Description
On board two power supply interface VCC5 5 V VCC4 interface 3
5mm diameter
so the user can monitor whether a battery is being charged or discharged
Green cable ----- TXD
Support digital audio and analog audio
12.5 Mhz crystal Oscillator (Pack of 2) r3 On board two power supplyA crystal oscillator, is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a very precise frequency. Features Stability in frequency. Small in size. Low cost. Easy of interfacing. Applications Resonance circuit. DIY projects. Electrical electronic projects. Clock generator for microcontroller. DTMF decoder.