ATTiny85 ATTiny45 and ATTiny13 based projects list

  1. ATmega Alarm Clock & Thermometer Humidity meter
    First, let me introduce you my project. I made an Alarm clock with extended functionality & thermometer and humiditymeter. Everything started when my friend (who used to bring me some…
  2. wozItDo: Tiny IQ puzzel, BIG challenge
    Hardware components: Atmel ATTiny85 × 1 LED (generic) × 3 Resistor 221 ohm Or similar, I used 220 ohm × 3 SparkFun Pushbutton switch 12mm or similar × 1 Coin…
  3. The Tinusaur Project
    About The Tinusaur What is it Briefly, the Tinusaur is a minimal micro-controller hardware configuration based on Atmel AVR ATtiny family of products and more specifically those with DIP-8 case…
  4. ATtiny85 and SSD1306 wearable display
    How to make wearable display - OLED SSD1306 display run by ATtiny85 Step by step tutorial, with no steps to skip. The main goal of this tutorial is to show…
  5. Door/Window alarm circuit
    Door or Window alarm circuit have been used widely in many homes to detect intrusion. A simple search in internet might fetch you lot of alarms for you to buy.…
  6. Adding ADC to Microcontrollers without ADC
    I recently had the need to carefully measure a voltage with a microcontroller which lacks an analog-to-digital converter (ADC), and I hacked together a quick and dirty method to do…
  7. Atmel AVR ISP Microcontroller Programmer Project
    One of the frustrating part in learning AVR microcontroller for the beginners is the AVR microcontroller programmer. The question is how to program my AVR mircrocontroller; actually if you googling…
  8. Controlling DC motor with AVR ATtiny13 PWM and ADC Project
    It’s interesting to explore what we can do with this tiny 8 pins; 8-bit microcontroller. The ATtiny13 is the smallest and cheapest Atmel AVR 8-bit microcontroller families but yet, it’s…
  9. Attiny85 As a Step/Dir Stepper Motor Controller
    Somewhere in Greece, someone did something never done before... Seen those things before? Thing: 1 Thing: 2 Thing: 3 Oh, you have! You bought one of them you say? Oh...…
  10. Custom PCB for Lights, Temperature, Video OSD and VTX PSU upgrades to HKing Rattler RC Car
    I’ve had the HobbyKing Rattler for some time now and I’ve been making small modifications here and there which have accumulated over time and has gotten to the point where…
  11. AVR ATtiny USB Tutorial Part 2
    This is the second part of my USB tutorial for ATtiny2313 and V-USB library. In the first part we learned how to get 3.3V from USB to power our circuits.…
  12. AVR HVSP Fuse Resetter
    description in working w/ 8 or 14 pin avr devices, i would sometimes want to use the RESET pin as io as the io pin count is low. but doing…
  13. Attiny85 EMF detector
    This is a simple tutorial to create an EMF detector. You can use Arduino for this job, but is better use a microcontroller called Attiny85. It is possible program it…
  14. Attiny45 EMF Sensor
    This sensor is very sensitive and can pick up electrical signals from anything that uses power. It displays the amount of interference it picks up by sequentially lighting 4 led's…
  15. DIY Apple Clock
    The ATtiny24, 44, 84 series only has 1 external interrupt (INT0) [Page 48 of the datasheet]. This is the interrupt that we are most familiar with using on the Arduino.…
  16. Tic-Tac TV Remote Jammer
    Pretty simple. Have a look at this picture above. The usual TV remote sends a pulsed IR signal which has some instruction encoded in it, like increase or lower the…
  17. Externally clocking (and overclocking) AVR MCUs
    People familiar with AVR boards such as Arduinos likely know most AVR MCUs can be clocked from an external crystal connected to 2 of the pins.  When the AVR does…
  18. How to make a USB Li-Ion charger
    Li-ion cells become more and more popular due to their capacity and reasonable prices. In this entry I will show how to build a simple li-ion battery charger based on…
  19. How to fix dead atmega and attiny avr chips
    Atmega fusebit doctor, as name says it, device for repairing dead Atmega and Attiny family AVRs by writing fabric fusebits. Most common mistakes or problems are a wrong clock source…
  20. Atmega Alarmclock & Thermohumidity meter
    First, let me introduce you my project. I made an Alarm clock with extended functionality & thermometer and humiditymeter. Everything started when my friend (who used to bring me some…
  21. LED thermometer
    his project shows the temperature on a three digit 7-segment display, it measures the temperature from -9.5 to 99 degrees Celcius in 0.5 C steps, or from 0 to 210…
  22. Stepper motor driver
    With this circuit you can drive a unipolar stepper motor. It operates in full step mode. The AVR attiny2313 micro controller controls the pulses for the stepper motor. The pulses…
  23. Temperature indicator
    This project uses a Dallas DS1621 temperature sensor which indicates the temparature of the device. The temperature sensor has an thermal alarm output, which becomes high when the temperature of…
  24. Running LED's using ATTiny2313
    This running LED or LED chaser is a good project for beginners in the microcontroller technology. It is easy to build, and the assembler program code can be easily adapted. This…
  25. Running LED's
    This small project let you make running leds. For this project you need a attiny2313 microcontroller and 8 leds and 8 resistors. The leds can be programmed so that they…