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ESP-01 based Sonoff wireless smart switch

“Control all the appliances by just one tap. An IoT based Smart appliance controller using ESP-01 Story: 1. ESP-01: Basically, it is the first wireless device in a small module, which was first used as wireless interfacing with …

ESP-01 based Weather Notifier

“1. ESP8266 ESP-01: Basically, it is the first hardware that was used with Arduino UNO for wireless communication. After a few years later, it became standalone hardware that sends and receives the information through wireless medium and since it …

Flatter graphene, faster electrons

“Scientists from the Swiss Nanoscience Institute and the Department of Physics at the University of Basel developed a technique to flatten corrugations in graphene layers. This leads to an improved sample quality and can be applied to other two-dimensional materials …

FPGA dev board based on Lattice iCE40 8k

“What a Lattice iCE40 FPGA needs A clock input. Has to be provided by an oscillator, it doesn’t have a crystal driver. 1.2v core supply for the internal logic. 2.5v non volatile memory supply. Can be provided …

Game Boy Advance Bluetooth HID

“Turn your Game Boy Advance into a Bluetooth Gamepad Use a Gameboy Advance as a Bluetooth Gamepad to play your favorite games on emulators running on PC, Android, Mac or any Bluetooth compatible device The device is basically an ESP32 …

HackSpace magazine #30

“The Arduino ecosystem is fantastic and covers a huge range of hardware and software, but this size can mean some of it’s best bits are a little hard to find. In this issue, we pick out our 75 top …

High-efficiency Catalyst Enhancing the Electric Reduction Performance of CO2

“Electrochemical conversion of carbon dioxide (CO2) into fuels and value-added feedstocks, ideally if powered by renewable electricity, provides a route to reduce greenhouse gas emissions and simultaneously close the carbon loop. At present, the rational design and controllable synthesis of …

High-Voltage FLASH Programming on ATTINY85

“The Atmel ATTINY85 is a great chip (cheap, easy to use, supported in the Arduino IDE). Unfortunately it only has 5 IO pins, which limits its usability. There are guides on using a High-Voltage Programmer (HVP) to change the Reset …

IOT Digital Clock

“Display Date and Time directly from NTP server. NO need for Real time clocks ( RTC ). Why to use Real Time Clocks ( RTC ) to provide time values to our smart projects. Why add a new hardware when we can do it …

LED Clock Using Neopixels

“Welcome to my instructable on how to make a LED clock using 60 Neopixels. You will find 3 PDF’s attached one is for the segments of the clock, another is for the base and lastly one is a template …