You can test any InfraRed (IR) remote from a long distance by making a circuit using TSOP 1738 IC.
Components Required :
1)TSOP 1738 IC
2) Led ( any color)
3) capacitor ( between 10 mf to 100 mf)
4) Resistor ( between 470 ohm to 1000 ohm)
5) Breadboard
6) 9v battery
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