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Real-time sound spectrography using Atmega1284
A sound spectrogram is a visual representation of the frequency components contained in an audio signal. The device that generates the spectrogram is called spectrograph. In a spectrogram, the...
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Bluetooth controlled robot car
Christine and Shela‘s final project for the ECE4760 (Digital Systems Design Using Microcontrollers) class they took this fall was a Bluetooth controlled car with a dedicated remote control device. The...
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Single digit Nixie clock driven by PIC16F84A
This IN-18 Nixie tube clock project utilizes the PIC16F84A microcontroller and displays hours and minutes on a single tube. The circuitry is simple and the author used salvaged parts from a disposable...
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Circuit printer: A rapid prototyping machine for electrical circuits
Another interesting micrcontroller-based design project done by Bruce Land‘s students at Cornell this fall is a circuit printer, a rapid prototyping machine that prints electrical circuits on a piece...
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Breadboard adapter for ESP8266 module
ESP8266 is an inexpensive serial-to-wifi tranceiver chip that allows to connect any microcontroller with a serial port to a WiFi network. Because of its simplicity and low cost, it is getting popular...
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Selfiebot: An autonomous photo capturing system
Two Cornell University students, Michael Wang and Jennifer Qian, have built Selfiebot, a personal photo companion that will capture your special moments autonomously. It consists of a physical selfie...
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Embedded Lab wishes you a very happy new year
Christmas is over and we are now geared up to say good bye to 2014 and welcome to 2015. Embedded Lab would like to wish all of our readers, supporters, and contributors a very happy and prosperous new...
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Using BMP180 for temperature, pressure and altitude measurements
The BMP180 is a new generation digital barometric pressure and temperature sensor from Bosch Sensortec. In this tutorial, we will briefly review this device and describe how to interface it with an...
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Shower room door sensor
James and his other colleagues often bike to work to stay healthy. The problem is their work place has only one shower stall. So he built this shower room door sensor to provide an at-desk indication...
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Portable multifunctional tool with Nokia 3310 casing
Mastro Gippo’s 1337 3310 multifunctional portable tool is hacker’s Swiss knife in the shell of Nokia’s most durable and iconic 3310 phone and is also the winner of Hackaday’s Trinket Everyday Carry...
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ESP8266 module and breadboard adapter kit
Elecrow is now offering the popular ESP-01 Serial-to-WiFi transceiver module along with our breadboard adapter kit for simplifying the prototyping of the ESP8266-based IoT applications. While you can...
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Musical holiday card with a CD case
Dmitry Griberg’s musical holiday card project is really cool and plays a full song in full fidelity from an SD card. The project uses Attiny85 microcontroller and a 4-MOSFET amplifier circuit, both...
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Arduino sound direction locator
This Arduino-based sound direction locator uses a Pac-Man like ghost that runs towards the direction of the origin of sound. It uses three microphones amplifier modules arranged in a triangle to locate...
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Arduino binary clock with seven segment LED displays
Brett Oliver’s latest version of Arduino-controlled binary LED clock uses a 4×20 character LCD and three MAX7219-based serial 8-digit seven segment displays to show time and date, which is synchronized...
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Arduino calculator box
Kale_3D has posted this instructable about his build of an Arduino-based calculator with a laser cut wooden enclosure. In this Instructable I will show you how to make an Arduino calculator that is...
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Open-source ARM Pro Mini
Zapta has shared the design files on github for his ARM PRO MINI, which is an open source ARM M0 microcontroller development board that could be handy for quick prototyping and as a starting point for...
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XMega DAC
In embedded systems, oftentimes it is needed to generate analog outputs from a microcontroller. Examples of such include, generating audio tones, voice, music, smooth continuous waveforms, function...
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Basic Experimenter Board for easy prototyping of electronic circuits
Most electronics projects require some common stuff like regulated power supply, input tact switches, and output LEDs during prototyping and testing phase. Wiring these things on a breadboard for every...
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Making an audio treasure hunt box
Treasure hunts are a great adventure to play inside or outside of house. Jasen Smith’s audio treasure hunt box project is a unique variation of this game, where the treasure hunters are given a code to...
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Microchip’s new Gesture controller IC
Microchip Technology has announced the second member of its award-winning and patented GestIC® family. The new MGC3030 3D gesture controller features simplifies user-interface options focused on...
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