![Yizhet 5V Module Relais DC 5V 230V 2 Canaux Module Relais avec Optocoupleur pour Raspberry Pi Arduino UNO R3 Mega 2560 1280 DSP Arm PIC AVR STM32 MCU DSPTTL Logic, 2-Canaux : Yizhet 5V Module Relais DC 5V 230V 2 Canaux Module Relais avec Optocoupleur pour Raspberry Pi Arduino UNO R3 Mega 2560 1280 DSP Arm PIC AVR STM32 MCU DSPTTL Logic, 2-Canaux :](https://m.media-amazon.com/images/I/51v37ZuNuyL._AC_SY1000_.jpg)
Yizhet 5V Module Relais DC 5V 230V 2 Canaux Module Relais avec Optocoupleur pour Raspberry Pi Arduino UNO R3 Mega 2560 1280 DSP Arm PIC AVR STM32 MCU DSPTTL Logic, 2-Canaux :
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Are these normal? 5V pin got only 4.76V and 3.3V pin got only 3.15V - Microcontrollers - Arduino Forum
![Kit Source d'alimentation DC/USB 5V/3. 3V pour Plaque Prototype [Arduino] : Amazon.com.be: High-tech Kit Source d'alimentation DC/USB 5V/3. 3V pour Plaque Prototype [Arduino] : Amazon.com.be: High-tech](https://m.media-amazon.com/images/I/51RU9g3KOuL._AC_SY780_.jpg)
Kit Source d'alimentation DC/USB 5V/3. 3V pour Plaque Prototype [Arduino] : Amazon.com.be: High-tech
![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)