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This dc motor speed controller with digital display can handle up to a massive 40A continuous whether it be a 12V or 24V motor. Great for that electric bike or big robotics project! 4 digit display board for quick setup and monitoring of speed.

Important Note For Kit Buyers:
This product is supplied in component form and requires soldering, drilling, and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.


  • Design incorporates PIC micro and efficient MOSFET’s
  • Excellent speed regulation under load
  • Soft start
  • 8 memory settings
  • Battery level meter
  • Low battery alarm
  • Variable pulse width modulation
  • 12-24V DC input

Why buy an Altronics Kit?
Altronics kits are premium do-it-yourself projects designed to be assembled with ease. However, basic electronics knowledge and soldering skills are essential to construct our kits. A difficulty rating is provided to help determine if your ability is sufficient to build the kit project. Please note, once assembly has been commenced we are unable to honor any warranty claims. Please see the full details here.

Information & Downloads

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.