A photoresistor can sense the subtle changes in light intensity caused by your blood to detect your heartbeat!
Using the legacy of brilliant mathematicians, this robot solve the cube in 18 seconds or less.
My young children were not tall enough to pull the chains on the ceiling fan, to turn on the fan & light. Alexa, turn on the 'Boys Light'.
Replacement for broken mechanical timer of a washing machine with electronic timer.
Scan the leaves of a plant with an Arduino Nano 33 BLE Sense and train a model to detect if it's diseased.
Interface a CMOS camera with a ZYNQ-7000 series FPGA SoC and output live video feed to a VGA screen.
This is the first post in a new mini-series, where we build a home surveillance system, mainly using Raspberry Pis.
Find the location of a device, using multiple DWM1000-ESP8266 pairs, and an FPGA.
Exploring the signals behind Arduino's Servo library, and characterizing a servo's response to pulse width.
Application notes for Pmod CMPS2 and Arduino Uno. The 3 components of the magnetic field, module, & angle are displayed in serial monitor
How to build an humidity and temperature meter with time display from an old voltage meter casing.
I wasn't happy with the way the square waves sound, so I explored using other methods of generating sound waves with Arduino.
An Arduino-based clock project.
A discussion about digital sound synthesis.
It's a Morse code receiver base on processing the light signals.
Hardware platform combined with DeepLib, an easy to use but yet powerful DeepStream based Python Library, and a web IDE
Jenny 5 is a fully open-source robot. It has a mobile platform, a flexible leg, two arms with 7 degrees of freedom each and a head.
GRUN UVBOT is an autonomous UV robot that can prevent spread of infectious diseases and can be used as part of regular cleaning process.
A barn door astrophotography mount made with no special tools.
Touchless door handle mechanism that can be used in every door just replacing the standard handle. Very useful for people with disabilities.
Monitoring and controlling my UPS from Cayenne with SparkFun ESP8266 Thing Dev Board.
Motor driver circuit with some power saving features.
Learn about photoresistors and the process of characterizing their response to light intensity.
Imagine 120V, coming out of 2 controllable outlets. All coming from a (wireless) box with WiFi. Yeah, that's what we're talking about.