All Questions
Tagged with low-battery comparator
3
questions
2
votes
2
answers
94
views
Unpowered LM393 Comparators
I'm working on a battery powered device and would like an LED to come on when the battery is getting low. In the given schematic, the LED is a red LED having a forward voltage of 2V, Lite-On product ...
- 95
3
votes
1
answer
200
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Single-cell lithium battery powered comparator circuit with hysteresis
I recently was reviewing a circuit I made and began to question its feasibility. The circuit cuts off a battery's connection to a load after the voltage has fallen below a certain threshold.
To ...
- 1,263
0
votes
3
answers
773
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Battery Tester Circuit with 3 LEDS
I'm designing a small system that uses an ATMEGA328P and a LoRa module that runs on 3.3V using a AAA 1.5V battery. The battery is connected to a Boost Converter which steps up the 1.5V to 3.3V to ...
- 557