TritiLED – Multi-year always-on LED

Description TritiLEDs are always-on battery powered LED glow lights for general night-time marking use. Radioactive gaseous tritium light sources (GTLSs) are allowed in the United States in several consumer product categories, including watches, compasses, and gun sights, but general-purpose markers are considered "frivolous" and are prohibited. Leveraging advances in LED efficiency, battery capacity, and m ...

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Arduino LED Scroll Bar using easyEDA

Today I want to make a LED Scroll Bar as is shown in the picture above. Ten LED strips can flash in different effect by using a control board. Components LED strip, Arduino Nano, Dupont line and a control board. How to make it ? Step 1) Cut the LED strip into 10 pieces with each LED arbitrary number. Then, weld the traverse at an interface of the LED strip. Here I prefer using Dupont line to connect. Step 2 ...

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Proteus Tutorial – Light Emitting Diode (LED) and Bar Graph Display

How to work with Light Emitting Diode (LED) in Proteus In this post we will be learning on how to use the “Light Emitting Diode (LED)” component in Proteus simulation software. In case you have not got on through the basics of Proteus, here is the link – Proteus PCB Design and Simulation Software – Introduction. Note:- You may also read our 1st chapter on Proteus Tutorial Series – Switches and Relays in Pro ...

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ARDUINO EXTERNAL CIRCUIT CONNECTION CHARTS

Arduino transistors, LEDs, motors, MOSFETs, various electronic components, circuit connection diagrams that will be of great use for Arduino projects, Arduino circuits or those who are new to Arduino programming … Circuit diagrams are... Electronics Projects, Arduino External Circuit Connection Charts "arduino projects, " Arduino transistors, LEDs, motors, MOSFETs, various electronic components, circuit con ...

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Arduino 8×8 LED Matrix using MAX7219

In this instructable I'm going to show you how to Interface with LED matrix using an Arduino and MAX7219 IC, this project can be used to make low resolution images using LEDs. This project is very simple to build and serves as a basics to getting started with controlling a large number of LEDs using the Arduino Uno. For this project we will be using the MAX7219 which is display driver IC, which works with S ...

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PuzzleBox

Protect your valuables with a puzzle! Story Keeping your valuable items away from prying eyes can be hard sometimes, unless you put it in a big safe or something similar... but who has room for that? Instead, create your own puzzlebox using the components from the MKR IoT Bundle and some cardboard! We can't guarantee the safety of your belongings, but at least it will be a fun deterrent for potential thieve ...

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WiFiRGB – A WiFi-enabled RGB high-power LED

Features Simple hardware, using pre-fabricated modules Controls an RGB LED via any recent browser, any operating system WiFi credentials can be configured via browser Software is written as an Arduino sketch Introduction Some time ago I read about the cheap and easy to use ESP8266 WiFi modules and I had to have a couple of them. So I ordered two ESP-01 modules. At the time I had no idea what to do with them ...

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Electromagnetic Field Detector using an Arduino

Ever electronic device emits a certain amount of electromagnetic fields and we can use this radiation to learn a few things about the circuit. In today's instructable I'm going to show you how to build your own electromagnetic field meter using an Arduino. This device can be used to detect mains voltage, static electricity and radiations from certain devices. It can also be used to detect ghosts :P. So lets ...

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Plant Moisture Monitoring and Watering with LED Indicator

Monitor your plants and let them water themselves when they are thirsty. Story Motivation I work in a rather 'sterile' office, that was once a server room with raised floors. After several years working in there, I got tired of no windows, no outside light, and NO GREEN things, and decided to bring in one of my many plants, from home, in an attempt to bring a little 'green' inside. I brought the plant in an ...

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Weather Station for Drones

The project consists of a kit for drones that includes an electronic device that functions as a meteorological station. Story The project consists of a kit for drones that includes an electronic device that functions as a meteorological station used for monitoring the values of environmental temperature, of atmospheric pressure and of humidity. The whole device'll work thanks to Arduino/Genuino MKR1000. The ...

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Arduino Bluetooth Tutorial HC-05

Bluetooth has been around for quite a while now. Being a common way to communicate with mobile phones, it was only natural to include this protocol in the Arduino arena.   Bluetooth is typically a low power, medium range device, in fact it can reach up to 10 meters. Bluetooth operates on the same frequencies as WiFi, 2.4Ghz.Connections are normally one to one meaning no group communication is allowed by the ...

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Visibility sensor for divers

Planning a scuba dive will be much easier with the data of visibility sensors on the divespot. Story When you're planning a scuba dive, it's nice to know the visibility of the water at the dive spot. This system will contain a sensor module in the water with a temperature sensor and a visibility sensor. The MKR1000 on the side of the water will send the data wireless to the closest WiFi-hotspot (a diving ce ...

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