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Continue to ChatIR Transmitter & Receiver 5mm LED Tx Rx Photodiode Pair https://www.multanelectronics.com/product/ir-transmitter-receiver-5mm-led-tx-rx-photodiode-pair/
IR Transmitter & Receiver 5mm LED Tx Rx Photodiode Pair https://www.multanelectronics.com/product/ir-transmitter-receiver-5mm-led-tx-rx-photodiode-pair/