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RFID - RC522 module one
Rated Current (MAX): 30mA
you can make hidden in the walls
5 mm connector with lenovo laptops which has female square plug
CentIoT - TDA7492 2 * 50W High Power Digital Amplifier Board - with Parallel Bridging 100W U025-BMINI-AF-5PIN-B RFID - RC522 module oneBrand: CentIoT Features: Amplifier chip: TDA7492 Output power: 50W + 50W; Protection mechanism: overheat, overcurrent, and short circuit protection Channel Type: 2. 0 Stereo; Audio input: Send 3PIN shielded cable Power input: DC 10 26V, Recommended DC voltage 12V to 24V, current above 6A Frequency response: 20Hz 20KHz Match speakers: 4 8, 15 50W, 3 10 inch bookshelf speakers, floor speakers. PartNumber: AU082 TDA7492 2X50W Model: AU082 TDA7492 2X50W
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