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Sigfox Talking Plant

Hardware components: Arduino UNO & Genuino UNO × 1 Atmel ATA8520D (EVK arduino) × 1 Software apps and online services: Sigfox Twitter Story What is Sigfox Talking Plant? It is a simple project based on Sigfox network to make a plant talk on Twitter. The main goal is to demonstrate how to make an easy IoT prototype using Sigfox network.You can see a demo at http://sigfox.louismoreau.eu Which microcontrol ...

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XBee Walkie Talkie

Hardware components: Goldilocks Analogue Still as prototype currently, but functionality can be recreated with MCP4822 DAC, Microphone Amplifier, and Headphone Amplifier, together with Arduino Uno. × 1 MAX9744 × 1 MAX9814 × 1 MCP4921 DAC × 1 Arduino UNO & Genuino UNO × 1 Arduino Wireless Shield (Xbee) × 1 Story I’m building an advanced Arduino clone based on the AVR ATmega1284p MCU with some special fea ...

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Bionic Organs/Devices/Limbs Wireless Charging

Hardware components: IDT Qi 5W Transmitter Prototype Kit × 1 IDT Qi 5W Receiver Prototype Kit × 1 Atmel Atmega328p × 1 HC-SR04 Ultrasonic Sensor × 1 Hand tools and fabrication machines: Arduino cc Schemeit PCBWeb Story Bionic devices/organs has a limited lifetime where its battery needs to be replaced in order for it to function continually. The limited battery life causes the patient to be subjected to an ...

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Darby’s not dead.

Hardware components: Particle Spark Core × 1 atmega168 × 1 pn532 breakout board/ adafruit × 1 Story In the future there is a bar where all the dead punk rockers hang out. They are each given a MiFare classic card programmed with their name and 666 credits. This is the device the bartender uses to keep track of their tab. This project uses an atmega168 to control a pn532 breakout board to write cards as well ...

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AVR Serial Communication (UART) Programming tutorial

This tutorial focuses to teach you how to program AVR Serial Communication (UART). UART plays an important role in almost every embedded applications which we see in our day to life and hence it was considered to be very important concept in every Microcontroller. The above design demonstrates the usage of UART to send and receive data via hyperterminal as well display the received data in 1 16×2 LCD. As we ...

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Digital Clock using AVR Atmega16 Microcontroller

Digital clocks revolutionize the way we live our daily life as it helps people to stick with their schedule. This article will teach you to build your own Digital clock using DS1307 RTC Chip with Atmega16 microcontroller. As we all know that DS1307 is a simple real time clock chip which shows seconds,minute,hours,day,date and year. We have used a simple 16×2 LCD along with it to display all the data obtaine ...

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Door/Window alarm circuit

Door or Window alarm circuit have been used widely in many homes to detect intrusion. A simple search in internet might fetch you lot of alarms for you to buy. But making your own alarm will be something special and that’s the purpose of this article. For this article i have reverse engineered a window alarm gadget to obtain the schematic design.   COMPONENTS REQUIRED: Piezoelectric element Transistors Resi ...

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