GPS Location Finder
The Global Positioning System (GPS), originally NAVSTAR GPS, is a satellite-based radionavigation system owned by the United States government and…
Insight Into ESP32 Sleep Modes and Their Power Consumption
There is no question that ESP32 is a worthy competitor to many WiFi/MCU SoCs out there, often beating it on…
Getting Date & Time From NTP Server With ESP8266 NodeMCU
Every once in a while you’ll come across an idea where keeping time a prime concern. For example, imagine a…
How nRF24L01+ Wireless Module Works and Interfaces with Arduino
Having two or more Arduino boards be able to communicate with each other wirelessly over a distance opens lots of…
Open Source Powered Prosthetic Leg
An accessible powered prosthetic — open-source and affordable. Simple, effective, assistive tech developed to accommodate continuous development. Brought to you…
Reachy is an expressive, open-source robot
Seems like everybody’s getting into the AI and robotics game — at least the companies and research institutions that can…
This 3D-printed infinity cube is easy to make, hard to resist
Infinity cubes and icosahedrons are things that have always caught my eye. They however always seemed quite hard to make,…
Voice Controlled Robot Car
Build you own voice-controlled robot car! Alexa analyzes your speech and sends data to a server which computes them. Then…
Motorizing A Plasma Cutter On The Cheap
A hand-held plasma cutter is an excellent tool to have if you are working with sheet metal, but it’s not…
Arduino MKR RFID Reader with TFT Display
It is very easy to create a nice looking RFID reader with TFT output for wall mounting with an Arduino…