AT8870 Motor Shield =========================== ================== ================== |TOP_IMG|_ |BOTTOM_IMG|_ ================== ================== .. |TOP_IMG| image:: ../_static/d1_shields/at8870_v1.0.0_1_16x16.jpg .. _TOP_IMG: ../_static/d1_shields/at8870_v1.0.0_1_16x16.jpg .. |BOTTOM_IMG| image:: ../_static/d1_shields/at8870_v1.0.0_2_16x16.jpg .. _BOTTOM_IMG: ../_static/d1_shields/at8870_v1.0.0_2_16x16.jpg I2C dual motor driver shield based on at8870. `[Buy it]`_ .. _[Buy it]: https://www.aliexpress.com/item/1005003800396010.html Features --------------------- * I2C interface * Power supply voltage: VM=6.5-38V * Output current: Iout=2A(average) / 3.6A (peak) * CW/CCW/short brake/stop motor control modes Pins ---------------------- =========== =========== =========== **D1 mini** **GPIO** **Shield** D1 5 SCL D2 4 SDA =========== =========== =========== * **VM:** Motor power supply + (6.5-38VDC) * **GND:** Motor power supply - * **1-A-2:** Motor A * **2-B-1:** Motor B Documents ----------------------- * `Schematic v1.0.0 [PDF]`_ .. _Schematic v1.0.0 [PDF]: ../_static/files/sch_at8870_v1.0.0.pdf Arduino ------------------------ * Install `LOLIN_I2C_MOTOR_Library`_ * `Arduino Examples`_ .. _LOLIN_I2C_MOTOR_Library: https://github.com/wemos/LOLIN_I2C_MOTOR_Library .. _Arduino Examples: https://github.com/wemos/LOLIN_I2C_MOTOR_Library/tree/master/examples