Parallax BS1-IC

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$64.95 ea

563 ship on Mar. 27

  • Jameco Part no.: 127693
  • Manufacturer: Parallax
  • Manufacturer no.: BS1-IC
  • NCNR (Non-Cancelable, Non-Returnable)
  • HTS code: 8543909500
  • Web Exclusive

BASIC Stamp 1 Microcontroller Module

It's astonishing what you can accomplish with this well-proven microcontroller and its simple PBASIC 1 language. All vital components (processor, clock source, memory, power regulator) are provided on the BS1's tiny PCB; just connect power and go! The BASIC Stamp 1 (BS1-IC) is an ideal fit for applications that don't require the speed, I/O, and memory of the BASIC Stamp 2 series of microcontrollers. Projects needing small, permanent soldering area for circuitry may benefit from combining the BS1-IC with the BASIC Stamp 1 Carrier Board (#27110) or simply using the BASIC Stamp 1 Project Board (#27112). For lower-cost OEM solutions, the processor (PBASIC1 interpreter) and other components are available for integration into your PCB. However, due to the fact that modules cost less than $20 in large quantities, it's a strong candidate for high volume applications.

For customers that require a more powerful microcontroller, we highly recommend the BASIC Stamp 2 series controllers; if true multi-processing is what is needed for your project or applications, then the Propeller microcontroller is going to be the best option.


  • Small form factor fits into tight places
  • Nonvolatile memory holds up to 80 instructions even without power
  • Processor Speed: 4 MHz
  • Program Execution Speed: ~2,000 instructions/sec.
  • RAM Size: 16 Bytes (2 I/O, 14 Variable)
  • EEPROM (Program) Size: 256 Bytes ~80 instructions
  • Number of I/O Pins: 8
  • Current Draw @ 5 VDC: 1mA Run, 25 µA Sleep
  • Source/Sink Current per I/O: 20 mA / 25 mA
  • Source/Sink Current per unit: 40 mA / 50 mA
  • PBASIC Commands = 32
  • Package: 14-pin SIP
  • Industrial-Rated


  • Power Requirements: 5.5 to 15 VDC (Vin), or 5 VDC (Vdd)
  • Communication: Serial for programming
  • Dimensions: 1.41 x 0.40 x 0.15 in (35.8 x 10.2 x 3.81 mm)
  • Operating Temperature: -40 to +185°F (-40 to +85°C)

Note: BASIC Stamp 1 programming requires a BASIC Stamp 1 Serial Adapter (#27111).

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