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DC 12V 16 Channel Relay Module Interface Board With Optocoupler Protection LM2576 Power for Arduino DIY Kit
2 x Screws
38 inches / 4 piecesM6 Screws--12mm /0
easily access to music volume control on the go
Sitting also increases the chance of being bumped and bruised
HiLetgo 2pcs ICL8038 Monolithic Function Signal Generator Module DIY Kit Sine Square Triangle ship04 DC 12V 16 Channel RelayHiLetgo 2pcs ICL8038 Monolithic Function Signal Generator Module DIY Kit Sine Square Triangle Description: ICL8038 pin functions: Pin 1, Pin 12: sine waveform adjusting terminal; Pin 2: sine wave output; Pin 3: triangle wave output; Pin 4, Pin 5: the frequency and duty cycle (or waveform asymmetry) adjustment; Pin 6: V +, the positive power supply; Pin 7: Frequency Offset; Pin 8: Frequency adjustment input terminal; Pin 9: square wave output. This is
