Retired Product

This product has been retired from our catalog and is no longer for sale. This page is made available for those looking for datasheets and the simply curious.

Creative Commons images are CC BY-NC-SA 3.0

Description: Simple project board for 18 pin PICAXE controllers. Includes 8 channel Darlington driver for buffered outputs.

Note: Our latest shipment of these boards have an error. The error is remedied by soldering in a small jumper wire (or solder jumper) and only affects those needing to use the B.0 output. The new revision of this board will ship without this error. You can view the instructions here.


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Customer Comments

  • Can the Darlington driver switch 120v AC to cycle LED Christmas light strings on and off?

    • Definitely not ! But, you could drive the coils of up to 8 relays (or even 1 relay using all 8 outputs in parallel if the current draw is high enough) which, in turn, could switch the 120 VAC. The ULN2803 driver IC is an excellent relay driver, with built-in free-wheel diodes.

  • The latest board I received had two mounting holes. I found PCB corner mounts that work well with the other / older boards that don’t have mounting holes. Sparkfun would likely benefit from carrying these types of PCB mounts as well. I searched for “Corner / Edge - Screwmount Circuit Board Supports” and found them at www DOT futureelectronics DOT com/en/Technologies/Product.aspx?ProductID=TCEHCBS1001RICHCO5646682.

  • What is the green stuff on the back? Appears that I would have to scrape it off to solder on the crew terminals. Is that right?

  • I wish the PCB had 4 holes at the corners for mounting it.

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