Content for ATtiny85

10-bit PWM from the ATtiny85

“The ATtiny85 microcontroller has two 8-bit timers. Using them can be controlled dimming of LEDs. 8 bit is not enough if you want to have a brightness change adapted to the human eye. Gamma correction causes visible jumps in brightness …

ATtiny Programmer Board (ArduinoUNO As ISP)

“ATtiny13/ATtiny13a/ATtiny25/ATtiny45/ATtiny85 I really like the ATtiny and programming it, so I built a simple board to use Arduino UNO as ISP in a faster way. With the original Arduino UNO, there is a little variant because …

The FitByte: How to Make an ATtiny85 Powered Activity Tracking Wearable

“In this project, we’ll build a protoype of a wearable fitness device designed to vibrate when it detects stagnation. This device is low-cost and can help keep you on the move. I love data, especially when you can use …

Not Just an Hour Timer

“IntroductionI was in need of an Hour timer that could be started and stopped with a press of a button. When I got to building and coding it I thought that I could do more than a simple hour timer …

Remote Control Bluetooth Light Switch

“This will be the first project in a series entitled: “Optimised Laziness: Over Engineered Solutions to Remarkably Trivial Problems” Ever been lying in bed late at night reading or watching Netflix on your laptop? The worst part is of course …

Project  IOToilet

IOToilet

“The IOToilet is the first smart toilet paper holder, that keeps track of our daily usage of toilet paper and allows accumulating stats showing these metrics. And why should I care about my daily usage of toilet paper you may …

Continuity Tester

“This article describes a simple continuity tester, based on an ATtiny85 and a piezo buzzer, designed for checking circuit wiring, or tracing out the tracks on a PCB: It has a low threshold resistance of 50Ω to avoid false positives …

IoT Water Alarm

“I have recently experienced kitchen drain backup. Had I not been at home at the time, it would have caused floor and drywall damage in my apartment. Fortunately, I was aware of the problem and ready to scoop the water …

ATtiny85 And Shift Registers

“I decided I wanted to play with shift registers, and the classic circuit for that is running a bunch more LED’s from a chip than the chip has pins, so I decided on an 8 pin ATtiny85 running 16 …

Four-Channel Thermometer on OLED display

“This article describes a four-channel thermometer that monitors the temperature at four temperature sensors, and gives a continuous readout on a small 128x32 OLED display: It could be used in any application where you want to monitor multiple temperatures, such …