Motor shield for an ESP8266 NodeMCU module. In this case, the NodeMCU is pressed onto the shield. With L293D motor driver for controlling 2 DC motors on so-called smart cars. There are header pins for all UART/SPI and GPIO pins of the ESP8266. See the last image for all connections. Motor voltage: 4.5VDC-36VDC. Board voltage: 4.5V-9V For more information, see: https://smartarduino.gitbooks.io/user-mannual-for-esp-12e-motor-shield/content/interface.html
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