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High Resolution RGB LED Color Mixing
This application note demonstrates color mixing using the PIC12F1572 MCU. The PIC12F1572 microcontroller features three 16-bit pulse-width modulators (PWMs), which allow precise control over each RGB...
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Mini line follower robot using Opamp circuits
This instructable describes a mini line follower robot that requires no microcontroller unit for control. The line sensing and steering mechanism is constructed totally using analog circuitry...
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Wireless monitor for gas consumption at home
This low power wireless gas meter monitor built at a budget of about 35EUR is battery-powered and uses a JeeNode MCU board along with an nRF24L01+ transmitter to send the gas consumption info to a...
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Constructing an external serial monitor
The Serial Monitor application embedded into the Arduino IDE is a very useful tool in developing Arduino applications. In addition to its normal use for sending/receiving data bytes over the Arduino...
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Product review: EasyPIC v7 development board
MikroElektronika, a Belgrade, Serbia-based company is well-known for producing quality software and hardware development tools for a wide range of microcontroller families, including PIC, AVR, and ARM...
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Displaying temperature and humidity on servo-driven analog panels
This thermometer and hygrometer project from Kerry Wong’s website illustrates a technique of constructing analog display panels where the display needles are controlled through servo motors. The...
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Si7005 I2C sensor modules back in stock at Tindie
The Si7005 temperature and relative humidity sensor breakout boards are back in stock at Tindie. The Si7005 integrates fully factory-calibrated humidity and temperature sensor elements with an analog...
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DIY battery backup for your Raspberry Pi
This project is about making a battery backup circuit for Raspberry Pi computer and prevent any abrupt shutdown during power failure. It also allows to safely turn the device off if the main power...
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Step-by-step guide for making a very simple temperature and humidity meter...
In this blog post, I am providing you step by step instructions to build a very simple temperature and relative humidity meter for indoor use. All you need to build this project are an Arduino Uno or...
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Microchip introduces the PIC16(L)F170X and PIC16(L)F171X family of 8-bit...
Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced from EE Live! and the Embedded Systems Conference in San Jose the...
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Arduino vocal effects generator
This Arduino-powered vocal effects generator box shifts and distorts incoming audio signals to produce a wide variety of vocal effects. It samples an incoming audio signal from a microphone at 40KHz...
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Electric imp based automatic door lock
Marcus built this automatic door lock for his office, which uses the Electric Imp and a RC servo to lock/unlock the door. When we, PinMeTo, moved in to our office at MINC in the beginning of September...
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PWM generator and servo tester using ATtiny45
This easy-to-build PWM generator project uses the ATtiny45 processor and can be used as a tester for servos. It operates at 5V and can drive maximum PWM load of 1A. PWM generator and servo tester
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Arduino basic I/O learning shield
Jesus Echavarria, an electronic designer from Spain, has informed us about his K4S Keyboard project, which is a basic I/O shield specially designed for learning Arduino Programming using the Scratch...
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Implementing full-speed USB on NXP’s LPC microcontrollers
Are you encountering any issues with developing a full-speed USB application on NXP’s LPC microcontrollers? This application note from NXP highlights some of the important issues that you need to be...
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Enhanced water and condensation safe touch sensing operation
This application note explains the unique auto-calibration feature of the touch sensor family from NXP and provides guidelines for enhanced water and condensation safe operation, focusing on...
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chipKIT Tutorial 6: Inter-Integrated Circuit (I2C) communication
I2C or IIC (Inter-Integrated Circuit) is a simple bidirectional serial interface, which requires only 2 signal lines for data transfer. It was originally developed by Philips in 1980′s to provide easy...
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Noodle: A new robotic sensing project using Raspberry Pi
Noodle is a Raspberry Pi based prototype machine that has capabilities of sensing the surrounding space with its audio and video sensors, and of reacting to the sensed activities in the vicinity. The...
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chipKIT Project 4: Digital light meter
A light meter is used to measure the intensity of illumination in a given area. It is widely used in schools, warehouses, factories, hospitals, office buildings, museums, art-galleries, parking...
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Turn your Arduino board into a digital multimeter with this shield
Here is an instructable that describes a DIY shield which would convert your Arduino board into a multifunctional digital multimeter. This shield can be used with “Arduino” UNO und Duemilanove boards,...
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