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Propeller C3 from Parallax

The C3 is a true Credit-Cardsized Computer that augments the Propeller chip with a number of onboard peripherals to facilitate large scale and complex applications.

Designed in cooperation with Nurve Networks LLC and Andr LaMothe, the Propeller C3 is the newest Propeller-based application platform from Parallax. Ready to support a wide array of peripherals, this system is ideal for industrial control, monitoring systems, high-level languages, robotics, gaming, and more.

The C3 was designed to be compatible with other Propeller-based development boards such as the Propeller Demo Board and the HYDRA, so porting applications is a snap. Additionally, the C3 uses a novel SPI bus design that allows all the onboard peripherals to be accessed with a single SPI bus (3 signals) along with chip-select logic (2 signals) that supports up to 8 devices in total. Thus, the IO impact of all the onboard peripherals is minimal.

The Propeller C3 Board is available in two packages alone as the (#32209) Propeller C3 Board and in the Propeller C3 Full Kit (#32205)


  • Multicore Propeller P8X32A-Q44 with 5.00 MHz socketed crystal to upgrade for over-clocking experiments
  • 64 KB Propeller boot EEPROM holds boot image plus 32 KB extra for data
  • Supports USB or external wall adapter power sources
  • Dual high-current 1.5 A, 3.3/5 V voltage regulators with heavy filtering
  • VGA port with multiplexing logic to reuse IOs
  • RCA Video/Audio ports for NTSC/PAL composite video PS/2 port for keyboard or mouse
  • 1 MB SPI FLASH memory
  • 2-channel Microchip MCP3202 SPI A/D converter with 12-bit resolution
  • (2) Microchip 32K x 8 bit SPI SRAMs
  • MicroSD card w/SPI interface
  • 2 x 16 headers exporting generous IO and system signals
  • (4) 3-wire servo port headers to directly drive servos from the Propeller
  • Ultra-compact credit-cardsized PCB footprint: 3 x 2.175 in (75.9 x 55.2 mm)
  • (4) Break-away mounting tabs, removable if not needed
  • Open source hardware & software design Slick black and white industrial design sure to be the envy of all your friends.


  • Power requirements: 7.512 VDC, 300+ mA 2.1mm center-positive supply; OR power via high-power USB, hub port preferred
  • Communication/Interface: USB, GPIO, microSD card
  • Dimensions (without tabs): 3.0 x 2.175 (75.9 x 55.2 mm)
  • Operating temp range: -40 to +185 F (-40 to +85 C)

Caution: Do Not connect to USB and external power at the same time.

Quick Facts
Brand's Part Number:32209
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Propeller C3

Sku: 4555

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Sku: 4555    In Stock

SALE! Regular Price: $129.99
Now: $90.99

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The content on this page was updated on 02/07/2016