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Digital Tester circuit

Digital Tester circuit with LM324

Relay Driver Control circuit

Relay Driver Control circuit using NE555, 741, 1N4001, SL100, D313, C106

Circuit diagram Power Supply with good stabilization.

The power supply should be capable of supplying the maximum current required with good stabilization. I used commercially available 40 – 0 – 40 5A transformer. The transformer have 6V, 9V, 12V and 22V windings also. The transformer cost me around Rs: 370. Power supply provides 110 Volt 2.5 Amps or 55 Volt 5 Amps. […]

Photocell light Switch

Photocell light Switch Wiring Diagram Photocell Light Sensor Photoelectric Switch 220V using Relay and LDR Maximum Wattage – 1000 Watt Voltage – 110 – 220V Maximum Amps – 5A LDR Relay 220v photocell light fixtures, solar cell light, solar panel light, solar energy light, solar power light, photocell light switch, photocell light sensor, how does […]

Booster Antenna

Booster Antenna Circuit Antennas that are much shorter than 1/4 wavelength present a very small and highly relative impedance that is dependent on the received frequency. It is difficult to match impedances over a decade of frequency coverage. Instead, input stage Q1 is an FET source-follower. A high-impedance input successfully bridges antenna characteristics at any […]

Making TV remote control blocker

Make circuit electronics TV remote control blocker Circuit diagram of this function shifts the frequency of 38 kHz TV remote and the remote will be jammed. This is necessary to set the 10K potentiometer while pointing the device at your TV to block the IR rays from the remote. This can be done by trial […]

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