Sep 21, 2017 #1 D DianWardiana Junior Member level 3 Joined Sep 7, 2017 Messages 30 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 189 Up Threshold is 6V Low Threshold is 4.2V My question is how to build the circuit? Regards, Dian
Sep 21, 2017 #2 KlausST Advanced Member level 7 Joined Apr 17, 2014 Messages 25,158 Helped 4,868 Reputation 9,757 Reaction score 5,536 Trophy points 1,393 Activity points 168,347 Hi, Search for "comparator hysteresis". Here in the forum or/and in the internet. To drive the LED I recommend to add a mosfet at the output. If your comparator has open_drain or open_collector output, then you need to connect a pullup resistor. Klaus
Hi, Search for "comparator hysteresis". Here in the forum or/and in the internet. To drive the LED I recommend to add a mosfet at the output. If your comparator has open_drain or open_collector output, then you need to connect a pullup resistor. Klaus
Sep 21, 2017 #3 D DianWardiana Junior Member level 3 Joined Sep 7, 2017 Messages 30 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 189 Hi, Thanks that you always helped me. Regards, Dian