Tiny Amplifier With ATtiny
Small microcontrollers can pack quite a punch. With the right code optimizations and proper use of the available limited memory, even small microcontrollers can do things they were never intended to....
View ArticleAn ATtiny Metal Detector
A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki] shows us a...
View ArticleImplementing Qi Inductive Charging Yourself
Inductive charging is a technology that has promised a lot, but hasn’t quite delivered on the promise of never needing to plug in your phone again. The technology behind it is surprisingly simple...
View ArticleTelco Curio Hacked Into Simple Counter
The tikkenteller was a device used to measure the duration of telephone use. 70 Volts were sent down the telephone line at 50Hz to run an electromechanical counter, and the devices were often used in...
View ArticleOld Gas Meter gets Smart with the ESP8266
Measuring the usage of domestic utilities such as water, gas or electricity usually boils down to measuring a repetitive pulse signal with respect to time. To make things easy, most modern utility...
View ArticleElectronics And C++ Education With an ATTiny13
When [Adam, HA8KDA] is not busy with his PhD studies, he mentors a group of students interested in engineering. To teach them a wide range of topics, he set out to build a small and entertaining...
View ArticleDIY Fume Extractor with ATtiny13 Speed Control
Let’s be honest, commercially-available soldering fume extractors are cheap enough that you probably don’t need to build one yourself. But it still makes for a good starter project, especially if you...
View Article
More Pages to Explore .....