2pcs PWM Low Voltage Motor Speed Controller DC 1.8V 3V 5V 6V 12V 2A 1803BK 1803B Adjustable Driver Switch with Speed Control Knob
✔️ 2x NE555 PWM controllers, 1.8-12V input, 2A max, knob switch
These compact PWM speed controllers are ideal for hobby robotics, small fans, aquarium pumps, and other low-voltage DC motors. Each package contains two controllers and two knobs, making it easy to run two motors or have a spare unit on hand. Note: Use DC power only within 1.8-12V and do not exceed 15V; this device has a 2A fuse and is designed for up to 2A continuous current per channel.
✅ Input voltage: 1.8-12V DC✅ Max continuous output current: 2A
✅ Max output power: 30W
✅ Duty cycle range: 0-100%
✅ Chip: NE555 based PWM controller
✅ Includes 2× speed control knobs
✅ Self-recovery fuse for protection
✅ Pack of 2 controllers (2× units)
✅ Size: approx. 32x32x14 mm
💡 What is a PWM speed controller used for in small DC motor projects? This handy device lets you dial speed precisely while protecting the motor and power supply. - It adjusts the duty cycle to control average voltage reaching the motor - Works with DC inputs from 1.8 to 12 V and up to 2 A - Includes a speed control knob with built-in switch and auto-recovery fuse - Handy for hobby motors, small fans, and pumps in DIY projects