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Archive for the ‘Parallax Propeller’ Category

DEFCON 22 badge source code

Monday, August 11th, 2014

Parallax has released the zip file containing the SPIN source code for the Parallax Propeller based DEFCON 22 badge. As noted in a previous post, the links to the schematics are also available on the Parallax website.

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Posted in code, open source, Parallax Propeller | No Comments »

DEFCON badge update

Friday, August 8th, 2014

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 of eight LEDs for visual feedback, four button touch pads...

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Posted in code, conferences, News, Parallax Propeller | 1 Comment »

Parallax tutorial on Propeller C I2C library

Saturday, June 7th, 2014

Parallax has posted an updated tutorial on using the I2C library when programming using Propeller C. This example relies on Simple Libraries in the (5/14/2014) Learn folder or later. Check Parallax Propeller library updates to download the code.

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Posted in code, Parallax Propeller, tutorials | No Comments »

Propeller Halloween pumpkin project

Monday, October 28th, 2013

This project uses a Parallax Propeller Project board with microSD card attached, PIR sensor, LM386 Audio Amp, IRL520 FET and associated discrete components to make an animated Halloween prop. The PIR inside the pumpkin senses motion and when triggered it plays a WAV file from a microSD Card while flashing...

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Posted in Holiday, LEDs, Parallax Propeller | No Comments »

Simple Propeller GPS status display

Saturday, October 26th, 2013

If you've ever wanted to know how many GPS satellites are receivable at your location here's a good beginneer's Propller project that provides the answer. Its a GPS status display project Nick Ernst developed written in SPIN code and using a Propeller Mini Board, VPN11513 GPS Receiver, shift register and...

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Posted in code, LEDs, Parallax Propeller, sensors | 3 Comments »

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

Saturday, October 19th, 2013

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 one zip with info on this post in the Parallax...

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Posted in code, FPGA, Parallax Propeller | No Comments »

App note: Propeller communication with a PC app

Monday, October 14th, 2013

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 primary application code. In this example a deployed communications support...

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Posted in app notes, code, how-to, Parallax Propeller | No Comments »

Wearable LED heart simulator pendant

Monday, July 29th, 2013

Here's a cool heart simulation project by Addie over on @tymkrs: This wearable LED heart simulator pendant was inspired by my work as a cardiovascular surgical nurse as well as my love of electronics.  It simulates the electrical activity of 17 different rhythms and when paired with the heart backplane,...

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Posted in LEDs, Parallax Propeller | 3 Comments »

Videos: Propeller Con 2013

Monday, July 22nd, 2013

Attention Propellerheads! If you're looking for something to fill up a lazy Summer day, look no further than the videos from the 2013 Propeller Conference. This con took place in May at the Parallax headquarters in Rocklin, CA, and featured presentations on all things Propeller, including the impending Propeller 2....

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Posted in conferences, Parallax Propeller, Videos | No Comments »

SIDCog v1.3 produces C64 sound on Propeller

Friday, June 28th, 2013

Johannes Ahlebrand has released version 1.3 of SIDCog. This Spin language object emulates the famous sound chip in the Commodore 64 running in a single Propeller cog. The developer reports it's much closer to the 8580 than the 6581 when it comes to filter emulation and combined waveforms. Features include...

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Posted in code, Parallax Propeller, vintage | 1 Comment »

Propeller Mini

Thursday, June 20th, 2013

Parallax has introduced a smaller version of the Propeller P8X32A-M44 multi-core MCU dev board. Known as the Propeller Mini it has the same specs as the original Propeller board, but with 19 IO pins on a board measuring 20.5 X 38.6 mm. The board can be powered by 6.5 to...

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Posted in dev boards, Parallax Propeller | 2 Comments »

Parallax Propeller C learning system

Thursday, May 23rd, 2013

Parallax has revamped their tutorials for learning to program the Propeller in C. You can find a number of programming tips and examples as well as links to the SimpleIDE open source programming tool for use with Propeller C on the Learn.Parallax.C site. For more information on the SimpleIDE download...

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Posted in code, open source, Parallax Propeller, tutorials | 1 Comment »

Open source JTAGulator identifies OCD connections

Wednesday, May 8th, 2013

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. It interfaces with your computer via USB communicating through any...

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Posted in JTAG, open source, Parallax Propeller, tools | 2 Comments »

Mobile POV device uses Parallax Propeller

Saturday, April 27th, 2013

Here's a unique mobile POV device using the Parallax Propeller. Gareth (chiprobot) designed this gadget using the Propeller MCU driving eight UV LEDs, blasting UV light onto a phosphorescent sheet of vinyl. He says the coding utilizes the Propeller's built-in ROM character map, so code size is very small (i.e.,...

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Posted in gadget, LEDs, Parallax Propeller | 1 Comment »

Parallax Propeller discriminates Walsh-modulated IREDs

Sunday, April 7th, 2013

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, the IRED modulation occurs at 38 kHz, to which the...

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Posted in infrared, LEDs, Parallax Propeller, sensors | 2 Comments »

Milligram balance scale interfaced with Parallax Propeller

Tuesday, March 5th, 2013

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 Propeller can discover how much mass is on the balance...

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Posted in measurement, Parallax Propeller, Videos | 3 Comments »

2013 National microMedic contest

Thursday, February 21st, 2013

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 and sensors inventors and students will create medical applications and...

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Posted in contest, Development, Parallax Propeller | 1 Comment »

Corpsman Up vitals monitor using Propeller chip

Friday, February 1st, 2013

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 system consists of two units: a base which is equipped...

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Posted in code, Parallax Propeller, sensors, wireless | 2 Comments »

Hive retro computer

Sunday, January 20th, 2013

The crew from the German HIVE Project are developing a retro style DIY computer with Parallax Propeller chips. The design includes three Propeller chips (containing a total of 24 RISC processors), VGA graphics, video output, stereo sound, about 1 MB of RAM, SD Card reader, LAN, mouse and keyboard. The...

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Posted in DIY, open source, Parallax Propeller, vintage | 8 Comments »

Skittles sorting machine

Friday, January 11th, 2013

[embed]http://www.youtube.com/watch?feature=player_embedded&v=mvtLk4i6TmY#![/embed] Ever wanted to eat only the red colored skittles? Now you can, as Brian designed a Skittles sorting machine based around a Basic Stamp 2 board. The candy is one by one placed on a turn table which swings each one by a TCS3200-DB Color Sensor. Next up a...

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Posted in DIY, Parallax Propeller | 5 Comments »

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Recent Comments

  • KH: He had qualms about electrolytic cap leakage impacting sleep current. I think such leakage is very low and hard to measure using hobby equipment, so...
  • Mike: Love these! great source for makers!
  • KH: Is my eyes playing tricks on me or did he just use gobs and gobs of solder on the top side?
  • Doug: When do we find out the winner??
  • KH: Oh wowsers, you're right, now that I've looked at his page, horrors, another scary copper pour. That thing also needs a box... I hope nobody...