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thanx alex so my problem is that i need a bigger psu? 24v maybe? i didnt add the resistors to the optos because I am using the pin output of a Uc to exite them, you think i should still use them anyways?
---------- Post added at 11:27 ---------- Previous post was at 11:19 ----------
thanx...
hey thanks for the help wizpic! any help is better than no help at all. the voltage drops to zero. if i read the voltage that goes to the motor i get 11.2v with out the motor connected once its in place it drops to 8.9V and if i try to stop the motor i drops gradually until it reaches zero and...
what type of battery is it? NiMH or lead-acid or Li-ion there are quite a few out there
*edit* sorry i didnt read the lead acid part on the topic. take look a this link: DIY Lead Acid Battery Charger
Hi, I decided to build this H-bridge to drive a power window motor which is rate at 12v 8A and it works to the point that it will switch the motor's direction BUT if I put a load (i.e hold it with my finger tips to make it stop rotating) on the motor the tips(142 & 147) will just heat up and the...
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