Obniz is the world's first development board which IO is available as API on the cloud. It's Tiny but powerful, Internet connected board. obniz has 12 IO and WiFi module and It can be controlled through the APIs on obniz cloud, either through the REST or WebSocket API. The API can be...

 Choosing the right capacitors can make a big difference in the reliability, longevity, cost, and board size of your design. But most engineers don’t know which capacitors to choose for which applications. In this episode of Chalk Talk, Amelia Dalton chats with James Lewis from...

Apertus AXIOM Beta is a professional digital cinema camera built around free open source software and hardware. AXIOM Beta is the latest version powered by MicroZed development board based on Xilinx Zynq 7020 ARM + FPGA SoC, and running Arch Linux ARM. The camera will run Arch Linux ARM...

A MAX7219 driven Display, controlled by an ESP8266 SoC and MQTT This project describes how to connect a MAX7219 to an ESP8266 Chip and let it act as a MQTT client. Its basically my ninHOME Node Firmware where you can optionally add a MAX7219 Display. ESP8266 MAX7219 Dot Matrix Display...

Engineers at Cornell university have created a new system for measuring vitals, which could revolutionize hospital experience for everybody. Usually, getting sick means having to go to the hospital which because of today´s procedures takes almost all your day (if not more), and most of...

Hi guys welcome to this tutorial. Today we will be building a simple temperature monitor using the DS18B20 sensor with a Nokia 5110 LCD Display and an Arduino mega. The DS18B20 digital temperature sensor gives a 9-bit to 12-bit Celsius temperature readings and also has an alarm...

A convincing artificial fire effect for the holiday season, using NeoPixel LEDs, an Arduino UNO, and a cool mist module. The instructions for this are actually pretty simple, basically you just need to get the materials, and put them all together. The only technical part is soldering...

Ultrasound, also known as sonography, is a medical procedure which uses sound waves to get images from inside the body. It is used to help guide biopsies, diagnose causes of pain, examine a baby in pregnant women, diagnose heart conditions etc. High- frequency sound waves are...