Electrical details new module

General

Protocol: RS485
Supply Voltage: 27-30V DC
- Communication works fine with ~24V but the blades will not move with such low voltages
Power consumption @30V:
- Standby: 11mA
- Flapping: 110mA

Pinout

Pin	Function
A	Data -
B	Data +
	GND
+	VCC

Images PCB

Front:

Back:

Parts on PCB

MCU MC68HC705P6A (MC705P6ACDWE)
- Datasheet
- Low-Cost MC68HC05P6
- 176 bytes RAM
- 4672 bytes user EPROM
- 239 bytes of bootloader ROM
- 21 input/output (I/O) pins (20 bidirectional, 1 input-only)
EEPROM 24C02WP
- Datasheet
- I2C 2K (256 x 8)
Motor driver UD2916LBT
- Datasheet
Serial Transceiver MAX487E
- Datasheet
Voltage Regulator LM78L05
- Datasheet
Magnetic rotation sensor (Murata?) 05 s81 (BS05s81?)