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Broadlink RM Mini 3: From Broadlink 3323 to ESP8266

“How to insert an ESP8266 into the device and how to use it with Tasmota and MQTT. The story is really simple: I bought this RM Mini 3 some years ago. From a day to other it refuse to work …

Built to Last: New Copolymer Binder to Extend the Life of Lithium Ion Batteries

“Scientists develop a novel binder material that protects the graphite anode of Li-ion batteries from degradation even after 1700 cycles The capacity of lithium-ion batteries decreases over time partly due to the degradation of the binder that protects the graphite …

Cells as computers

“Scientists at ETH Zurich are working to develop information-​processing switching systems in biological cells. Now, for the first time, they have developed an OR switch in human cells that reacts to different signals. Biological cells might one day be …

Cheap, nontoxic carbon nanodots poised to be quantum dots of the future

“Tiny fluorescent semiconductor dots, called quantum dots, are useful in a variety of health and electronic technologies but are made of toxic, expensive metals. Nontoxic and economic carbon-based dots are easy to produce, but they emit less light. A new …

Contactless high performance power transmission

“A team led by Technical University of Munich (TUM) physicists Christoph Utschick and Prof. Rudolf Gross has succeeded in making a coil with superconducting wires capable of transmitting power in the range of more than five kilowatts contactless and with …

Denmark is building a fuel cell factory that offers 90% efficiency

“The factory from Haldor Topsøe is due to be completed in 2023. In the meantime, there is also close cooperation with the Saudi mega-project NEOM through the ‘Dutch connection.’ For the Danes, green energy is as natural as oil is …

DHT22 Sensor

“In this project guide, we show you how to make the popular DHT22 sensor. This DHT22 easily connects to a variety of microcontrollers to send digital temperature and humidity readouts. You can monitor temperatures on your phone, create an alarm …

DIY Arduino UNO Bluetooth | How to Make Arduino Uno Can Be Upload Code Via Bluetooth

“Hi everyone, now I will show you how I made arduino uno board using the atmega328p can be upload code via bluetooth HC-05 called as “DIY Bluino One”. A year ago I have made a series of tutorials about …

DIY Wireless Power Meter | 100VDC 100A

“Hey! everyone, My name is Steve Today Im gonna show how I build this Power Meter Using ESP8266 & INA226 Current Sensor The Screen seems to fluctuate its just due to the camera in real its normal Ive built the Codes …

DMX RGB Mixer for Lights

“Five channels circuit to control Red, Green, Blue, Brightness and Strobo of your LED lamps in an handy box! In these days a complete and rich lights control DMX console is available to buy at shops for a few tens …