Navy laser wireless power beaming proved dual-purpose in a June 2026 field test: a single directed-energy platform beamed ...

WiFIRCard is a credit card-sized ESP32-S3 board designed for home automation with two relays and a few GPIOs (headers and screw terminals) that can be controlled over WiFi 4 or an IR (infrared) remote ...

While child-sized humanoid robots like the Unitree R1 have come down in price, not everybody has a spare $6,000 to throw around to play with robots, and smaller models like the Tonybot are more ...

Photoelectric sensors detect objects and surface changes using variations in optical properties. Each sensor includes a light emitter and a receiver, with most relying on infrared light. In optical ...

This study introduces QUAPOS, a comprehensive simulated dataset for Visible Light Positioning (VLP) systems using quadrant photodiodes as receivers. Encompassing 73 diverse scenarios, QUAPOS features ...

ESPFLIX is an innovative, open-source streaming device leveraging the power of ESP32 microcontrollers on the compact IndusBoard platform. This tutorial provides detailed steps to build your own ...

Methane is the second largest contributor to global warming, estimated to account for approximately a third of warming to date 1,2. The strong contribution of methane to global radiative forcing, in ...

Alan Blake holds a degree in microbiology and biotechnology. When he is not in the lab or traveling, you will find him tinkering with electronics or recycling/reusing stuff that would end up in ...

Frequently Asked (and answered) Questions. Here is a list of questions that seem to get repeated often enough to make it onto this list. Your question may be already answered here. Help. All I'm ...

Marinel is a licensed Electronics Engineer who previously worked as a software/hardware developer. She has dabbled with Raspberry Pi, Arduino, and all sorts of electronic projects for five years but ...

Speedometers are used to measure the travelling speed of a vehicle. We previously used the IR sensor and hall sensor to build Analog speedometer and digital speedometer respectively. Today we will use ...

Arduino is a great way for today’s novices to start to learn how to write and run codes that interact with the external world. Somebody on Facebook recently asked about finding an easy-to-use shield ...