ESP8266 WiFi NodeMcu Shield (only Shield without NodeMcu)

product manual :
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Based on the ESP-12E development kit, you can easily develop WiFi smart cars and send Android mobile phone resources for free.
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feature:
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l ESP12 development board development board expansion module;
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All function pins: SPI, UART, GPIO, AI and 3.3V power connector;
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l extended bidirectional motor drive, two-way direct drive motor;
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l car power switch;
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l Motor power range: 4.5V ~ 36V;
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l control power range: 4.5V ~ 9V;
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l Motor power, control power separation; In the experiment, VIN and VM were short-circuited by powering off the short circuit and powering the motor and control board.
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Precautions
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When inserting the ESP-12E module, pay attention to the direction of the expansion board antenna;
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l Use a short module that controls both the circuit board and the motor.