- Needle: side pin
- Power supply: LP2985-3.3
- Max voltage: 16V
- Add a 47uF tantalum capacitor
- Port: MUX (UART0, UART2, mnnI2 and OSD are optional, OSD is the defaulted output)
Jumper cap choose:
- Built-in compass: plug the jumper cap in the MAG pin header.
- External compass: pull up the jumper cap from the MAG pin header.
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