Prop Plug for Propeller and Basic Stamp (USB-to-Serial)

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Prop Plug for Propeller and Basic Stamp (USB-to-Serial)

The Prop Plug provides a USB-to-serial port connection for microcontroller programming and communication. This tiny device is capable of asynchronous communication at up to 3 M baud with both 3.3V and 5V devices such as the Propeller and BASIC Stamp. The Prop Plug slips onto a 4-pin, 0.1" spaced header, allowing both PCBs and breadboards to provide in-circuit programming capability. Use the Prop Clip if programming with fewer components via a PCB edge connector is desired.


  • USB to serial port conversion
  • Capable of asynchronous communication up to 3 M baud
  • Compatible with 3.3 and 5 V microcontrollers (Propeller or BASIC Stamp)
  • Connects to a 4-pin, 0.1" spaced header


  • Voltage requirements: 5 VDC (supplied by USB port)
  • Current requirements: ~15mA (typical)
  • Communication: asynchronous serial @ up to 3Mbps
  • Dimensions: 1.27 x 0.51 x 0.31 in (32.25 x 12.85 x 7.75 mm)
  • Operating temp range: -40 to +185 °F (-40 to +85 °C)
NOTE: You will need a USB-A to micro-B cable to connect the Prop Plug to your computer (like P/N: 2135064 or similar).

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