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TinyDecoder - IR Remote Receiver and NEC Decoder based on ATtiny13A

“ATtiny13A receives IR signal via TSOP4838, decodes the signal (NEC protocol) and displays address and command (hex values) on an SSD1306 128x32 OLED display. The device is powered by a 1220 coin cell battery. Please remember that only the rechargeable …

TinyPocketRadio - FM Stereo Radio based on ATtiny13A

“TinyPocketRadio is a simple FM stereo radio based on ATtiny13A and RDA5807MP. It’s powered by a CR2032 coin cell battery and can drive 32 Ohm headphones via the 3.5 mm audio plug. The board size is 38 x …

Titanium carbide nanotech approach hints at hydrogen storage breakthrough

“New research from China is promising to double the efficiency of hydrogen storage at a time when low-carbon collection of the omnipresent gas is seen as a potential path to a greener energy economy. Published in Nature Nanotechnology this week …

Toshiba Introduces 5 new groups of TXZ+™ Family Advanced Class Microcontrollers that Realize Low Power Consumption, Support System Cost Reduction and Motor Control

“Toshiba Electronic Devices & Storage Corporation (“Toshiba”) introduces five groups of new microcontrollers, which belong to the TXZ+™ family. The M4K, M4M, M4G, and M4N groups are based on the Arm Cortex-M4 core, and the M3H group is based on the …

UB researchers report quantum-limit-approaching chemical sensing chip

“Study shows improvements to chemical sensing chip that aims to quickly and accurately identify drugs and other trace chemicals University at Buffalo researchers are reporting an advancement of a chemical sensing chip that could lead to handheld devices that detect …

Ultra-Low Power Soil Monitor

“In an effort to counter my own forgetfulness to water the plant in my apartment and on my balcony, I tried myself on developing a soil moisture sensor device. Since I wanted it to run on my balcony, where I …

USTC Develops Ultrahigh-performance Plasmonic Metal-oxide Materials

“In a study published in Advanced Materials, the researchers from Hefei National Laboratory for Physical Sciences at the Microscale, the University of Science and Technology of China of the Chinese Academy of Sciences, using an electron–proton co-doping strategy, invented …

UW Researchers Turn Coal Powder into Graphite in Microwave Oven

“Using copper foil, glass containers and a conventional household microwave oven, University of Wyoming researchers have demonstrated that pulverized coal powder can be converted into higher-value nano-graphite. The discovery is another step forward in the effort to find alternative uses …

Vending Machine With Coins and Online Payments Support Using Arduino

“This is a vending machine model that is designed to accept various coins, online forms of payment like UPI and wallets(ex. Google Pay,PayTM, PhonePe, Amazon Pay etc). Nowadays, People want to avoid the hassle of carrying change and …

Water-Cooled Raspberry Pi 4 Cluster

“A couple of weeks ago I built a water-cooled Raspberry Pi 4. It was a fun project and it came out looking pretty good, but was obviously crazy overkill for a single Raspberry Pi. This isn’t actually why I …