ITEM NAME:Esp12e Motor Shield l293d esp8266 Module Drive Expansion Board XPZ 1x Best Descriptio n Description: Precautions: When inserting an ESP-12E module, pay attention to the direction of the antenna and the direction of the expansion board. With the shorting module, the control board and the motor can be.Drive Form: Dual High Power H-Bridge Drive. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Maximum Power Dissipation: 4W (T=90Â °C). We'd like to settle any problem in a friendly manner.