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Talking multimeter using PIC32 microcontroller

Posted on December 17, 2016 by R-B Leave a comment

Rachel Dipirro and Jonathan Lo (students of Cornell) built a talking multimeter as their final project for the 2016 Fall ECE 4760 (“Designing with Microcontrollers”) course. Their talking multimeter is powered with the PIC32MX250F128B microcontroller, and it can speak the measured readings while operating as a volt-, ohm-, and capacitance-meter. It is aimed to provide the user these measurements without turning away from the circuit currently being worked on. The speaking measurement system will provides an auditory alternative to a visual meter. Our system consists of a TFT LCD to display the reading, a keypad to read user input about the mode

ESP8266 weather forecaster with a beautiful enclosure (3D printed)

Posted on December 17, 2016 by R-B Leave a comment

Nick Koumaris from educ8s.tv has posted a new project of building a ESP8266-based weather forecast display using Wemos D1 mini board and a 1.8” Color TFT screen. Nick also shares the design files for his artistic 3d printed enclosure for this project. The ESP8266 on board Wemos D1 mini connects to the internet to retrieve the weather forecast for a particular location and displays it on the TFT screen.

Arduino-powered drink mixer

Posted on December 16, 2016 by R-B Leave a comment

Tired of hand-mixing ingredients for your favorite cocktail drink? This Arduino-powered automatic drink mixer can get your favorite 6-shooter recipe ready with a push of a button. You need to select your drink from the list shown on an LCD screen, push the button, and it will pour the drink in your glass. It uses 7 solenoid valves and a single pump to access drink from 6 containers.

Alexabot: An Amazon Alexa controlled robot using Raspberry Pi

Posted on December 16, 2016 by R-B Leave a comment

Alexabot is a fusion of Amazon’s Alexa Voice Service (AVS) with Raspberry Pi to build a robotic vehicle that follows your voice commands. You can ask the Alexabot to move around, do some stuff, and find answers to your questions. The body of the robot is built using the GoPiGo kit, while a Raspberry Pi 3 is used as the brain of the robot. Following video is a demo of Alexabot.

Fingerprint controlled door lock

Posted on December 15, 2016 by R-B Leave a comment

This fingerprint lock is described in an Instructable posted by JetLab and is about building an Arduino-based electronic door lock that can be installed on almost any access point in your house. The project uses a keypad and fingerprint scanner to grant access to the users by controlling an electric door strike with a relay. I started this project because I was wanted to work with a keypad and fingerprint sensor as well as become more familiar working with LCD’s, I also needed a way to lock my door from the outside so I thought an electronic door-lock would be

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