Category Archives: Parallax Propeller

DEFCON badge update

Parallax has announced the details on the DEFCON 22 badge. “The badge is based around the Propeller P8X32A 32-bit Multicore Microcontroller. The circuit consists of a Propeller (microcontroller, EEPROM, clock), an infrared LED and receiver for badge-to-badge communication, a bank … Read more

Propeller II: Emulation of the P2 on DE0-NANO & DE2-115 FPGA boards

The Propeller 2 is Parallax’s next gen release of the popular Propeller multi-core MCU. The Parallax Forum has a thread discussing emulation of the P2 on DE0-NANO & DE2-115 FPGA boards. The latest code (FPGA, pnut.exe, documents) are all in … Read more

App note: Propeller communication with a PC app

Abstract: Many embedded applications share information with external devices, and the preferred connection between devices is asynchronous serial communications. The multicore architecture of the P8X32A enables the designer to create and deploy device-to-device communications strategies with no impact on the … Read more

Open source JTAGulator identifies OCD connections

Famed hardware hacker Joe Grand has released his latest open source project, the JTAGulator. This tool assists hardware hackers in identifying on-chip debugging (OCD) and/or programming connections from test points, vias, or component pads on a target piece of hardware. … Read more

Parallax Propeller discriminates Walsh-modulated IREDs

Parallax Propeller guru Phil Pilgrim has posted this IR sensor/discriminator project on the Parallax Propeller forums. “Almost everyone here is aware of the advantages of modulated IREDs for rejection of background IR fluctuations and line-frequency noise from artificial lighting. Typically, … Read more

Milligram balance scale interfaced with Parallax Propeller

Ben Krasnow developed this dispensing system that can measure out a desired mass of material via a dispensing valve controlled by a Parallax Propeller. He already had an American Weigh Scales miniPro-100, and decided to hack it so that the … Read more

2013 National microMedic contest

The U.S. Army Telemedicine and Advanced Technology Research Center (TATRC), Carnegie Mellon Entertainment Technology Center, and Parallax Inc. are sponsoring the 2013 National microMedic contest. Now YOU have the opportunity to help others through your medical application invention! Using microcontrollers … Read more

Corpsman Up vitals monitor using Propeller chip

Here’s a project for remote monitoring of heart rate (and potentially other medical/sensor info) using Propeller chips and XBee modules. Nick Ernst has published his plans and code for the Corpsman Up Vitals Monitoring System on the Parallax website. The … Read more