ATtiny85 Tiny OLED Watch
https://www.electronics-lab.com/attiny85-tiny-oled-watch/
An ATtiny85 and a 64×48 OLED display hand clock: This is the third in my series of minimalist watches based on the ATtiny85. This version displays the time by drawing an analogue watch face on a miniature 64×48 OLED display. It uses a separate crystal-controlled low-power RTC chip to keep time to within a few […]
Temperature Controlled Fan With LED Status
https://www.electronics-lab.com/temperature-controlled-fan-led-status/
This is a simple fan controller with single LED temperature status light using an ATtiny85 microcontroller and DS18B20 temperature sensor. The fan is turned on/off based on temperature sensed and the controller goes in sleep mode when the temperature drop below a predefined threshold. Simple ATtiny85 fan controller to turn a fan on/off based on […]
10 or 12-bit DAC from the ATtiny85
https://www.electronics-lab.com/10-12-bit-dac-attiny85/
David Johnson-Davies @ technoblogy.com writes: This article describes how to get up to two 10 or 12-bit digital-to-analogue outputs from an 8-bit Timer/Counter, such as in the ATtiny85. To test the routine I built a circuit which allows you to vary the brightness of two LEDs with two potentiometers: 10 or 12-bit DAC from the […]
Tinusaur, $3 ATtiny85 Microcontroller Board And Assembly Kit
https://www.electronics-lab.com/tinusaur-3-attiny85-microcontroller-board-assembly-kit/
Tinusaur is an Atmel ATtiny85 microcontroller board that comes in parts, as a kit, so you can solder it yourself and then program it. This small microcontroller board can run Arduino and its goal is to have a simple, cheap and quick-start platform for everyone interested in learning and creating things. Tinusaur comes as an […]
Tiny LED Time Watch
https://www.electronics-lab.com/tiny-led-time-watch/
David Johnson-Davies designed a minimalist ATtiny85-based watch using 12 LEDs, arranged like a clock face, to show the time in analogue-style. He writes: To show the time you press the button on the watch face, and the time is then displayed for four seconds. It lights one LED to show the hour, and flashes another […]
DIY Spectrum Analyser
https://www.electronics-lab.com/diy-spectrum-analyser/
Alan X has been working on a spectrum analyser project that can show the spectrum visually! He started working with ATTiny85 and kept on updating the project over time. Alan X used Goertzel’s algorithm with a Hamming window, this algorithm can be used to detect a frequency from sampled data. Here is the preliminary code […]
Recover Bricked ATtiny Using Arduino as high voltage programmer
https://www.electronics-lab.com/recover-bricked-attiny-using-arduino-as-high-voltage-programmer/
Hi! Today I’ll explain you how to recover your bricked ATtiny microcontroller using your Arduino board. ATtinys are very popular due to their small form factor yet very powerful. While working with them you may accidentally brick the ATtiny. As arduino is extremely popular and really easy to use, I guess you have one or […]
ATtiny85 Light Sensor – I2C slave device
https://www.electronics-lab.com/attiny85-light-sensor-i2c-slave-device/
Paweł Spychalski build a photoresistor based daylight meter sensor connected via I2C bus using ATtiny85: I love AVR ATtinyx5 series microcontrollers. They are cheap, easy to use, they can be programmed just like Arduinos and comparing to their size they offer great features. For example, they can be used as remote analog to digital converters […]
Neopixel Night Light using ATtiny85
https://www.electronics-lab.com/neopixel-night-light-using-attiny85/
joshua.brooks @ instructables.com describes how he build a night light using an Adafruit NeoPixel, ATtiny85 microcontroller, TSSP4038 IR receiver and some other easy available components. I’m giving some workshops in electronics in a few weeks, centered around an inexpensive, but useful real-world project. When trying to come up with a thing to make, I wanted it […]
Wireless digital scale
https://www.electronics-lab.com/wireless-digital-scale/
This is a wireless digital scale using ATTiny85 microcontroller and HM-10 Bluetooth low energy transmitter/receiver: This scale is wireless. It may be useful where you can’t operate a normal scale, due to the weather outside, or if you don’t want to scare birds or other creatures away. With this scale you can weigh them. In […]