BIG TREE TECH S42C - Motherboard Firmware Configuration; Microsteps to Pulse Number Mapping; Cautions; General Cautions and Best Practices

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BIG TREE TECH
七、Motherboard firmware configuration
The firmware of the motherboard only needs to configure the pulse
number per millimeter to ensure that it is consistent with the microsteps
set in S42C. S42C does not communicate with the motherboard through
SPI or UART. Other configurations can be set according to A4988
STANDALONE mode.
Microsteps
Pulse number for full cycle (1.8°stepper)
1
200
2
400
4
800
8
1600
16
3200
32
6400
64
12800
128
25600
256
51200
八、Cautions:
1.Please ensure that the direction of the adapter plate is
correct.Check the sequence of motor line and closed-loop link
line.
2.For the first use, the closed-loop driver board must be
connected to the motherboard with firmware, and then calibrate
the encoder, please wait for 1-2 minutes.
3.Check if the driver is ready to be installed when connecting
serial ports to computer.