Coulomb Transistor — A New Concept Where Metal Nanoparticles Are Used In Place Of Semiconductor
A research group at the University of Hamburg has created a unique coulomb transistor that operates on the principle of the voltage control of the electron band gap in metallic quantum-dot nanoparticles. This Single-electron transistor represents an approach to develop less...
Continue ReadingDNA Extruder – Fastest, Precision at Home Filament Extruder
Fastest consumer level extruder on the market. High quality & precision filament, thanks to a new & innovative approach to the process. The 3D printing community is growing and innovating each day. Printers are becoming better and better, with higher print speeds, new features...
Continue ReadingSculpto+: The world’s most user-friendly desktop 3D printer
Sculpto+ is a compact desktop 3D printer and app-based software that makes 3D printing more accessible than ever before. 3D printers are one of the coolest and most efficient ways for you to make your ideas go from the drawing board and into real life. Two years ago we launched a new...
Continue ReadingSignet – Open Source Password Manager
Signet is a compact, open hardware, and free and open source software USB device that safely stores your passwords, bookmarks, contacts, and other personal data in encrypted memory. It’s compatible with MacOS, Linux, Windows, and Android so you can use it on any device with a USB...
Continue ReadingArduino compatible high precision frequency counter
The concept of this board is to build an open, very versatile frequency counter, so it can be used to measure a wide variety of signals. It is designed to be customizable in every possible way. Freq_LF_HF v1.0 board uses the famous AVR microcontroler Atmega328p-AU. This is not the...
Continue ReadingVersatile And Open Source LiPo bBattery Breadboard Power Supply
Orlando Hoilett from Calvary Engineering LLC designed a versatile Li-Po battery breadboard power supply and wrote an Instructables on it. This power supply outputs 3.3V to the breadboard and takes input from a single-cell LiPo battery. The breadboard power supply also has the...
Continue ReadingGraphene Electronic Circuits with Atomic Precision
Essential electronic components, such as diodes and tunnel barriers, can be incorporated in single graphene wires (nanoribbons) with atomic precision. The result is a working electronic device that could be used in Graphene-based electronic switches with extremely fast operational speeds....
Continue ReadingDIY Arduino Battery Capacity Tester
deba168 @ instructables.com writes: I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery pack.Earlier in one of my Power Bank Instructable I have told, how to identify good cells by...
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