Written instructions: www.instructables.com/id/Ten-Breadboard-Projects-For-Beginners/?ALLSTEPS
Second project of the BPFB series..
Description: An IR remote tester which can be used to test whether it works or not. The circuit makes use of an IR receiver which gives a repeated high and low output when it receives infrared light. TV remotes have an IR led in front of them which is use to transmit signals, so if the led is working and the receiver is receiving, that means the remote is working. Since
infrared light has a higher wavelength than our eyes can see so we are not able to sense it however it can be seen clearly using a camera. The circuit is so modified that if
you press a button on the remote, an led will glow indicating that the remote is working.
Breadboard layout: cdn.instructables.com/FFL/QYPE...
Schematic: cdn.instructables.com/FKU/B9X2...
Instructions: Connect everything according to the layout displayed above. Connect a 9v battery to the power
rails and switch it on. Now bring an IR remote near it and press any button. The led would glow indicating that the remote is working.
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Parts List:
• 1x IR receiver (TSOP)
• 1x bc557 transistor
• 1x 10uf capacitor
• 1x 1K resistor
• 1x 220 ohm resistor
• 1x LED
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