Content for LDR

Building an Automatic Solar Tracker With Arduino UNO

“Solar energy is becoming more and more prevalent across the world. Currently, many methods are being researched to make solar panels output more energy, reducing our reliance on fossil fuels and coal. One way to do this is to have …

MIDI Sound Palette

“This project started as a “Stone Soup” instrument that was designed around all of the extra sensors, switches, and other parts lying in my parts bin. The instrument is based around the MIDI_Controller.h Library and the TouchSense capabilities that …

How to Build Plant Observatory Using Azure IoT and Node.js

“Demo of Plant Monitoring System using Azure IoT hub for transmission and Elasticsearch for indexing gathered data. This project is a quick demonstration of a demo about plant observation system. The system should gain valuable information about plants from diverse …

Log Data and Plot a Graph Online Using NodeMCU, MySQL, PHP and Chartjs.org

“This Instructable describes how we can use the Node MCU board to collect data from multiple sensors, send this data to a hosted PHP file which then adds the data to a MySQL database. The data can then be viewed …

Rory the Robot Plant

“A funny looking robot in the form of a plant, that interacts with some sensors inputs, talks, plays music and detects human movement. Rory is a funny looking robot in the form of a plant, which interacts with some inputs …

Fizzle Loop Synth V3 (555 Timer)

“This is my 3rd Fizzle Loop Synth circuit and it builds on the previous 2 which can be found here and here. The heart of the synth is 3, 555 Timer IC’s which are used to make some really …

Arduino Word Clock on 8x8 RGB LED Matrix

“This is probably the best project that can be done with this module. Some time ago, I ordered from eBay: “Full-color RGB 8x8 LED+Colorful Magic Matrix Driver shield Colorduino KIT DIY” which is also known as “Funduino,” consists of …

XIV Nixie Clock

“XIV Nixie Clock V1 Project Date: December 2018 March 2019 WARNING: Nixie tubes require 180v to operate, this is a dangerous high voltage and you need to handle the tubes and the supporting circuitry with great caution. If you would …

Arduino Analog Value Plotter

“A while ago, I figured it would be pretty handy to have a graph for my analog outputs. It would help debug my outputs, give me a general idea of the sensor’s limits and whatnot, and would even be …

All In One Plant Monitoring System

“A Bolt IoT project which gives you timely updates of your plant moisture and sunlight levels, along with alerts if any. In our day-to-day life, we often forget to water and take care of our plants. Therefore I thought to …