A thumb-sized, Particle-powered, Cloud-connected IoT board with Wi-Fi + BLE that supports Arduino, JavaScript and soon Python too! The Duo is a thumb-size development board designed to simplify the process of building Internet of Things (IoT) products. The Duo provides everything you...

Erica Torres @ edn.com discuss about lithium-air batteries that looks promising for future use. Although scientists are still working toward replacing lithium-ion (Li-ion) batteries with lithium-air (Li-air), or lithium-oxygen, batteries, researchers at the University of Cambridge...

Here’s an alternative method for making PCB vias using conductive ink from Diyouware: We developed an alternative method for making PCB vias through-hole using our robot. As you probably know the traditional DIY method consists in threading a wire through the holes and then...

nitram147 @ instructables.com has build a ATmega based alarm clock with temperature and humidity reading. Sensor used is DHT11. First, let me introduce you my project. I made an Alarm clock with extended functionality & thermometer and humiditymeter. Everything started when my...

anistor @ instructables.com has build an ESP8266 based temperature monitor system using DS18B20 sensor. This project will help you create a temperature monitor using an ESP8266 SoC and a temperature sensor (DS18B20) with next capabilities: Measure Temperature Send an email if...

The HDC1050 from Texas Instruments is a tiny 3 mm square combined humidity and temperature sensor. It can operate from a supply rail of 3 to 5 V and offers an accuracy of ±3 % on relative humidity measurement and ±0.2 ºC on temperature measurements. The typical supply current is...

If you enjoy APRS (the Automatic Packet Reporting System) in US and Canada this device will make your life easier. All you need is the tiny board, your radio and an Android phone. Introducing the Mobilinkd Bluetooth APRS® TNC. With your radio, your Android phone and this TNC, you...

by Clemens Valens @ elektormagazine.com EAGLE‘s export and import capabilities have been extended, allowing users to import designs that are in Gerber format into the board editor and use them as board templates for component placement or as a manual routing guide. Basic Gerber...