Mitsubishi Electric announced that it has developed a small, high-precision air-quality sensor, the world first to detect all fine particles measuring no more than 2.5 micrometers in diameter, called PM2.5, as well as pollen and dust. It also senses the density of particles...

Danny Mavromatis has designed an Arduino based OBD port module using Atmel 328P MCU and Microchip MCP2515 CAN Bus controller with SPI interface and MCP2551 CAN transceiver. The goal of this project it to create an Arduino based OBD port module that can be used to enhance a vehicles...

Jesús Arroyo has published Icestudio, a new graphical tool that lets you generate Verilog code using block diagrams and run it on the Lattice Semi iCEstick development board. Using the drag and drop interface you can connect IOs, logic gates, dividers, and other elements. Once the...

The F1200 of an IDT is a digitally controlled intermediate frequency differential variable gain amplifier that adjusts the gain either dynamically or as a one-time channel gain setting. The device has extremely low noise figure over the entire gain control range. It is packaged in...

HariFun @ instructables.com has build the smallest 4x4x4 RGB LED cude which is less than 1 square inch in dimensions and uses 64 SMD RGB LEDs. The guide goes through the assembly and programming of the cude using an Arduino board. The World's Smallest 4x4x4 RGB LED Cube -...

ON/OFF AC load Controller project offers simple On/Off Switch Control with two tact switch. Specifications Input supply – 12 VDC @ 40 mA Output – upto 500 W – 230 VAC Onboard tactile switch for ON/OFF control Opto-isolated Triac based design Power-On LED...

Ken Shirriff has done a detailed teardown of the popular 555 timer IC. Let's take a look inside this little chip: Given the popularity of the 555 timer, I thought it would be interesting to find out what’s inside the 555 timer and how it works. While the 555 timer is usually sold...

Markus has designed a single-sided ESP-12/ ESP-07 breadboard adapter that uses easy to find SMD parts and has on-board voltage regulator. Features: * Fits ESP-12 and ESP-07 module * Single-sided self-etchable design * Few, cheap parts in SMD * Breadboard-style - one row on each...