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Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

Back in 1991, I was in New Delhi visiting the iconic Lotus Temple (Bahá’íHouse of Worship). The temple’s breathtaking ...

To build this, first initiate the ESP32-S3 in AP+STA mode, bringing up a soft AP that redirects all client DNS lookups. It ...

Strictly speaking, a Theremin uses a pair of antennae that act as capacitors in a specific R/C circuit. Looking at [aritrakdebnath2003]’s MIDI THEREMIN, we see it works differently, but it does play ...

At first glance, having perfect recall might seem like a gift from the heavens. No more embarrassing lapses in which you forget a name seconds after shaking hands, and gone are the grocery hauls where ...

Built for a cooler climate, many homes need to be retrofitted for warming temperatures. It won’t be as simple as installing air-conditioning. By Lynsey Chutel Reporting from London On a recent morning ...

A business card is a convenient way to share your contact information, but it’s unfortunately prone to being thrown away or forgotten. PCB business cards try to get around this problem, but while ...

Occam’s razor is a principle often attributed to 14th–century friar William of Ockham that says that if you have two competing ideas to explain the same phenomenon, you should prefer the simpler one.

The Java virtual machine manages application memory and provides a portable execution environment for Java-based applications. Developers reap the rewards in performance, stability, and predictable ...

Ten years ago, Elektor published a simple Arduino-based AM radio transmitter for streaming audio to vintage receivers. While ...