Parallax SX28 Proto Board


10.95 USD
$10.95 ea.

Parallax's SX28 Proto Board provides a low-cost, high quality, solution for using the surface mount SX28 easily.

Description [Hide]

Notice: Parallax announces the End-of-Life for the SX series of Microcontroller. We will be halting production of this item when our inventories deplete. Sorry!

SX Line Production End of Life (EOL)
The Parallax SX microcontroller line has reached production EOL. The owner of the SX design ( has given Parallax final notice that we are to place a lifetime buy of wafers. We recognize this announcement will be difficult for customers who have designed the SX into their products. We share your disappointment.

Need a way to play with the Parallax SX28? The SX28 is a nice, tidy solution to using the surface mount SX28 easily. It offers a heckovalot more speed than the BS2SX, but it requires a bit more effort to use.

It Features:

  • Surface-mount SX28
  • LM2940 voltage regulator - input power supply of 6-9 VDC provides up to 1 Amp
  • SX-Key programming port with TTL oscillator mechanical interlock prevents both from being used at the same (which damages the SX-Key and TTL oscillator)
  • Three-position power switch (off, logic power, power to logic and servo ports)
  • Clock configurations supported with additional components sold by Parallax: TTL oscillator (DIP-8 package); ceramic resonator (SIP3 package); Crystal (HC/49 package)
  • Smart prototype holes for servo headers, DIP and SOIC8 components

Note: This product requires the SX-Key Programming Tool

As it uses a regular solder-on perfboard for prototyping, you might want to attach a small breadboard to the prototyping surface for less-than-permanent experiments!

For full details on these blazingly fast microcontrollers, visit the manufacturer's page at Parallax!

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