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Digital Level With Cross-Line Laser

“Hi everyone, today I’m going to show you how to make a digital level with optional integrated cross-line laser. About a year ago I created a digital multi-tool. While that tool does feature a lot of different modes, for …

DIY Multifunction Energy Meter V2.0

“In this Instructable, I will show you how to make a Wemos ( ESP8266 ) based Multifunction Energy Meter. This little Meter is a very useful device that monitors voltage, current, power, energy, and capacity. Apart from these it also monitors the …

Greek Vocabulary Reviewer

“Greek language vocabulary reviewer via an interactive panel game with arcade pushbuttons, LCD screens, LEDs and more. This project involves creating an interactive panel game with Arduino components to help review Greek vocabulary in a fun way that feels similar …

Honda Motorcycle Dash

“This is my attempt to build an information display / dashboard replacement (or additon) for modern Honda motorcycles. It connects to the bike via its diagnostic port and reads information directly from the ECU It also contains a GPS module and …

How I tracked +500 people with ESP8266

“This is how I made a custom device to legally track people via their smartphones Before getting into detail, this project was done legally within the legal limits, so please if you’re going to build like this then use …

Project  LED Tower

LED Tower

“Made a LED tower with 180 LEDs and used Pro Micro in order to control them in sequence. So I was browsing Thingiverse for LEDs Jigs and found this great JIG designed by Mohit Bhote https://www.thingiverse.com/thing …

Li-ion LifePo4 1S to 4S BMS Charger Tester with Arduino Uno

“This is a BMS charger that would be as universal as possible for testing Li-ion or LifePo4 cells. Story It can be strange to study a BMS in regard of the overall choice available on the market for quite a …

Parking Assist Stoplight

“Park in your garage with perfect consistency! No more hitting the garage door or workbench! I am finally able to park in a garage, which takes some getting used to. I like to have as much space as possible to …

Pulse Generator

“When you need pulses of any sort, long, short and with variable frequency you can use one or two 555 timers. That works, is easy to set up and is cheap. But it also limited to a certain range in …

Reverse-engineering the first FPGA chip, the XC2064

“A Field-Programmable Gate Array (FPGA) can implement arbitrary digital logic, anything from a microprocessor to a video generator or crypto miner. An FPGA consists of many logic blocks, each typically consisting of a flip flop and a logic function, along …