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esc - Is it safe to give 5v through 5v pin of arduino uno r3 while usb cable inserted - Robotics Stack Exchange
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safety - How much current can I draw from the Arduino's pins? - Electrical Engineering Stack Exchange
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Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics
![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
![Arduino UNO Pin Connections. There are total 19 I/O pins. All pins can... | Download Scientific Diagram Arduino UNO Pin Connections. There are total 19 I/O pins. All pins can... | Download Scientific Diagram](https://www.researchgate.net/profile/Husam-Ibrahim-3/publication/341521107/figure/fig2/AS:893276471169024@1589985115115/Arduino-UNO-Pin-Connections-There-are-total-19-I-O-pins-All-pins-can-be-programmed-as_Q640.jpg)