Arduino AVR Development Board H-
Bridge Motor Control (RoHS Compliant)
The Arduino AVR Development Board with H-Bridge Motor Control is a high-performance, user-friendly solution designed specifically for driving and controlling DC motors, stepper motors, relays, and other inductive loads in Arduino-based projects. Fully compliant with the RoHS (Restriction of Hazardous Substances) directive (EU 2015/863), this board adheres to strict global environmental standards by restricting the use of harmful substances such as lead, cadmium, and mercury, making it suitable for commercial, industrial, and educational applications worldwide.
Built around the AVR microcontroller core, the board integrates a high-efficiency dual H-bridge driver (based on L298P chip), enabling independent control of speed and direction for up to two DC motors or one stepper motor. The H-bridge circuit, composed of four independently controlled switching components, eliminates the need for manual wire reversal to change motor rotation direction, simplifying project design and operation significantly. With a maximum current output of 2A per channel (4A peak with an external power supply), it can handle a wide range of motor sizes, from small hobby motors to medium-power industrial motors, while built-in flywheel diodes protect the circuit from voltage spikes generated by motor operation.
Designed for seamless compatibility with all standard Arduino boards, this development board features a plug-and-play interface that allows for quick integration without complex wiring. It supports PWM (Pulse Width Modulation) speed control, enabling precise adjustment of motor speed from 0 to 100% to meet the needs of different project scenarios—whether it’s a robotic arm, a mobile robot, or an automated control system. Additionally, the board includes current sensing functionality (1.65V/A) to monitor motor current absorption, providing real-time feedback for optimized performance and protection against overcurrent damage.
In terms of power supply, the board supports dual power inputs: an external power supply (7V to 12V recommended) for the motor driver and a logic power supply for the AVR microcontroller, ensuring stable operation even when driving high-current loads. A Vin Connect jumper allows for separation of the shield and Arduino power lines if higher motor voltages are required, preventing potential damage to the Arduino board. The board also features a compact, gold-plated PCB design for enhanced durability and signal stability, along with clear pin labels for easy wiring and troubleshooting.
As an open-source hardware solution, the board is supported by thousands of open-source codes and is compatible with Arduino IDE, making it accessible to both beginners and experienced developers alike. It is TinkerKit compatible, allowing for quick project assembly by plugging in TinkerKit modules, and supports I2C interface expansion for connecting additional sensors and actuators. Whether for educational purposes, DIY projects, or industrial automation, this RoHS-compliant H-bridge motor control board combines reliability, versatility, and environmental friendliness to bring your motor control projects to life.
Key Compliance & Technical Specifications:- RoHS Compliance: Fully meets RoHS 3.0 directive (EU 2015/863) and China RoHS 2.0 standards, no SVHC substances - Microcontroller Core: AVR (compatible with Arduino Uno bootloader) - H-Bridge Driver: L298P dual full-bridge driver - Motor Control: 2 DC motors (independent speed/direction) or 1 stepper motor- Maximum Current: 2A per channel, 4A peak (external power supply)- Power Supply: 7V-12V external power (motor), 5V logic power - Features: PWM speed control, current sensing, flywheel diode protection, Vin jumper separation - Compatibility: Standard Arduino boards, TinkerKit modules, gravity series sensors - Certification: CE, UKCA compliant (where applicable)
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MCU: ATmega8A, Frequency: 16MHZ
Input voltage range: 5.4V ~ 9V
Low dropout voltage: 250mV @ 500mA, 450mV @ 1A
Onboard high-performance dual 2A independent MOSFETH-bridge motor driver
An external PWM control signal
Bluetooth module interface (standard OtaniElectronics Bluetooth module) can be used with cell phones, computercommunications
Onboard USB to serial chip, compatible with Arduino.
MOSFET anti-reverse circuit
Abundant power, signal interface, IO port all leads.Facilitate the development .
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