, ESP8266, ESP32 & Raspberry Pi stuff](https://arduinodiy.files.wordpress.com/2018/09/16relaymodule1.jpg)
The 16 relay module and the Raspberry Pi: not an ideal marriage – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
![XICOOLEE 2 Channel Relay Module Relay Expansion Board for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B STM32 Ardui,Optocoupler Isolation 3.3V&5V XICOOLEE 2 Channel Relay Module Relay Expansion Board for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B STM32 Ardui,Optocoupler Isolation 3.3V&5V](https://m.media-amazon.com/images/I/71ylKQsgqkL._AC_UF1000,1000_QL80_.jpg)
XICOOLEE 2 Channel Relay Module Relay Expansion Board for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B STM32 Ardui,Optocoupler Isolation 3.3V&5V
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optocoupler relay 8 Channel Relay Module 8 Channel Optocoupler 3.3V Relay Module Board High & Low Trigger 12V (24V)
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