24V and 25V Power Supply with 2A Current
I am looking for a 25V Power Supply with 2A current for my Application. A regulated supply. TA – US Here is a simple to […]
Month: February 2019
UPS and Inverter Schematics
Do you perhaps have an inverter schematic for a sinewave inverter or stepped squarewave using the SG3525 chip. I’m also interested in connecting the inverter […]
Making Coils and Transformers
Message – Can we make Coils and small transformers at home. I have copper wire and some lamination in my stores. – 2005 IJ – […]
Digital to Analog Converter with uC Watchdog
This is the continuation of the earlier post. Part of 80C39 based Process Controller. In this schematic you can see the Watchdog and D/A Converter. […]
Battery Backup Supply
This is a 9V power supply which will work even on power failure. It uses a rechargeable battery and regulators. A transformer with 15-0-15 AC […]
Perpetual Candle – White LED Lamp on Ni-Cd
This is a easy to build LED lamp circuit for Learning and building skills. This is the first draft schematic V 1.0. It will need […]