![Can the same 9V supply used to power Arduino, also be used on the output side of a relay? - Project Guidance - Arduino Forum Can the same 9V supply used to power Arduino, also be used on the output side of a relay? - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/1/a/b/1abc000f7e7f4f5717b7780f9a25c3b34d1ba162.png)
Can the same 9V supply used to power Arduino, also be used on the output side of a relay? - Project Guidance - Arduino Forum
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1 one Channel Relay Switch Module 5V Low Level Trigger Relay Expansion Board for Arduino UNO R3 DSP ARM PIC AVR STM32 Raspberry Pi 4pcs: Amazon.com: Industrial & Scientific
![SOLVED] Could you check my circuit? - push on, dynamic off, with relay - Microcontrollers - Arduino Forum SOLVED] Could you check my circuit? - push on, dynamic off, with relay - Microcontrollers - Arduino Forum](https://forum.arduino.cc/uploads/short-url/7Wuf2NpGPO4qSI7hreTjRI99IVU.png?dl=1)
SOLVED] Could you check my circuit? - push on, dynamic off, with relay - Microcontrollers - Arduino Forum
![Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial & Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial &](https://m.media-amazon.com/images/I/81caZQ5RUpL.jpg)