WEMOS Motor Shield firmware for steppers (I2C)

Set speed  as usteps/s command  as float 4 bytes (24,8)format added

#define MOTOR_GET_COUNT 0x02
#define MOTOR_SET_COUNT 0x03
#define MOTOR_SET_TARGET 0x04
#define MOTOR_GET_TARGET 0x05
#define MOTOR_SET_TICKS 0x06
#define MOTOR_SET_DIR_RES 0x07
#define MOTOR_SET_PRESCALER 0x08
#define MOTOR_SET_WAVE_SCALE 0x09
 

Update Delphi  client for FT260 I2C DONGLE

I have uploaded a arduino Skecth and its works fine with WEMOS D1.

Wemos Motor Shield

STLink v2 clone (for developing) firmware can be upload by using any usbserial dongle.

FT260 (to talk I2c from your PC )

ch340 usb-serial ttl dongle