Circuit, Components, Design, Electronics, Home, Techniques, Television

Long range uPD6121 IR Transmitter


Here is a long range Digital IR transmitter. It is a precision IR transmitter suitable for TSOP 1738 IR receiver module. Unlike other IR transmitters, this circuit is highly reliable and gives fail proof operation.

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Circuit, Design, Electronics, Hobby Circuits, Home, Techniques

IR Triggered White LED Lamp


You can switch on this short duration White LED Lamp using the TV remote. The lamp turns off automatically after 3 minutes. It gives sufficient light in the room if you want to locate the remote buttons.

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Circuit, Design, Electronics, Hobby Circuits, Home, Techniques, Television

IR Sensor Tester


Most of the Remote control systems use TSOP 1738 IR Sensor module to control various functions. This IR Sensor is highly sensitive and may damage easily, if is supply voltage increases above 6 volts. This tester is useful to check the working of the IR Sensor. It gives audio-visual indications when the IR sensor is working properly.

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