F fuzzy New Member Oct 14, 2003 #1 I'm trying to build a current detector circuit, which will output a logic high pulse when current exceeds, say 9 amps. Any ideas? :shock:
I'm trying to build a current detector circuit, which will output a logic high pulse when current exceeds, say 9 amps. Any ideas? :shock:
T Thelli New Member Oct 14, 2003 #2 Use a current sensing resistor => **broken link removed**, an opamp and, if you need a pulse, a NE555-based one-shot retriggerable circuit.
Use a current sensing resistor => **broken link removed**, an opamp and, if you need a pulse, a NE555-based one-shot retriggerable circuit.