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“Monitor the surrounding dust and large particle (>0.5µm) for long time using Blynk IOT and plot the data for further research. In this project I have made a IOT based Dust density monitor which can measure the surrounding dust …
“This tutorial demonstrates how to make an ultra low power sensor data logger running on 2 AA batteries for more than a year. Recently I tried to make a data logger using ESP8266, to periodically upload temperature/humidity/moisture measurements …
“In Amateur radio, Morse code is used to send messages using a series of short or long pulses which are heard by the operator as audio beeps. The short beeps are known as dots or dits, and the longer beeps …
“Moves the mouse cursor a tiny amount occasionally, simulating the user being at the computer, preventing the PC from going to sleep/lock. Overview Having worked in corporate America for the better part of 40 years, I’ve seen corporate …
“OpenRPNCalc is a scientific calculator based on STM32 microcontroller. Its source code, schematics and 3D-printed case design files are released under open license. The hardware is inspired by the SwissMicros DM42 calculator (which itself mimics the famous HP-42), but …
“Planck constant (h) is one of the fundamental physics constants and the most important constant in quantum mechanics. When I was studying physics years ago, I fall in love with Quantum Mechanics and now I have decided to conduct simple …
“A portable, scalable and foldable display, that can be used as a Scoreboard or Timekeeper in outdoor sport events, with minimal setup A simple, scalable and foldable display, that can be used as a Scoreboard or Timekeeper in sport matches …
“Create a low cost and portable thermal imaging solution for accurately measuring temperature. Introduction I have previously looked at the top end of the low cost thermal imaging solution with the use of the FLIR Lepton coupled to HDMI displays …
“In this post we are going to learn how to build a RFID based attendance system using Arduino development board, RC522 RFID reader module and external EEPROM. We will take a brief look at RC522 RFID module, external EEPROM and …
“This will not be a tutorial, just me reflecting on the process and sharing it! Welcome to RoboCat, a cute pet without the mess! The RoboCat responds to any sounds above a certain range and if you press the red …