![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
![12V 1-Channel Touch Relay Module Capacitive Touch Switch For Arduino T – Sunhokey Electronics Co., Ltd 12V 1-Channel Touch Relay Module Capacitive Touch Switch For Arduino T – Sunhokey Electronics Co., Ltd](https://sunhokey.cn/cdn/shop/products/4_0e749087-df6d-4566-b5a2-6ec2eca8e850_1300x.jpg?v=1531899365)
12V 1-Channel Touch Relay Module Capacitive Touch Switch For Arduino T – Sunhokey Electronics Co., Ltd
![Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/61Ynyg4Sd8L.jpg)
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
![Physical switch + relay + arduino nano looking for a sketch - Need Help With My Project - Blynk Community Physical switch + relay + arduino nano looking for a sketch - Need Help With My Project - Blynk Community](https://community.blynk.cc/uploads/default/original/3X/2/9/29bd7763aa4a590ee83cd482222bd94918a10a68.png)
Physical switch + relay + arduino nano looking for a sketch - Need Help With My Project - Blynk Community
![Amazon.com: 12V 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 (12V-2Channel) : Industrial & Amazon.com: 12V 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 (12V-2Channel) : Industrial &](https://m.media-amazon.com/images/I/81F88t-oKjL._AC_UF1000,1000_QL80_.jpg)