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12V Battery Charger and Power Supply by Vaz Patrick is a document available to read on EtoBox.
What is 12V Battery Charger and Power Supply about?
1. The circuit uses LM138 voltage regulators, LM358 op-amp, 7812 regulator, and relays to build a 12V battery charger that can also function as a variable power supply. 2. It automatically detects when a battery is connected and charges it at 14.2V initially, then maintains it at 13.4V, and can detect reverse polarity connections. 3. The circuit was built on a single-sided PCB and components were laid out on the board according to the diagram, with connectors added to the enclosure for input, outputs, an
- Author
- Vaz Patrick
- Language
- EN