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DIY DC Voltage-Monitoring Device for Monitoring Your 12V Battery
24, 20pcs of resistors from various Ohms, 8pcs red, yellow,green small/large LEDs, a trimmer, 2pcs 1N4148 diode, 2pcs Zener Diode for each 1N4733 and 1N4737, a connector 2P terminal block and a PCB. This DC voltage-monitoring device provides an early warning of your battery conditions such flat batteries or other embarassing incidents on your car, tractor or boats. The device can be designed to monitor different range of DC voltages since the ch… 3, 135.04, 4, 17, monitoring: 10 voltage: 9 device: 5
How to Design an Automatic Fuel Level Monitoring-Circuit System in Gas Station Tank
Here we find an article that explains you about how to design a system that will measure the level of fuel in the tank (maybe gas station) and send it automatically to computer-monitoring system. Below is the circuit diagram of the monitoring device. The circuit will need a 240v supply which will step-down to 24V by a transformer and further be rectified using diodes (IN4007) to DC voltage. According to the article, you will need such 470µ… 1, 58.17, 1, 9, monitoring: 6 voltage: 4 device: 1
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