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Automotive vibration data logger and analyzer
Gabriel Francisco designed an automotive acceleration data acquisition system based on Texas Instruments’ LM4F120 series of ARM Cortex-M4 microcontroller. It can be used to sense automotive vibrations...
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BJT and MOSFET polarity and pin configuration identifier
This project article from Electronics-Lab describes a simple BJT and MOSFET transistor type and pin-out identifier device based on the PIC16LF1503 microcontroller. The device runs on a single CR2032...
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chipKIT Project 3: Easy Pulse Meter
This is a third project in our chipKIT tutorial series and today we are going to construct a simple pulse rate meter using our Easy Pulse sensor with Digilent’s chipKIT Uno32 board. Digilent’s chipKIT...
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Make your own digital camera using Raspberry Pi
This learning project from Adafruit describes how to make your own point-and-shoot digital camera using the Raspberry Pi board. In addition, you will also need the Raspberry Pi Camera Board, a TFT...
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Heart-shaped LED chaser for Valentine’s Day
This heart-shaped LED chaser would be a nice addition to your bouquet or any other gift for Valentine’s Day. The build process is very simple and uses the 555 timer IC (configured as an astable...
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Netduino car controlled through Windows phone
Matt Cavanagh, a Windows phone app developer from South Africa and the author of the Netduino Home Automation Projects book, built this Bluetooth controlled car using the Netduino board. He uses a...
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Microchip introduces a new Power Monitoring IC With High-Accuracy Signal...
Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced a new power monitoring IC, the MCP39F501. This device is a highly...
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DIY USB travel charger
This DIY USB travel charger is powered by two NiMH rechargeable batteries in series (2.4V DC) and uses the LT1302-5 DC-to-DC booster to derive +5V, 500mA output. The output is accessible through an USB...
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This serial LCD module gets power and data through one wire
I found this interesting post on EDN by Benabadji Noureddine about driving an HD44780-based LCD module serially through one wire. It receives the display data as well as power supply through the same...
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RetroWatch: A DIY Smartwatch using Arduino
RetroWatch is an open source project to let you make a smart watch using the Arduino platform. This instructable describes the details of this project in step by step. The hadware design is based on...
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nrf24l01+ RF module and ATtiny85
Ralph Doncaster writes, Nrf24l01+ modules are a cheap and low-power option for MCU wireless communication. Libraries are available for Arduino, and for arduino compatible MCUs like the ATTiny85....
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Revised dual power supply boards are back in stock
We have added a 500mA PTC fuse to our dual (5.0V/3.3V) power supply regular board in the new version. This power supply regulator board provides constant 3.3V and 5.0V outputs from an unregulated DC...
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Arduboy: The Interactive Digital Business Card
Check this out a credit card sized business card and gaming console based on Arduino. It is only 1.6 mm thick (thickness of PCB) and all SMD components are fitted into milled cutouts made on the PCB....
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Catweazle Mini: A Trinket type tiny development board for NXP LPC810 ARM...
NXP LPC810 ARM Cortex M0+ is a 32-bit ARM MCU that could run at 30MHz and has 6 general purpose IO, 4K flash, 1K SRAM, 2 Timers, SPI, I2C and UART. The Catweazle Mini is a Trinket-type embedded...
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New STM32 Nucleo development boards are mbed-enabled and support Arduino...
STMicroelectronics reveals affordable, extensible platform called STM32 Nucleo for efficient prototyping with STM32 Microcontrollers. The STM32 Nucleo development boards are mbed supported, and have...
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Arduino Uno computer that runs BASIC
This instructable describes how to design a BASIC shield for Arduino Uno to construct a standalone computer with BASIC interpreter. The shield uses the Atmega1284P MCU to run the TinyBASIC program and...
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Product review: iCP12 usbStick and SmartDAQ
In this blog post, I am reviewing iCircuit Technologies’ iCP12 usbStick development board and their freely downloadable SmartDAQ PC software. These two can be bundled together to construct a very basic...
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Breakout module for Si7005 temperature and humidity sensor
The Si7005 is a digital relative humidity and temperature sensor from Silicon Labs. It integrates fully factory-calibrated humidity and temperature sensor elements with an analog to digital converter,...
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Playing WAV sound files with Arduino
This instructable illustrates a simple circuit to play wav sound files stored in an SD card using arduino Nano V3.0. Playing WAV file with Arduino
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Snow weighing scale
Snowfall is typically measured in inches. However, when it comes to shoveling snow off the driveway, your would probably like to know how dense the snow has accumulated because that is what going to...
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