Tags » Atmel

Expanding the NeoPixel Project

Playing with some animations of the single LEDs strip of my NeoPixel board was nice but the thoughts soon come to mind: “It would look better if there were more strips”, “…if there were more strips, how could they be coordinated”, to “Could I still use the ATiny1614?”. 1,442 more words


Test Driving Arduino

I gave a workshop for the Columbus Arduino and Raspberry Pi Enthusiasts (CARPE) Tuesday night. We had a great time and I thought it would be a good idea to share the experience and my motivation creating the workshop here. 1,424 more words


The Atmel's Universal Serial Interface (USI) sucks for I2C

Quick Intro to I2C

Along with USART and SPI, I2C is definitely the most common interface used by a microcontroller to communicate with peripherals. In order to implement an I2C bus all you need is two open-collector collector pins, one for the SCL (clock) line and one for the SDA (data) line.  1,017 more words


LED ring

Jens Hauke designed this charlieplexed 20 LED blinker controlled by an ATTiny45 for the Hackaday Coin Cell Challenge:

LED Ring

This is a small blinky with 20 LEDs powered by one CR2032 coin cell…

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ATtiny Chip Abused in RFID Application

One of Atmel’s smallest microcontrollers, the ATtiny, is among the most inexpensive and reliable chips around for small applications. It’s also one of the most popular. 208 more words


µGame by Radomir Dopieralski

Radomir Dopieralski has created handheld game console programmable with (Micro/Circuit)Python:


A small game console directly programmable in Python. I always wanted to make this, and after my work on…

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Teensy Script Plays Nintendo Switch, Strikes Out

The most recent of the Zelda franchise, Breath of the Wild, is known for its many, many puzzles.  One of the more frustrating ones involved bowling with a giant snowball at the top of a hillside.  72 more words