![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
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
![Powering up via 5V I/O 4. Using batteries greater than 5V connected in... | Download Scientific Diagram Powering up via 5V I/O 4. Using batteries greater than 5V connected in... | Download Scientific Diagram](https://www.researchgate.net/publication/334560744/figure/fig6/AS:782311155048449@1563528922284/9-Powering-up-via-5V-I-O-4-Using-batteries-greater-than-5V-connected-in-the-Vin-pin-of.png)
Powering up via 5V I/O 4. Using batteries greater than 5V connected in... | Download Scientific Diagram
![esc - Is it safe to give 5v through 5v pin of arduino uno r3 while usb cable inserted - Robotics Stack Exchange esc - Is it safe to give 5v through 5v pin of arduino uno r3 while usb cable inserted - Robotics Stack Exchange](https://i.stack.imgur.com/cBaib.jpg)