- R1 controls the trip-point of the circuit.
- When the voltage falls below the trip-point, the led lights.
- Adjust it to the desired level.
- To use this circuit to monitor a 6v battery, substitute D1 for a 3.3 volt zener diode and adjust R1 accordingly.
Diagram for 12V battery monitor
Related article
- About 200 wireless patents from Freescale Semiconductors has been acuired by Apple, and r
- HOW THE CIRCUIT WORKSThe circuit is turned on by a “start” button that puts a small DC v
- This is a compact electronic siren circuit based on three transistors.This circuit is
- 32-bit Microcontroller-based Dev Kit Provides Complete Solution for the Development of 2
- Measure temperature safely and accurately with the Milwaukee 2277-21 12V Laser Temp-Gun
- A very simple countdown timer suite implemented on 89C2051 microcontroller. 1st Switch
Subscribe to:
Post Comments (Atom)
EmoticonEmoticon