Atmel
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The high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 8KB ISP flash memory, 512B EEPROM, 512-Byte SRAM, 6 general purpose I/O lines, 32 general purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high speed timer/counter, USI, internal and external Interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software selectable power saving modes, and debugWIRE for on-chip debugging. The device achieves a throughput of 20 MIPS at 20 MHz and operates between 2.7-5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

DIY Fidget LED Display
Intermediate
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Full instructions

Fidget spinners, the simple spinning toy that came out of nowhere. I thought it'd be cool give it some flare and make it a POV display.

Scrumtato: Make Daily Stand-Ups Agile Again
Intermediate
  • 816
  • 10

Scrumtato is an ATtiny85-based gadget to keep overly passionate developers from excessively talking during daily stand-up meetings.

VästtraPi: A Personal Bus Stop for Västtrafik Buses
Intermediate
  • 475
  • 4

Your own departures screen for Västtrafik buses from Gothenburg, Sweden. Get travel information instantly, like being at a real bus stop!

Doorbell battery warning
Intermediate
  • 26
  • 0

Work in progress

This hack monitors the doorbell battery voltage. It makes a tick when it's time to recharge or replace the batteries.

ATtiny85 EMF Detector
Intermediate
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Full instructions

This is a simple tutorial to create an EMF detector using an ATtiny85 microcontroller.

Temperature Controlled Fan With LED Status
Intermediate
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  • 6

Simple fan controller with single LED temperature status light using an ATtiny85 microcontroller and DS18B20 temperature sensor.

Supercapacitor Powered LED Jewelry
Advanced
  • 105
  • 1

Work in progress

Earrings, necklaces and pendants made with supercapacitor-powered LEDs.

Programming ATtiny85 with Arduino Uno
Easy
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Full instructions

Step by step on how to program a ATtiny85 microcontroller with Arduino Uno development board.

SSD1306xLED Tinusaur ATtiny85 Library for SSD1306
Intermediate
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  • 12

Full instructions

SSD1306xLED is a C library for working with the SSD1306 display driver to control dot matrix OLED/PLED 128x64 displays.

Snap Circuits® - Snapduino SCR Motor
Easy
  • 74
  • 3

Full instructions

Learn how to control an analog motor using an SCR from the Snapduino.

The Annoy-O-Bug: A Chirping Light-Up Throwie
Easy
  • 7,423
  • 26

Full instructions

Stick this little electronic device practically anywhere and watch your friends go crazy as it beeps and blinks. They won't find it!

Snap Circuits® - Snapduino Solar
Easy
  • 81
  • 3

Full instructions

Run your Snapduino from a solar panel.

Persistence Of Vision
Easy
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  • 35

Full instructions

Persistence of vision is an optical illusion, it works on a simple phenomenon how our day to day television works.

Blinking and Singing Snowman Ornament
Easy
  • 548
  • 8

Full instructions

Laser-cut snowman ornament that blinks and plays music with a custom-made PCB for easy assembly.

ATtiny85 for Simple Projects: Arduino Basics
Easy
  • 4,450
  • 26

Protip

Don't cannibalize old projects for their brains! Give them immortality with this inexpensive chip – here's how.

A Christmas tree, PCB ornament!
Intermediate
  • 363
  • 7

No more getting troubled on what Christmas gifts to get! These personalized PCB ornaments will leave everybody satisfied & inspired to hack!

Snap Circuits® - Snapduino PNP Motor
Easy
  • 29
  • 2

Full instructions

Learn how to control an analog motor using an PNP transistor from the Snapduino.

ATtiny @ 16MHz
Easy
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Protip

Easily run your ATtiny at 16MHz, without an external clock, from the Arduino IDE.

IR Controller for Air Conditioner
Intermediate
  • 16,055
  • 12

Work in progress

Control your AC from across the room or across the world

Snap Circuits® - Snapduino NPN Motor
Easy
  • 35
  • 2

Protip

Learn how to control an analog motor using an NPN transistor from the Snapduino.

ATtiny85-powered programmable intervalometer for Canon DSLR
  • 2,343
  • 17

Full instructions

Some Canon DSLRs don't have a built-in intervalometer. Simple solution - make one yourself!

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