Measure Pressure With Your Micro:bit
The following instructable describes a easy to build and inexpensive device to perform pressure measurements and demonstrate Boyle’s law, using the micro:bit in combination with the BMP280...
View ArticleESP-Now Rainstick
This fun little project will allow you the trivial joy of letting a electronic network announce that you have rain! The AI controlled, tear eliciting price’d Tesla has been rumored to have sensors that...
View ArticleESP32 LoRa Changing Frequency
What would you think about a program, made in the C language of the Arduino IDE, that makes the LoRa radio change frequency? This is what you will learn about in my video today, where you will learn...
View ArticleMovement Activated Redstone
This project is a motion activated redstone lamp. It works by using a crumble microcontroller and an ultrasonic distance sensor wired up to a relay. This project is being entered into the minecraft...
View ArticleArduino DIY SD Card Logging Shield
Ready-made SD card logging shields for the Arduino typically cost in the range of $15 – $25. This is quite reasonable, but we might save a couple of bucks if we make our own. Not to mention all the fun...
View ArticleAutonomous Control of RPM of Engine Using Feedback System From a IR Based...
There is always a need for automating a process,be it a simple/monstrous one.I got the idea to do this project from a simple challenge that i faced while finding methods to water/irrigate our small...
View ArticleAlexa Controlled Servo
Introduction I have a laptop on a shelf in my office that monitors several cameras that are around the outside of my house. They alert me to deliveries and visitors. While I can use a web browser to...
View ArticleRemote Control: ESP8266 With Coin Cell
The big problem using the ESPs is the power consumption when Wifi “goes up”, about 100-200mA, peak up to 300mA. Normal coincells deliver a few mA, peak up to 20-40mA. But for the ESPs the voltage will...
View ArticleSpot Welder 1-2-3 Arduino Firmware
Why another spot welder project? Building a spot welder is one of the (arguably few) cases in which you can build something for a fraction of the price of the commercial version with comparable...
View ArticleArduino Interrupts and Debouncing
Interrupts are an extremely useful, yet often feared element of microprocessors. Interrupts allow you to run a program, while still being able to react to asynchronous input from the outside world....
View ArticleCayenne and SparkFun IoT 433 Mhz Sockets
I know the Z-Wave or Netatmo system for IoT, domotic system and automation of house. But now you can make a simple system that uses a Node MCU board and Cayenne platform for control five 110/220 V...
View ArticleArduino: Electrical Engineering Basics
In this week’s arduino tutorial, we take a bit of a detour and focus on some key elements of electrical engineering design that we’ll be using in future episodes. [box type=”note” color=” #202020 ”...
View ArticleIoT Set-up to Operate/control 220-240 Volt AC Bulb/Device; NodeMCU Amica + 5V...
What are we messing with? IoT (Internet of things) set-up to operate/control 220-240 Volt AC Bulb/Device NodeMCU Amica + 5V Relay + MQTT + Arduino IDE + Web Browser (HTML + JavaScript/jQuery) WARNING!!...
View ArticleAutomated 5 Gallon Bucket Feeder
This bucket feeder design was motivated by the fact that my wife and I live in different cities and have a cat that hates to ride in the car. The automated feeder makes it possible to be able to leave...
View ArticleGetting Started With Freescale K64F
There is a lot of buzz going around Arduino and the series of boards. One of the most used board from the Arduino series is the Arduino Uno. But what many people don’t notice is that there is a board...
View ArticleWeather Portal
There have recently been a series of web query projects that use the miraculously tiny and affordable ESP8266 micro controllers. Most have involved the output going to a tiny screen with small...
View ArticleControlling Devices in Swift With BLE
In this project we will use an iPhone to control devices connected to an STM32 device. The project is a starting point for more exciting experiments such as remote controlled robots or any other thing...
View ArticleMFRC522 RFID Reader Interfaced With NodeMCU
If you have noticed in an office before, you would be probably aware of those RFID cards or Tags that would unlock specific doors depending on your access.Well let’s make a simple NodeMCU RFID reader...
View ArticleBasic IC Tester Using Arduino NANO
1. Components required for this project. 2. Procedure to do this project. 3. Coding of Arduino Nano with verification. 4. Circuit diagrams. 5. Simulations and application list. So lets begin…..! Step...
View ArticleSimple 3 Button On-off With 12f629 (mikroC)
a simple 3 buttons on-off with pic12f629. it’s written with MikroC Step 1: The Code… start the code with ”int”———————————————————- int x0,x1,y0,y1,z0,z1; ////// with this the GPIO outputs could stay on...
View Article