Using Flyback Diodes in Relays Prevents Electrical Noise in Your Circuits | PCB Design Blog | Altium
![Why do we need D1 to protect the transistor if the current wants to get back to the source anyway? (the coil) : r/AskElectronics Why do we need D1 to protect the transistor if the current wants to get back to the source anyway? (the coil) : r/AskElectronics](https://preview.redd.it/zh7unbmc9v071.jpg?auto=webp&s=1ee18bef9d19c2a958627080f355551e0531acca)
Why do we need D1 to protect the transistor if the current wants to get back to the source anyway? (the coil) : r/AskElectronics
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AZDelivery 8-Relay Module 5V with Optocoupler Low-Level Trigger Compatible with Arduino and Raspberry Pi Includes E-Book : Amazon.ca: Electronics
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5pin 12v 10a Relay | Relay Srd-03vdc | Relai 10a 12v | Relai 24v | Relais Dc - 1pcs 4pin 5pin - Aliexpress
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