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“Hello everyone! Today I am going to show you how to make a very cool LED keychain. To do this, we are going to use an ATtiny to make the LEDs blink and fade. This is going to help us …

“This is the home of the KeebCard project. Originally designed as a business card, people loved it so much I decided to release a version of it as open-source (TODO: add a license). The KeebCard is centered around an SSD1306 …

“TinyCharger is an ATtiny25/45/85-based, single-cell Li-ion battery charger with selectable charging current limit (100mA - 1000mA) and an OLED display for monitoring. Hardware Power Connectors The device is equipped with a Micro-USB and a USB-C connector for …

“A cute PCB alpaca with a rainbow tail and glowing cheeks. I’ve recently heard of the Micronucleus bootloader for the ATtiny85 and I wanted to try it out, so I designed this quick alpaca ATtiny85 dev board, which can …

“Have you ever served pie and had kids complain that someone else got a slightly bigger piece? Or maybe you want to create a cool 7-sided polygon from a boring round cake. Well now there is a way to scientifically …

“This instructable describes some techniques used in an ATTiny project. The project was to produce a simple macro remote control with a few buttons each of which can issue a series of IR remote controls to a variety of devices …

“Board straps to bicycle spokes, lights up when you start moving! Story Riding a bicycle at night can be dangerous. Having lights on your bike can help, even better if they come on automatically! Supplies: PCB - KiCAD project available on …

“Let’s make a Face Mask with LEDs! This DIY LED lights face mask displays some animations and responds to your voice with effects. You can have a mask that reacts to the sound using the sound sensor, or you …

“This Project is the starting of a big project which control a big process in low cost. I choose raspberry pi and its my first project in pi. I already work with i/o controllers for my official project, and …

“The Attiny85 does not support specific hardware for SPI and I2C comunications as on ATmega series, instead there is a hardware module called UNIVERSAL SERIAL INTERFACE (USI) that can be only configured to perform SPI or I2C. In this small …