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Tutorial: Using the FRDM-KL25Z as Low Power Board
The FRDM-KL25Z is a great board: inexpensive (around US$15), small form factor, has easily accessible pins, and has a low power (capable, at least) microcontroller, and comes with an embedded debugging...
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Using the FRDM-KL25Z with CMSIS-DAP to program non-Freescale ARM...
Freescale might not have thought about this: how to use Freescale boards and silicon to develop for non-Freescale silicon? I tinkered around using the FRDM (e.g. FRDM-KL25Z) board as a general purpose...
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First Set of nRF24L01+ Wireless Sensor Nodes with FRDM-KL25Z
If you were wondering why I am pushing the FRDM-KL25Z boards hard to the micro-amps, then have a look at this: The five boards are the first set of prototypes with a FRDM-KL25Z for a battery operated...
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Review: ThunderBench with the Freescale FRDM Board and Processor Expert
For the Eclipse and Processor Expert lovers of this world: there is another Eclipse based IDE you can use: ThunderBench made by Emprog: They support a range of ARM based devices, including the...
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Tutorial: Replacing IAR EW with Eclipse IDE
Are you using IAR tools and you are jealous looking at what others can accomplish with Eclipse? You wish you could use your IAR build tools but taking advantage of Eclipse too? I do not want to start a...
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RNet: A Simple Open Source Radio Network Stack
I was searching the internet for an open source network stack for my nRF24L01+ transceivers. But these stacks were either too heavy or had a restrictive or not really non-open source license behind it....
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Sumo Robot Battle Tips
The INTRO course is progressing fast, with a lot of information passed on how to build a successful mini Sumo robot based on the Freescale FRDM-KL25Z and a modified Pololu Zumo chassis. The PID control...
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IEEE802.15.4 for the Zumo Robot
For the INTRO Zumo robot I have three wireless options: Bluetooth, nRF24L01+ and IEEE802.15.4 with the Freescale MC1320x transceiver. For the nRF24L01+ I have developed a simple radio network stack...
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Sumo Robot with Accelerometer Remote Controller
Usually, there are two flavors of Sumo robot competition: Autonomous: no communication to the robot permitted after the start. Remote-controlled: there is a wireless remote controller driving the...
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Kinetis Unique Identification Register
For my RNet stack I need a way to identify nodes in the network using a unique address. What I need is Media-Access (MAC) address. Base on such a unique address I can assign short addresses (e.g. with...
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Sumo Robots, Sensors and everything else….
The semester is approaching its end, and students are making great progress: with added infrared and ultrasonic sensors, the robots are able to detect the other robot (more or less ). Additionally the...
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Sumo Robots, one Week until Tournament
There is one week left until all the Sumo robots of the Infotronic course at the Lucerne University of Applied Sciences and Arts will enter a tournament. The robots have to pass a simple tests before...
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Zumo Robot Last Tuning Tips
Tomorrow will the STD (Sumo Tournament Day)! Here are a few last tips and tricks to be prepared for that Sumo Tournament using the Pololu Zumo Robot chassis: Battery Inertia If two robots crash into...
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Sumo Robot Portraits
If you are familiar with battle games, then typically there is portrait of the machinery you can use. Or if you have every watched ‘competitive’ sports, then every player can have an opportunity to...
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New P&E OpenSDA Firmware v114
Good news for everyone having Windows 8.1: P&E has released Dec 11th 2013 a new FRDM board firmware which solves the bootloader issue found with Windows 8.1. The new firmware can download from...
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INTRO Mini Sumo Tournament 2013: Lots of Fun!
It was Friday the 13th, and it was Sumo Battle Day :-). After 3 months of tinkering, hacking and creatively improving the Mini Sumo Bots, finally the the course tournament took place . Get Ready With...
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RNet: optional ACK, Dynamic Payload and Extended nRF24L0+ Driver
Time to write an update about the RNet Wireless Stack. The stack has been successfully used for the Sumo Robots as wireless controller. In the last week, there has been a lot smaller and larger...
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DIY Free Toolchain for Kinetis: Part 7 – GNU ARM Eclipse Plugins
Tired by the tool chains provided by your silicon vendor? Do you want to use a free and open tool chain? Then you probably followed by “DIY Free Toolchain” series already. In “DIY Free Toolchain for...
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Character LCD with 4 Lines and up to 64 Characters per Line
Character based LCD displays are great: they are inexpensive, and it is rather simple to use them compared to graphical displays. Yes, they only can display text and custom symbols, but this is usually...
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FRDM with Arduino Ethernet Shield R3, Part 1: SD Card
Sometimes it takes a very long time to realize a project. Adding the Arduino Ethernet Shield R3 to one of my Freescale FRDM boards is one of it: it took me a year until I have found a few days …...
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