Posts Tagged ‘Atmega32u4’

Ultrasonic audio transmitter and receiver system

Saturday, March 10th, 2018

An ultrasonic audio transmitter receiver system from Vinod S. Hi all, this is another mad project.  Aim of the project is to transmit laptop audio via ultrasound to few meters and then receive it and demodulate it and playback the audio on a speaker. See the full post on his blog....

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Posted in AVR | No Comments »

Cherry MX keypad

Monday, June 6th, 2016

Dan Watson documented on his blog an open source Arduino-compatible Cherry MX keypad he designed using the ATmega32U4 microcontroller: The board that I designed includes four Cherry MX keys. I used MX Blues, but it is also compatible with other types such as Brown and Red. It's simply a matter...

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Posted in Arduino, open source | 2 Comments »

MIDI controller – Tannin 2

Wednesday, June 1st, 2016

Shantea has a nice build log about the DIY MIDI controller he built: For second revision of Tannin controller, I decided to use PCBs crafted specifically for Tannin 2, instead of using OpenDeck reference board. This proved to be a very challenging task, as I literally had to do everything...

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Posted in DIY | No Comments »

A Silverlink clone to rescue pre-USB calculators

Monday, May 12th, 2014

Geekboy1011 over at the Cemetech forum has been working on a Silverlink clone software for the Arduino Leonardo (ATmega32U4) microcontroller development board: Texas Instruments' Silverlink is a product to connect calculators without USB ports (namely everything except the TI-84 Plus series and the TI-89 Titanium) to computers' USB ports to transfer files, screenshots, and...

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Posted in Arduino | No Comments »

Nomech mini, a 4×4 capacitive touch button grid

Monday, July 15th, 2013

Kasbah posted an update on his Nomech mini project we covered we previously: So after some wrangling with the code I got the charging and discharging of the sampling capacitor working.  CH1 is the slope pin which is used for discharging the sample capacitor (and then measuring the time it...

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Posted in project logs | No Comments »

Nomech mini, a 4×4 capacitive touch button grid

Wednesday, June 12th, 2013

Kasbah posted his Nomech mini project, a 4x4 projected capactive touch board using Atmega32u4 and back-fire LEDs for each button in the project log forum: It fits SoB 100x80mm but the top acrylic will sit right on top of the PCB as the dielectric properties of whatever is touching the...

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Posted in project logs | No Comments »

SNES FLASH/ROM runs custom Super Nintendo code

Saturday, June 16th, 2012

dext0rb from The Electrified Fooling Machine Company has just finished work on a project which allows custom Super Nintendo code to run on an SNES FLASH/ROM. He writes, "I wanted to make and play an updated version of NBA JAM an SNES hardware, so I made this device. Load a...

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Posted in Development, hacks, open source | 1 Comment »

ATmega32u4 breakout board+

Friday, February 17th, 2012

Here's a small breakout board for the ATmega32U4. A power supply, decoupling caps, button, USB jack, and an AVR programing header are populated on the board. As an added feature an open source bootloader that works with AVRDUDE is pre-programed. We like the AVR 8-bit family and were excited to...

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Posted in AVR | 2 Comments »

Introducing the Microtouch

Wednesday, February 2nd, 2011

The Microtouch is a lightweight AVR based open source touch screen device powered by the Atmega32u4. It features a 320x240 pixel touchscreen, an accelerometer, full speed USB, a micro-SD card reader and support for a lithium ion battery. It is supported by an application framework of sorts and it is...

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Posted in AVR, dev boards | 2 Comments »

Recent Comments

  • readybrek: Anyone got a any recommendations for a budget-priced hot air station?
  • William: lol I'm happy to waste 3c for each program/debug cycle... but probably not the time spent soldering a new device down to a proto board!...
  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...