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Posts tagged 10k pot

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 […]

7W Audio Amplifier Circuit using LA4422

7W Audio Amplifier Circuit using LA4422

Circuit Diagram Converter trigger signal causes the 555 to discharge the capacitor for synchronization

LM1881 is used to do all the grunt work of separating the sync signals from the composite video. The chip provides the vertical sync on pin 3 for the vertical oscillator, and composite sync on pin 1 for the horizontal oscillator. The intensity signal comes from the composite video signal itself, but is negative. I […]

LM555 Microcontroller Circuit TIMER part 22

LM555 Microcontroller Circuit TIMER part 22

Dual Pre-power Amplifier, volume controller and DC motor speed controller circuit

Dual Pre-power Amplifier, volume controller and DC motor speed controller circuit using KA22134 Dual Pre-power Amplifier, volume controller and DC motor speed controller circuit using KA22134

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