7 to 70V PWM DC Motor Speed Controller 30A With Onboard Stop and Brake Switch Adjustable Potentiometer 12 Kilohertz Frequency Perfect For Robotics DIY Projects

High-Current 7-70V PWM DC Motor Controller for DIY robotics
✔️ 30A max, 7-70V input, 12kHz PWM, onboard stop/brake switch, single unit

This DC brush motor speed controller is designed for hobby robotics and automation, delivering smooth speed control for brushed DC motors across a broad voltage range. It’s ideal for DIY robots, CNC setups, and automated test rigs. The adjustable potentiometer cable can be separated and runs about 15 cm for flexible mounting.

✅ Wide voltage range 7-70V for various motors
✅ Max drive current 30A to handle demanding loads
✅ 12kHz PWM minimizes noise and vibration
✅ On-board stop and brake switch enables quick halts
✅ Adjustable duty cycle from 1% to 100% for precise control
✅ Aluminum housing protects internals for long-term durability

💡 What is a DC motor speed controller used for in hobby robotics? This handy device lets you dial in speed and torque for smooth motion. - precise speed control for brushed DC motors - handles 7-70V input and up to 30A continuous current - handy for robotics, automation, and DIY projects