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Use A Comparator Or Op-amp To Simplify Light Dependent Resistor Output

“If your project calls for light sensitivity, it’s hard to beat light dependent resistors (LDRs), also known as photoresistors. They’re available for a few cents each, and their resistance varies based on how much light they receive. In …

Water-repellent surfaces can efficiently boil water, keep electronics cool

“Surfaces that repel water can support efficient boiling if all air and vapor is removed from a system first, according to research featured on the cover of the most recent issue of Physical Review Letters. Water is typically boiled off …

A 360 leds clock

“Previously I talked about a LED box. I explained how to operate a ws2812 led strip. Thoses strips can be connected together in serial. After a first try one year ago, I built this clock from scratch with 360 leds …

BGU Researchers Develop First Robotic System for Rehab That Plays a Game to Improve Real-Life Task Performance

“BGU researchers have demonstrated for the first time the feasibility of a robotic system that plays a game, specifically Tic Tac Toe, with rehabilitation patients to improve real life task performance. Designing a social robot to help rehabilitate a patient …

Say Hello to Android Things 1.0

“Android Things is Google’s managed OS that enables you to build and maintain Internet of Things devices at scale. We provide a robust platform that does the heavy lifting with certified hardware, rich developer APIs, and secure managed software …

A step towards cheap aluminium batteries

“The energy transition depends on technologies that allow the inexpensive temporary storage of electricity from renewable sources. A promising new candidate is aluminium batteries, which are made from cheap and abundant raw materials. Scientists from Maksym Kovalenko’s research group …

ATMEGA2560 Standalone Using Arduino UNO

“In this instructable we will learn how to bootload the ATMEGA2560 chip and how to upload Arduino Mega sketches to it.”

BGU Invents Portable Robot Chauffeur

“From the Grapevine – Imagine you’re out with friends at your favorite local bar. Drinks have been flowing all evening. The night winds down and it’s time to leave. You could hail a taxi or call an Uber, but …

Blackhole Lamp

“The idea with this project was to create a lamp that also functioned as a visual representation of a blackhole in a 2D universe. As predicted by Einstein’s theory of general relativity, objects of mass distort the fabric of …

Bluetooth Controlled 4wd Arduino Robot

“Most of us think of robotics as a rather difficult hobby. Well, it is not so. When we are getting started with Arduino we should never go for making the very tempting but difficult-to-make projects. Arduino is a rather easy …