Parallax
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Parallax designs and manufacturers microcontroller development tools and small single-board computers that are used by electronic engineers, educational institutions, and hobbyists. Parallax's product line consists of BASIC Stamp microcontrollers and development software, SX chips and programmer/debuggers, project boards, sensors, educational tools, robotics kits, accessories, and the Propeller chip.
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Parallax Propeller Proto Board USB
Parallax's Propeller Proto Board USB features a USB
programming interface, a P8X32A-Q44 Propeller chip, 64KB EEPROM for
program and data storage, as well as LM 1086 5V and 3.3V regulators
that provide up to 1.5 Amps with an input power supply of 6-9 VDC. The
product includes a removable 5MHz crystal, access to all 32 I/O pins,
and a large prototyping area. This Parallax board operates at a temperature range
of -40°C to +85°C and is ideal for applications requiring a USB interface.
Parallax 32-Bit Propeller Multicore Microcontrollers
Parallax's Propeller multicore microcontrollers are 32-bit and programmed in both high-level (Spin™) and low-level (assembly) language. Power requirement is 3.3 volts DC, external clock speed is DC to 80MHz, internal RC oscillator is 12MHz or 20KHz, and system clock speed is DC to 80MHz.