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110 single chip siren Music Integration Module 3V Alarm Voice Sound Chip Module Police Music Pl..

1.00€

433Mhz RF transmitter and receiver Module link kit ARM/MCU WL diy 433mhz wireless..

4.50€

433Mhz RF transmitter and receiver Module link kit ARM/MCU..

4.50€

Features:1.Non contact switch2.Hall switch integrated circuits use the hall effect principle,3.Adopt..

5.20€

LM386 Audio amplifier Module 200 times amplification 5-12V input voltage Size 41mm x ..

2.50€

Power supply voltage: DC9V - 12V PCB Size: 62mm * wide 27mm ..

6.00€

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