Hi everybody ! I have build and H bridge to control a coil but I've got issues ... So I build my H bridge with 4 darlington transistor : Tip122 (datasheet : https://www.onsemi.com/pub/Collateral/TIP120-D.PDF ) and I control it with an arduino mega. So I made a program that send a square wave signa…

H bridge issue

lucrus91 October 23, 2017, 4:45pm 7

I have roughly 3A in my coil, it's why I choose darlington.

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