Posts Tagged ‘Attiny85’

Phase-locked inverter

Wednesday, June 12th, 2019

Here's a great write-up on building a phase-locked inverter from  The input is at 50Hz and the output is at 60Hz. So for every 5 input cycles, we want to generate 6 output cycles. We will be synthesizing a sine wave in software, and there's no reason not to...

Posted in DIY | No Comments »

Tiny thermocouple thermometer

Thursday, May 16th, 2019

Johnson Davies built a tiny thermocouple thermometer based on an ATtiny85 measuring boiling water: This project describes a thermocouple thermometer, capable of measuring temperatures up to +1350°C, using just an ATtiny85 and an OLED display. More details on Technoblogy.

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Posted in AVR, measurement | No Comments »

Attiny85 pogo backpack programmer

Monday, May 14th, 2018

Facelesstech published a new build: So you are using a bare attiny85 in your next project but don’t have room for the programming header, What do you do? I came up with the idea of using pogo pins layed out on A PCB so that they will sit on top...

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Posted in Arduino, AVR | No Comments »

Attiny wearable

Monday, April 30th, 2018

Attiny wearable project from Facelesstech: It’s a foundation for a wearable platform. It’s a Nato watch strap threaded through a PCB with a coin cell battery holder between the PCB and the strap. I’m using a Attiny85 this time around but could be used for most chips/dev boards. This is...

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Posted in AVR, DIY | 3 Comments »

Attiny85 backpack programmer header

Monday, March 19th, 2018

Facelesstech published a new build: So when I was into using just a atmega328 dip chip I make a programmer header for it that also had a crystal and the capacitors need to make it function. I wanted to do the same for the attiny85. As you know you have...

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Posted in AVR | No Comments »

Lightronome 1 – The light based metronome

Monday, February 19th, 2018

Zoltán Gomori documented his lightronome build: I got a request, to design and build an electronic metronome. You can find several on the market, but the problem it is ether producing voice or the classical mechanical metronome. The requirement here was a visual effect. To be precise four LEDs for 4/4 beat....

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Posted in DIY, LEDs | No Comments »

PS2-TTLserial adapter for RC2014 and MIDI

Monday, October 30th, 2017

Dr. Scott M. Baker published a new build: The original reason for this project is that I wanted to build a standalone RC2014 with keyboard and display. There is an official RC2014 serial keyboard, but I find it a little inconvenient for my big fingers and poor eyesight. I have...

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Posted in AVR, hacks | No Comments »

How to develope for the ATtiny85 without becoming insane

Thursday, May 7th, 2015

Lembke writes: I like the ATtiny85. It is small, comes in a solder friendly DIP 8 case, has 8k Flash + 512 Bytes Ram, 5 to 6 IO pins at 8 MHz with no external parts. But developement is a pain: no serial (ok, it is possible but needs ports)...

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Posted in Arduino, | 10 Comments »

Make an ATTiny85 programmer and development board

Wednesday, April 22nd, 2015

  Larry blogged about his DIY AVR ATTiny85  programmer and development board: Starting from upper left is the 6-pin AVR programming header. I chose it because it has +5 and GND as well as the programming signals and can power the board. Next a red LED to show power to the board....

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Posted in AVR, DIY | 1 Comment »

Arduino decision box BE (Attiny85)

Tuesday, March 17th, 2015

nqtronix wrote this instructable detailing the build of his Arduino Decision 'Box' BE (Breadboard edition): Pleace notice: This project neither contains a box nor any Arduino* code. I stuck with this name because this project is a modifictaion of Victor8o5's "Arduino decision box 2.0 (Attiny85)" posted three days ago. I liked the...

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Posted in Arduino, hacks | 1 Comment »

PWM Based LED Driver

Monday, December 22nd, 2014

A followup to the constant current driver for a high power LED post, Elmars writes: If anybody is interesed, I have posed a follow up to this original post with a simple PWM LED driver, adding an ATtiny85 mCU. The post includes schematic, board layout and code for the ATtiny85. I...

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Posted in LEDs | 12 Comments »

The Nanite 85

Wednesday, August 6th, 2014

cpldcpu  writes: Recently, Olimex anncounced the Olimexino 85s, claimed to be the “World’s smallest Arduino ever“. Now, that looks like a challenge. I guess it is about time to show off what has been on my desk since some time last year: The Nanite, pictured below. I designed this board...

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Posted in Arduino, hacks | 9 Comments »

Electric Imp – Weather display

Monday, August 4th, 2014

Wardy posted his simple weather forecast display: Found a much better use for the 2049 board - a simple, cheap weather forecast display... This picture shows an Electric Imp device delivering a 4x4 pixel image to the 2049 board from a server on the west coast of the USA... The 4x4...

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Posted in DIY | No Comments »

ATTiny85 breakout board

Monday, June 30th, 2014

Shady994 shared his first PCB an ATTiny85 breakout board in the project log forum: I (badly!) soldered up my first PCB, an ATTiny85 programming/breakout board. It also has a header so I can connect it to my Bus Pirate, which I've been using as a programmer.

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Posted in project logs | No Comments »

DIY fingerprint scanning garage door opener

Monday, June 23rd, 2014

Nodcah made this Instructables detailing the build of his DIY fingerprint scanning garage door opener: As a person without a car, I don't need to carry keys around everywhere I go. Because of this, I've been locked out of my own house several times. It's a pain to wait for someone with a...

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Posted in DIY | 3 Comments »

ATtiny85 POV display

Tuesday, June 10th, 2014

Vishalapr made this Instructables detailing the build of his DIY POV Display based on ATtiny85: The first time I saw a POV (Persistence Of Vision) display was on a show called FAQ on TV. The POV display consisted of an oscillating shaft with 6 LED's mounted on the end of the shaft. Since then I...

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Posted in DIY, POV Toy | 2 Comments »

A simple posture sensor

Thursday, April 24th, 2014

Here's a simple cure for your posture and the back pain blues, a posture sensor by Wingman: The simplest distance sensors are ultrasonic or infrared sensors. I went with a SR-HC04 because it is cheap and sufficiently precise. There are no special requirements to the controller so I am using an Attiny85. A...

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Posted in hacks, sensors | 10 Comments »

Hack your Valentine with HeartThrob

Friday, February 14th, 2014

A geek love by Boris Landoni: Hack your Valentine with HeartThrob Today we present the perfect Valentine gadget: just shake it and it will turn on and crate incredible light animations. That will be cool for sure! We know that, as it’s Valentine’s Day, looking at the device described in this...

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Posted in gadget, Holiday | No Comments »

DIY servo tester based on ATTiny85

Wednesday, June 19th, 2013

Trandi made this simple  DIY Servo tester based on ATTiny85: I had to test a RC speed controller that I wanted to use to control an electric car window motor, and for the 100th time I was facing the same dilemma: find 8 batteries for my remote control, dismount the RX...

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Posted in DIY | No Comments »

Stepper motor bluetooth serial driver (Attiny85 & L293D)

Thursday, April 18th, 2013

Trandi blogged about his Stepper motor bluetooth serial driver project: How to put together a simple bluetooth driver for a nice little stepper motor (Mitsumi M35SP-11HPK) that I salvaged from an old Canon printer. It uses a small Attiny85 (the more I use them the more I love them !...

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Posted in Arduino, hacks | 2 Comments »

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Recent Comments

  • readybrek: Anyone got a any recommendations for a budget-priced hot air station?
  • William: lol I'm happy to waste 3c for each program/debug cycle... but probably not the time spent soldering a new device down to a proto board!...
  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...