DOITING 2-Way Motor & 16-Way Servo Expansion Board Motor Drive Board Development Board RC Robot Arm/Chassis Part DIY For Arduino

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Item specifics

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  • The 2-way motor 16-way servo drive board is a motor and servo drive module compatible with Arduino UNO and ESPduino. The module is designed with a plug-in board and can be directly connected to the Arduino UNO or ESPduino board. This product can control 2 DC motors (4.5 ~ 36V) and 16 servos (5 ~ 18V) at the same time, suitable for mobile robot drive control with robot arm.
  • The module adopts the excellent high-power motor dedicated full-bridge chip L293DD produced by STMicroelectronics. It can directly drive 2 DC motors or 1 stepping motor, and the driving current can reach 1.2A. The layout of the circuit diagram is reasonable, the package is packaged and the installation is very convenient. The module uses the IIC interface to control the 16-way servo.
  • The module uses the IO port of Arduino UNO and ESPDUINO as the control port, so it only occupies four ports of control board D6, D7, D8, D9 (D12, D13, D14, D15 for ESPDUINO), respectively as PWMB (motor B speed ), DIRB (motor B direction), PWMA (motor A speed), DIRA (motor A direction) function. The module adopts a user-friendly design scheme, and the power button switch allows the user to conveniently switch the power. This module can be directly used to control intelligent robots, using Bluetooth (reserved in-line interface) or wifi control, reference control UNO source see attachment

Product technical specifications:

  • power input:
  1. Motor power supply (VM): 4.5V ~ 36V, can be powered separately;
  2. Servo power supply (VIN): 5 ~ 18V, can be powered separately;
  • Single power supply use:
  1. Open circuit VM and VIN, (separately control the motor, 6 ~ 36V);
  2. Open circuit VS and VIN, separately control the servo (6 ~ 18V);
  3. Short-circuit VM and VIN while shorting VS and 5V. Simultaneous control of motor (6 ~ 18V) and 16 5V servo
  • Motor drive 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 ≤ 1.5V
  • Working temperature: -25 ° C ~ +125 ° C
  • Drive form: dual high power H-bridge drive
  • Module weight: about 46g



Shipping list:

  • 1pcs motor servo drive board


  • More documents can be downloaded at
  • Driver board is blue/green random delivery



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