An Arduino-based robot drummer. It works with a transistor noise-generator and an arrangement of servos hitting a can and a pair of piezos.
PID Control System of a Light Meter that measures and regulates the lighting of a lamp.
Test and comparison of two PWM methods, to control the battery charge of a "Night Light Control:" 1) Sine function; and 2) PID controller.
Current sprinkler systems leave much to be desired, so we've designed a sprinkler system that works smarter and saves water!
A simple tutorial to set up ICStation's DC to DC automatic boost buck converter (5 - 32V to 1.25 - 20V 5A) for electronic use.
The project is intended to detect the location of fault in underground cable lines from the base station to exact location in kilometers.
My project helps visually challenged people to walk without crashing into walls and obstacles. This help them to live freely without taking
Connect a Modbus energy meter to an Arduino and monitor power consumption via Home Assistant.
48x8 Programmable Scrolling LED Matrix using Arduino and Shift Registers.
Training board for essential logic gates.
Our objective is to design, build and implement in-the-field technology in an ecological way that generates environmental awareness.
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'.
Simple data logger that stores electrical data (voltage, current, power, energy, etc.) in an SD card, with timestamp for later analysis.
Project with a social purpose to aid the visually impaired. The glasses can detect obstacles up to 4m away and are readjustable.
Monitoring and controlling my UPS from Cayenne with SparkFun ESP8266 Thing Dev Board.
Imagine 120V, coming out of 2 controllable outlets. All coming from a (wireless) box with WiFi. Yeah, that's what we're talking about.
A robot capable of motion in response to our gestures.
Ever care about the place you may spend one third of a day? enVMon captures noise level, air quality, UV level, temperature and humidity.
This project is a plant watering system.
This propeller display is mechanically scanned and displays the characters in digital format. Made from scrap it can be used anywhere.
Controlling lights and CO2 admission to a aquarium. Sensor data is stored so it can be used for statistics.
PLC IEC-61131-3 ladder programming >>> Modbus TCP/IP >>> PID tuning >>> HMI >>> Wiring diagram.
Digitizing household mechanical switches with CoolMOS C7. `
This tutorial shows how to use the data collected from LoRa nodes into beautiful graphs and visualization using Node-red and Grafana.
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