Media Devices

FREETRONICS LEOSTICK USB DRIVER

January 26, at 2: Found it really useful — especially the soldering advice. This PCB is v1. Unfortunately this is not an Arduino sketch, it’s not running from an Arduino-style bootloader, so for this sort of thing you need to overwrite the Arduino bootloader on your board with the new code, and re-flash the bootloader when you’re done to restore normal Arduino-compatible functionality. The LeoStick which is modified for 3. A reset button is provided as well.

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Power can also be fed through the pins directly if necessary. Polyfuse protection and diode protection is available.

LeoStick upload program error

To modify the LeoStick for 3. However, for beginners, this board is slightly less friendly to work with as there is no direct plug-in compatibility with shields and the soldering of the pins can be slightly challenging especially to those without fine-tipped irons and a steady hand.

Proudly powered by WordPress. You also get the board, as well as another anti-static shielding bag with two compact 2. Click for more about me! This uses a LeoStick as a development tool for a quick test of some code I’m developing, prior to actually developing the custom board for this project.

leosticck Reverse Eng Pt 2: Preparation — Soldering the Headers If you wish to use this for re-usable prototyping, you will probably be interested in soldering the provided headers to the board. The product comes packaged in a static-shielding bag, with a stapled colour cardboard hanger top and a colour label on the front.

Power source and piezo disable can be enacted by cutting traces. You do not have the required permissions to view the files attached to this post.

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If you wish to use this for re-usable prototyping, you will probably be interested in soldering the provided headers to the board.

This entry was posted keostick Electronics and tagged arduinoaudioelectronicsprojectreviewvideo. The integrated piezo can be disabled by cutting a trace, but the tri-colour LED needs to be desoldered, or the resistor pack desoldered to disable it.

No other hardware is needed except the SD card socket, LeoStick, 3. To be fair, Freetronics have used their own VID and PID combination, hence they require a separate driver package to be installed under Windows to make it work. As part of it, they were to develop the FPGA coding required to play music notated in a simple 4-bit tone and 4-bit duration packed into 1-byte format. freegronics

I have modified leostjck code and got something that compiles with bytes of RAM used, but I have not got this successfully working yet actually mounting the disk. The LeoStick which is modified for 3. In the package, you get a colour double-sided page with instructions for getting started, downloading drivers and IDE software and specifications of the board. Edit the makefile, specify your microcontroller choice atmega32u4, or whatever and clock frequency appropriately, and set the AVR programmer type you’re using eg.

Found it really useful — especially the soldering advice.

If using a LeoStick you’ll need to choose one of the ones that is exposed on the headers, and not used by, say, the internal LeoStick LEDs.

Due to the size of the arrays, they needed to be stored with progmem into the flash, as there is not enough RAM for variables to hold it in RAM.

LeoStick Mass Storage Device – Freetronics Forum

VIN is 5V coming in out of your computer’s USB port, so this is the regulator input, then a ground on one of the ground pins, and the output of the ub goes to the LeoStick pin labelled “5V”. A reset button is provided as well.

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To make this lab work, we needed to get some music, and I spent some time transcribing some music from MIDI files using an editor into the byte-oriented binary format. An enclosed surface mount piezo speaker is provided on the back, with its enclosed nature being sensible as it can generate spike voltages on physical fretronics.

This PCB is v1.

Freetronics Forum

Unfortunately this is not an Arduino sketch, it’s not running from an Arduino-style bootloader, so for this sort of thing you need to overwrite the Arduino bootloader on your board with the new code, and re-flash the bootloader when you’re done to restore normal Arduino-compatible functionality.

The only slightly annoying factor is having to unplug the SD card wires from the ISP port on the LeoStick before programming, because they’re only accessible at this point, not also on the main headers. Just this week, I was gifted a Freetronics LeoStick from a colleague at the university, so I decided to take a look at it over the weekend.

There is no on-board voltage regulators, as is the case for miniaturized versions of the Arduino, so you must supply only 5v to this board.