RC Micro Brushed Motor 1A Bidirectional ESC Speed Controller

RC Micro Brushed Motor 1A Bidirectional ESC Speed Controller is a compact and lightweight motor driver module designed specifically for low-power micro RC applications and DIY robotics. This electronic speed controller delivers smooth bidirectional control for small brushed DC motors, allowing your models to move forward and reverse with precise speed adjustments. Consequently, it serves as an ideal driver solution for micro RC cars, boats, tank tracks, and custom actuators. Furthermore, its ultra-small footprint enables easy integration into space-constrained projects where standard ESCs cannot fit. Therefore, you can effortlessly upgrade small toys and custom micro vehicles to full proportional RC control without adding significant weight or complexity.

Key Features:

• Bidirectional Control: Provides full forward, reverse, and proportional speed regulation for small brushed coreless and iron-core motors.
• Ultra-Micro Form Factor: Features an extremely lightweight and compact design, making it perfect for indoor micro-models and miniaturized robotics.
• Wide Input Voltage: Compatible with single-cell LiPo batteries as well as standard 5V power rails to suit various power configurations.
• PPM Signal Compatibility: Accepts standard receiver PWM/PPM servo signals for direct connection to standard RC receivers.
• High Efficiency: Utilizes low-resistance MOSFET switching to minimize heat generation and prolong battery life during operation.

Technical Specifications:

• Motor Compatibility: Small Brushed DC Motors (Coreless / Iron-Core)
• Continuous Current: 1 A
• Peak Current: 1.5 A
• Operating Voltage: 3.5 V to 6.0 V DC (1S LiPo or 5V rail)
• Control Signal: Standard PWM Servo Signal (1000 μs – 2000 μs)
• Center Neutral Point: 1500 μs ±50 μs
• PWM Frequency: ≈ 1 kHz

Mechanical Specifications:

• Board Material: Double-sided FR4 PCB
• Mounting Method: Inline wire soldering / Direct receiver integration
• Connector Type: Pre-tinned solder pads / Flying lead wires
• Thermal Management: Air-cooled ambient operation

Dimensions:

• Length: ≈ 12 mm
• Width: ≈ 8.5 mm
• Thickness: ≈ 3 mm
• Weight: ≈ 0.5 g (without wires)

Pinout and Wiring:

• VCC / Power (+): Positive power supply input (3.5V to 6V DC).
• GND / Power (-): Common ground input for power supply and signal reference.
• Signal (PWM): PPM/PWM control signal line from the RC receiver throttle/steering channel.
• M+ / Motor Output: Connects to the positive terminal of the micro brushed motor.
• M- / Motor Output: Connects to the negative terminal of the micro brushed motor.
• Note: However, double-check input polarity before powering up, as reversed voltage will permanently damage the controller onboard MOSFETs.

Datasheet Reference:

• Download Driver IC Reference Datasheet

Commonly Used in:

• 1/72 and 1/87 Micro RC Vehicles: Retrofitting tiny scale model cars and trucks with proportional forward/reverse drive.
• Micro RC Boats & Submarines: Controlling small propellor motors in miniature aquatic scale builds.
• Custom Servo Conversions: Converting standard micro servo gearing and coreless motors into continuous rotation winches or actuators.

Applications:

• Differential Steering Drives: Driving two separate tracks on micro RC tanks or dual-motor indoor robotics.
• Linear Actuator Control: Regulating small coreless motors powering micro leadscrews or slide mechanism setups.
• DIY Robotics: Interfacing micro brushed motors directly with microcontroller PWM pins on Arduino or ESP32 boards.

Equivalent Models:

• 1A 2S Bidirectional Brushed ESC: A similar dual-cell variant designed for higher operating voltages up to 8.4V.
• 2A Micro Brushed ESC: A slightly larger micro ESC supplying higher continuous current for bigger coreless motors.
• MX SELECT Micro 1S Brushed ESC: A specialized plug-and-play micro ESC with pre-attached Micro JST connectors.

Package Includes:

• 1 x RC Micro Brushed Motor 1A Bidirectional ESC Speed Controller Module