Operational amplifiers (OPAMPs) are high performance differential amplifiers in integrated form that can be used in many different ways. A typical OPAMP has a non-inverting input, an inverting input, two dc power pins, one output pin and a few other fine-tuning pins. On the following...

Here is a nice tutorial about launching you first ballon into space. Also tracking device information is provided. Source is available here: There are a lot of reasons to put together a weather balloon launch. Its a great project for a STEM /STEAM class, it requires planning,...

by Martin Cooke @ elektormagazine.com: The MCP9600 from Microchip is a single chip solution to convert thermocouple output EMF to degrees Celsius. The chip includes integrated cold-junction compensation and corrects thermocouple non-linearity for the eight most popular types of...

by Jonathanrjpereira @ instructables.com: Ever wanted to monitor your city's Current Weather Conditions, Carbon Footprint, Noise and Pollution levels? Do you want be a Climate Change Crusader or set-up your own Tweeting Weather Station and share your local weather conditions with...

by masteruan @ instructables.com: This is a simple tutorial to create an EMF detector. You can use Arduino for this job, but is better use a microcontroller called Attiny85. It is possible program it throe the Arduino interface. Attiny85 EMF detector -...

by motheeb @ instructables.com: This lesson will allow you to use SMS to control an LED along with using Arduino to make automatic calls to your phone in case it sensed movements in your room. You will be able to listen to the voices there and act upon emergency. Arduino with GSM...

by Graham Prophet @ edn-europe.com: Atmel ATmegaS128 AVR microcontrollers are now produced in space-grade quality, including latch-up immunity, ceramic packaging and extended temperature range for next-generation of space applications. AtmegaS128 – the first µC Rad Tolerant...

In this video: mjlorton tests the latest firmware from Siglent for the SDM3055 bench multimeter A quick overview of the Fluke TiS10 (vs Ti90) thermal camera A look at the YZXstudio Black USB Power Monitor (with optional bluetooth module) that Frank Tong sells on his eBay...