Is there any way to have an Arduino Uno pin output 3.3V instead of 5V when it is high (looking for a non PWM solution)? - Quora
![Amazon | KEYESTUDIO Plus Board for Arduino UNO R3 with Type-C USB Cable, 3.3V 5V 1.5A Output Current, More Powerful Controller Board | KEYESTUDIO | パソコン・周辺機器 通販 Amazon | KEYESTUDIO Plus Board for Arduino UNO R3 with Type-C USB Cable, 3.3V 5V 1.5A Output Current, More Powerful Controller Board | KEYESTUDIO | パソコン・周辺機器 通販](https://m.media-amazon.com/images/I/61W15FLVoUL._AC_UF1000,1000_QL80_.jpg)
Amazon | KEYESTUDIO Plus Board for Arduino UNO R3 with Type-C USB Cable, 3.3V 5V 1.5A Output Current, More Powerful Controller Board | KEYESTUDIO | パソコン・周辺機器 通販
![Are these normal? 5V pin got only 4.76V and 3.3V pin got only 3.15V - Microcontrollers - Arduino Forum Are these normal? 5V pin got only 4.76V and 3.3V pin got only 3.15V - Microcontrollers - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/5/4/2/5424180733c8862d13ebc17eaf6687f71feab796.png)
Are these normal? 5V pin got only 4.76V and 3.3V pin got only 3.15V - Microcontrollers - Arduino Forum
![2pcs DC 3.3V 5V 12V 6bits Multicolor Rapid Prototyping LED 2.54mm PIN 0603 Package for Arduino UNO MEGA2560 LoL Breadboard PCB - Price history & Review | AliExpress Seller - Shop1525466 Store | Alitools.io 2pcs DC 3.3V 5V 12V 6bits Multicolor Rapid Prototyping LED 2.54mm PIN 0603 Package for Arduino UNO MEGA2560 LoL Breadboard PCB - Price history & Review | AliExpress Seller - Shop1525466 Store | Alitools.io](https://alitools.io/en/showcase/image?url=https%3A%2F%2Fae01.alicdn.com%2Fkf%2FHc3b96f78e3164df797b60677a34649ffg.jpg)
2pcs DC 3.3V 5V 12V 6bits Multicolor Rapid Prototyping LED 2.54mm PIN 0603 Package for Arduino UNO MEGA2560 LoL Breadboard PCB - Price history & Review | AliExpress Seller - Shop1525466 Store | Alitools.io
![How to convert 5V Analog Sensor Output value to 3.3V Analog Value for NodeMCU – A blog about DIY solar and arduino projects How to convert 5V Analog Sensor Output value to 3.3V Analog Value for NodeMCU – A blog about DIY solar and arduino projects](https://i0.wp.com/solarduino.com/wp-content/uploads/2020/08/5-to-3.3v-PICTURE.png?fit=1408%2C774&ssl=1)