Introduction
This is the first motor shield for ESP8266 based on ESP-12E. It is very convenientand cheap to diy a WiFi RC smart car. In our shop, we also develop a WiFi smartcar, which can be controlled by mobile, PC, and wechat (now just in China).
Feature
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Name: ESP-12E motor shield
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Using ESP-12 DEV KIT development shield module
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Extend the output ports for ESP-12 DEVKIT: SPI, UART, GPIO, AI and 3.3V power interface
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Extend 2-ways motor, then can directly drive 2-ways motor
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Design a power switch
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Driven chip: L293D
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Voltage for motor: 4.5V-36V
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Voltage for ESP control board: 4.5V-9V
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Disparate the power of ESP board andmotor for avoiding the interference. In our experiments, for convenience, a shortcut module is used to connect VIN and VM for the power of ESP board andmotor.
