ESP8266 Development Board L293D Shield ESP-12E NodeMCU WiFi Motor Drive Expansion Board IOT For Smart RC Robot Chassis

Features ESP12 DEV KIT development board expansion module Leads all function pins of ESP12 DEV KIT SPI UART GPIO AI and 3 3V power interface Expand two way motor drive to directly drive two motors Onboard power switch L293DMotor power supply range 4 5V 36V Control power supply range 4 5V 9V Motor power supply and control power supply are separated In the experiment VIN and VM can be short circuited by short circuit block combination and the motor and control board can be supplied with power specifications Motor power supply VM 4 5V 36V can be powered separately Control power supply VIN 4 5V 9V 10VMAX can be powered separately The module provides short circuit short circuit VM and VIN which can conveniently use one power supply must be 4 5V 9V to complete the drive and control of the motor at the same time Logical operating current Iss ≤ 60mA Vi L ≤ 22mA Vi H Driving part operating current Io ≤ 1 2A Maximum power dissipation 4W T 90°C Control signal input level high level 2 3V ≤ VIH ≤ VIN low level 0 3V ≤ VIL ≤ 1 5VWorking temperature 25 ° C 125 ° CDrive form dual high power H bridge driveESP12E Dev Kit control port D1 D3 A motor D2 D4 B motor Module weight about 20gNote 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 powered sim