Author: delabs

del20029-png-2

Up-Down counter-timer

(A question answer thread of delabs.net, nearly a decade old) Presettable Up-Down counter-timer I am looking for a schematic for a pre settable Up/Down counter that I can build for my church. It needs...

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Motor driver H-Bridge partial

I envision a design based on the ST TD340 (page 19 of attached spec.) utilizing the power MOSFET IRF3709S (attached spec.) with external PWM-Signal (provided), separate external controller supply 20-30VDC (provided) power supply for...