Electronic components &Bom
Hot offer Ic chip KA7805ETU TO220 Voltage Regulator IC Programming BOM List Integrated Circuit Transistor KA7805 KA7805E
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Exact specifications should be obtained from the product data sheet.
XS9871 Mini Class AB module Digital power amplifier board 5V mono 5W audio power amplifier
Matters needing attention
1, please strictly install the wiring diagram
2, the power supply must not be reversed, and the reverse IC is burned out
3, please use 2.5V-5.5V power supply, do not use AC power supply or higher than 5.5V power supply, it is recommended to use 5V
4. The power supply current is above 1A
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