![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)
esc - Is it safe to give 5v through 5v pin of arduino uno r3 while usb cable inserted - Robotics Stack Exchange
![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://aws1.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
![Amazon.com: KOOKYE 3PCS Pro Micro ATmega32U4 5V/16MHz Module Board 2 Row Pin Header for Arduino Mini Leonardo : Electronics Amazon.com: KOOKYE 3PCS Pro Micro ATmega32U4 5V/16MHz Module Board 2 Row Pin Header for Arduino Mini Leonardo : Electronics](https://m.media-amazon.com/images/I/61abc33I7dL._AC_SY355_.jpg)
Amazon.com: KOOKYE 3PCS Pro Micro ATmega32U4 5V/16MHz Module Board 2 Row Pin Header for Arduino Mini Leonardo : Electronics
![2pcs Dc 3.3v 5v 12v 6bits Multicolor Rapid Prototyping Led 2.54mm Pin 0603 Package For Arduino Uno Mega2560 Lol Breadboard Pcb - Led Displays - AliExpress 2pcs Dc 3.3v 5v 12v 6bits Multicolor Rapid Prototyping Led 2.54mm Pin 0603 Package For Arduino Uno Mega2560 Lol Breadboard Pcb - Led Displays - AliExpress](https://ae01.alicdn.com/kf/Hc3b96f78e3164df797b60677a34649ffg/2pcs-DC-3-3V-5V-12V-6bits-Multicolor-Rapid-Prototyping-LED-2-54mm-PIN-0603-Package.jpg_Q90.jpg_.webp)