Australian researchers have developed a “low-cost, sustainable, simple and safe” way to extract gold from electronic waste.

Not if you’ve watched [0033mer]’s Simple Electronic Circuit Hacks video! You know just what to do. The ground pin of a LM7805 connects to the cathode of a TL431 programmable Zener diode pulled ...

A very simple but highly efficient combination lock circuit is shown in the figure. Any type of on/off switches can be used, varying from commercially available inexpensive types ...

A simple electronic circuit that stores rudimentary memories like an amoeba could help us understand primitive intelligence. ... Amoeba inspires simple memory circuit. 5 November 2008 ...

The process of circuit design can cover systems ranging from national power grids all the way down to the individual transistors within an integrated circuit. For simple circuits the design ...

Not only do these games bring the thrill of off-track racing back to life; every single one also comes charged with its own ...

In 2022, humans produced an estimated 62 million tonnes of electronic waste – enough to fill more than 1.5 million garbage ...

The team designed a paper-based amplifier-type circuit that incorporated resistors, capacitors and a transistor. They first used wax to print channels onto a sheet of paper in a simple pattern. After ...

As explained by Arduino to Go, each color band on the resistor corresponds to a number but this can differ depending on the band's placement.It's not complicated, but the sheer number of colors ...

Capacitors play three important roles in an electronic circuit: charging and discharging; maintaining the voltage at the same level; and removing noise. Diode: The diode is a two-terminal electronic ...