Tag Archives: FRDM-K22F

tinyK22 Board Rev 1.3 released

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The tinyK22 board is a tiny micro controller board we use at the Lucerne University of Applied Sciences and Arts. It is used in many research project, used in lectures and labs and used in most student projects. Because there was no small and breadboard friendly NXP Kinetis board with a debug interface available, we developed one featuring the NXP K22FN512, named the ‘tinyK22‘. Because of the success and high demand we stated a new large production run and used this to upgrade the board to the new Rev 1.3: you might notice already the color change :-).

tinyK22

tinyK22

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Tutorial: FreeRTOS with NXP Kinetis SDK V2.0 and Processor Expert

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In “Tutorial: Blinky with NXP Kinetis SDK V2.0 and Processor Expert” I used Processor Expert components with the NXP Kinetis SDK to blink some LEDs. This tutorial extends the earlier project and adds FreeRTOS.

FreeRTOS running on a NXP FRDM-K22F Board

FreeRTOS running on a NXP FRDM-K22F Board

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Tutorial: Blinky with NXP Kinetis SDK V2.0 and Processor Expert

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In “Mother of Components: Processor Expert with NXP Kinetis SDK V2.0 Projects” I presented an approach how to use Processor Expert components with the NXP Kinetis SDK. This article is a tutorial how to create a blinking LED project with that approach, using McuOnEclipse Processor Expert components and the Kinetis SDK V2.0. As board the FRDM-K22F is used:

Blinky on a FRDM-K22F with SDK V2.0 and Processor Expert

Blinky on a FRDM-K22F with SDK V2.0 and Processor Expert

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Mother of Components: Processor Expert with NXP Kinetis SDK V2.0 Projects

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Unfortunately, now the NXP Kinetis SDK V2.0 does not include Processor Expert support (see “First NXP Kinetis SDK Release: SDK V2.0 with Online On-Demand Package Builder“). But at the Lucerne University we are using more than 150 different custom Processor Expert components we would like to use with that new SDK. So how to make them working with the Kinetis SDK V2.0? Using a Processor Expert as “the mother of all components”:

NXP Kinetis SDK V2.0 and Processor Expert Side-by-Side under Eclipse

NXP Kinetis SDK V2.0 and Processor Expert Side-by-Side under Eclipse

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Kinetis Drone: Remote Controller with SUMD

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The bad news: my ESC (see “Kinetis Drone: Graupner ESC S3055 Failure“) for my Kinetis drone is still not repaired :-(. Anyway, I have plenty of other things to make for my drone project. One is to work on the remote controller:

Test Setup

Test Setup

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Kinetis Drone: Sensor Fusion Toolbox

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Flying a quadrocopter without some sensor and microcontroller intelligence will be a challenge. Definitely I will need some intelligent sensor data to help me out :-). Luckily, there is a Freescale ‘Sensor Fusion Toolbox’ and Library which gives me a nice start and visibility into the sensors I plan to use:

Sensor Fusion Data

Sensor Fusion Data

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Added Micro SD Card Socket to FRDM-K22F

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Probably for cost reasons, the Freescale FRDM-K22F does not come with the micro SD card socket populated on the the board:

freescale-frdm-k22f-board with no SD card socket

Freescale FRDM-K22F Board with no SD card socket

With a little soldering skills it is possible to populate the socket so the board can be used with a file system on it :-):

Using SD card with FRDM-K22F Board

Using SD card with FRDM-K22F Board

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Kinetis Drone: Driving the Electronic Speed Controllers

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In “Kinetis Drone: Frame Construction with Graupner Race Copter Alpha 250 Q” I have assembled the frame for my Kinetis Drone. In this post I’m going to drive the ESC’s (Electronic Speed Controllers) with the Freescale FRDM-K22F board:

Graupner S3055 ESC

Graupner S3055 ESC (Source: Graupner)

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USB with the Freescale FRDM-K22F Board

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The FRDM-K22F is one of the latest members of the Freedom board families: 512 KByte Flash, 128 KB RAM and the usual Freedom board components on it. Unfortunately, Freescale decided not to populate the micro-SD card connector on the board, so from this perspective the FRDM-K64F is more value for the money. But the board has USB, so this makes it still interesting. And this is what this post is about: Adding USB to the FRDM-K22F board in a few minutes…

Freescale FRDM-K22F Board

Freescale FRDM-K22F Board

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