smart | Battery Guide

SPARKFUN THING PLUS NRF9160 DEVELOPMENT BOARD GETS CELLULAR CONNECTIVITY

We have yet another Feather form factor board that is released by SparkFun in association with CircuitDojo, which is powered by the famous Nordic nRF9160 microcontroller, SparkFun Thing Plus- nRF9160, designed for users working in smart cities and smart agriculture applications. Last year there had been a crowdfunding project on nRF9160 Feather v2 by CircuitDojo that was funded over 100%. Moving forward, this board …

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Smart doorbell System

Introduction On request I have built a microcontroller-based doorbell system which is being used in an industrial environment. This is the basic function: When you push the bell-button, a horn will sound for about 10 seconds. At the same time a light, which keeps burning until someone pushes a reset-button, will be activated. The system …

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JeVois, The Open-Source Smart Vision Camera

JeVois, which can be translated from French as: I see, is an open-source quad-core camera that can be connected easily with your project whether you are using Arduino, Raspberry Pi or just running it on your PC. JeVois contains a video sensor, quad-core CPU, USB video and a serial port in only 1.7 cubic inches. …

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Open Source 3.2” TFT Smart Display

This project is an open source 3.2″ Smart TFT display board. The board is based on a PIC32 and a 3.2′ TFT with touchscreen (ILI9320 controller, using 16bits PMP). The software has two main parts. One that produces the 2D functions and a GUI with various widgets (buttons, check boxes, sliders etc). Description A new …

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Smart Battery Charger (no soldering!)

Many AA or AAA battery chargers charge batteries in pairs, but plenty of devices use 1 or 3 batteries, meaning that some of your batteries get overcharged and some get undercharged. NiCd and NiMH batteries also benefit from an occasional full discharge, which most normal battery chargers won’t do. If you’re anything like me you’ll …

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Building a SmartWatch Part 1

I have an issue with smart-watches. Watches in general fall into one of two categories: a tool to tell the time, or a fashion statement. Increasingly, I believe the latter category is larger than the first. With the advent of the iWatch, Pebble and the like, fashion and making a statement has moved into technology. …

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Nuimo: Seamless Smart Home Interface

Nuimo is an intuitive and natural way to interact with your connected devices. Nuimo works with any bluetooth device or application including Sonos and Philips Hue. Nuimo is an intuitive and natural way to interact with your connected devices. Nuimo works with any bluetooth device or application including Sonos and Philips Hue. Nuimo is a …

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