How We Built Our Facial Recognition Ferris Wheel

At Coolest Projects 2018, we showcased the Wia platform with a facial recognition Ferris wheel! Story At Coolest Projects 2018, we showcased the Wia platform with a facial recognition Ferris wheel - if you're smiling, the wheel turns, and if you're not smiling, it stops. Today we're going to talk about how we built this project, and maybe you'll be inspired to build something like it! What we used Lego Ferr ...

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Chrome Apps and serial port communication

Introduction During the development of my electronic projects, I sometimes need to develop a graphical user interface (GUI) that talks using serial communication with the devices I create. In the past, I usually chose to develop those interfaces in C# and using the .Net Framework; framework which allows a rapid development, offers great ways to customize the interface (for example the ability to use custom ...

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Wi-Fi RC Car – Qi Enabled

This is a project that will show you how to create a Wi-Fi controlled RC Car that will recharge wirelessly while it is parked. Things used in this project Hardware components IDT Qi 5W Transmitter Prototype Kit × 1 IDT Qi 5W Receiver Prototype Kit × 1 Arduino MKR1000 × 1 • 2WD Robot Car Chassis for Arduino × 1 L293DNE × 1 CN6009 - Step-up boost Power Converter Module × 1 3.7V Li-Po Battery × 1 1N4007 – High ...

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DIY Arduino Relay Driver Shield

In this DIY project we make a 3-Channel Arduino Relay Shield Circuit for relay based applications. We designed an isolated PCB for 3 relays. By using this Arduino Relay Shield, we can operate 3 AC appliances at a time. We have put a two pin screw terminal blocks (Neutral, NO) for connecting appliances. Here we have provided PCB layout, circuit diagram, and Gerber files so that you can build or directly orde ...

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LM317 smooths but doesn’t regulate

A well known power supply circuit is the capacitance multiplier. It doesn't regulate, but instead reduces ripple & noise while the output tracks at some fraction of the input voltage. The R1/R2 voltage divider determines VOUT (a VBE below VB), and must be chosen to account for the maximum ripple on the minimum VIN. If VIN is regulated, the circuit can be used purely for low-level noise reduction. In thi ...

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Smart Kitchen Cube

Alexa controlled timers at a glimpse. A really fancy egg-timer with added temperature control. Story Idea Both of us like to tinker with electronics and the latest hard- and software. While most projects never get out of "early-Alpha", we wanted to create something with a prototype look&feel for quite a while now. Participating in The Alexa and Arduino Smart Home Challenge finally made us consider creat ...

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IoT Based Electricity Energy Meter using ESP12 and Arduino

We all know about Electricity energy meters which are installed in everyone’s house or offices to measure the electricity consumption. At last of every month, many of us get worried about the high electricity bill and we have to look at the energy meter once in a while. But what if we can monitor our electricity uses from anywhere in the world and get an SMS/E-mail when your energy consumption reaches to a ...

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Build an Arduino-Controlled AM/FM/SW Radio

Combine the Si4844-A10 analog-tuned radio receiver with an Arduino to make a full-featured multiband radio. The idea of a single chip radio is intriguing. The prospect is especially interesting to me because, frankly, I envy the analog skills I associate with building a radio receiver. When I browsed the circuit literature in the area, I came across the Silicon Labs collection. One of their chips, the Si484 ...

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Smart Thermostat

Connect your home heater to Internet and chat with it via Telegram! Things used in this project Hardware components Arduino MKR1000 × 1 DHT22 Temperature Sensor × 1 SparkFun Pushbutton switch 12mm × 3 Resistor 10k ohm × 4 LCD screen × 1 Software apps and online services Arduino Web Editor Arduino IDE Hand tools and fabrication machines 3D Printer (generic) Soldering iron (generic) Story Connect to this smar ...

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What is Brushless DC Motor (BLDC) and How to Control it with Arduino

Building stuff and getting them work, the way we want, has always been sheer fun. While that being agreed, building stuff that could fly would defiantly pump a bit more anxiety among the hobbyists and hardware tinkerers. Yes! I am talking about Gliders, Helicopters, Planes and mainly multi-copters. Today it has become very easy to build one on your own due to the community support available online. One comm ...

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ESP8266: SSD1306 Oled Library Release

The “ESP8266 OLED SSD1306″ is an open source library which allows you to control those pretty OLED modules from our beloved ESP8266 module. Fabrice Weinberg cleaned up all the ugly pieces of code which I initially wrote caused by my near C/C++ illiteracy. He also added support for Pasko’s BRZO I2C library which is partially written in assembler and allows a much higher throughput over the I2C channel. Fabri ...

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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. Things used in this project Hardware components Arduino MKR1000 or Arduino/Genuino Zero + Arduino wifi shield 101 × 1 DHT22 Temperature Sensor × 1 Jumper wires (generic) × 1 LED (generic) recommended one Green, one Yellow and one Red × 3 Resistor 10k ohm × 1 Resistor 4.7k ohm × 3 SparkFun ...

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