The new Parallax HB-25 Motor Controller is our single best solution for DC motor control. This module is dependable and highly-compatible with BASIC Stamp microcontrollers.

The HB-25 Motor Controller has the following specifications:

• Motor Size: 0.5 HP Max - No Minimum
• Motor Supply: 6.0vdc min - 16.0vdc max
• Logic Supply: N/A - Internal Regulator
• Load Current: 25A Continuous 35A Surge (13.8v)
• Standby Current: 50ma@6v 80ma@13.8v (fan on)
• PWM Frequency: 9.2 KHz
• Pulse Input: 1.0ms Full Reverse, 1.5ms Neutral (off), 2.0ms Full Forward
• Pulse Refresh Rate: N/A - Single Pulse Operation
• Modes: Single/Dual Motor Control
• Protection Circuits: Over Voltage, Over Current, Over Temp.
• Fault Reset: Automatic
• Indicators: Power (green), Fault (red)
• Fuse: Mini ATC Standard
• Cooling: Forced Air - Ball Bearing Fan
• Terminals: Screw Post with 35A Rating
• Weight: 2.5oz (71 grams)
• Size: 1.6"x1.6"x1.9"
• Mounting: 2ea 6-32 screws on .800" centers
• Included: (1) 25 A Fuse

This product has additional special features:

• Single pulse required to set motor speed.
• A single BASIC Stamp port can control two HB 25s
• On-board fuse and full rating terminal lugs
• Works with any size motor up to 1/2 HP
• Contains both H-Bridge and Controller
• Connector allows you to daisy chain two HB-25s

Downloads:
HB-25 Motor Controller Documentation v1.2 (.pdf)
HB-25 Motor Controller Code v1.1 (.zip)