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Simple Smartphone Metal Detector Experiments

“I will try to describe the principle of operation of a simple Metal detectors in which data is processed by a smartphone. The main principle of this detectors consists of LC oscillator which serves as a reference, and on the …

Smart Plant Irrigation with Health Detection

“It can detect the moisture level and shows the current humidity level and temperature in degrees, as well as the plant’s health condition. How to Use Oled Display, Capacitive Moisture Sensor, DHT11 Temperature, Humidity Sensor and Relays with WIZnet …

STMicroelectronics releases next-generation Bluetooth® system-on-chip, enhanced with latest positioning capabilities

“STMicroelectronics has introduced its third-generation Bluetooth® System-on-Chip (SoC), enhanced with Bluetooth direction finding technology for location-tracking and real-time positioning applications. By determining the direction of a Bluetooth Low Energy (BLE) signal, the Bluetooth 5.3 certified BlueNRG-LPS SoC can …

Swarm of Tiny Swimming Robots Could Look for Life on Distant Worlds

“A concept in development at NASA’s Jet Propulsion Laboratory would allow potential planetary missions to chase interesting clues in subsurface oceans. Someday, a swarm of cellphone-size robots could whisk through the water beneath the miles-thick icy shell of Jupiter …

The 4D-printed beetle that changes color when it gets wetter

“How iridescent animals are leading the way to smart sensors. 3D printing has become mainstream. For a few hundred euros you can buy a 3D printer online. But what about 4D printing? How do you print an object that can …

The MagPi 119

“Inside The MagPi magazine #119 - Raspberry Pi Pico W. In-depth guide to Raspberry Pi’s new RP2040 microcontroller-based development board with engineering interviews. - Bringing KITT back to life. How one maker is using voice recordings and LED displays to bring …

Thin-film Photovoltaic Technology Combines Efficiency and Versatility

“Researchers at KIT develop perovskite/CIS tandem solar cells with an efficiency of nearly 25 percent; combination of materials enables mobile applications. Stacking solar cells increases their efficiency. Working with partners in the EU-funded PERCISTAND project, researchers at the …

Three Wheeling: Startup Faction Develops Affordable Tri-Wheel AVs on NVIDIA DRIVE

“Some things are easy as A, B, C. But when it comes to autonomous vehicles, the key may be in one, two, three. Faction, a Bay Area-based startup and NVIDIA Inception member, is preparing to debut its business-to-business autonomous delivery …

Tim’s Electronic Dividers - 1D

“I thought I would do a small tool. A Pair of Electronic Dividers, to show the basic principles of a Hall-Effect Sensor. I did a little video just to show there use, while I was making the video I thought …

Touch controller from STMicroelectronics supports new-generation AMOLED energy-saving displays

“The FingerTip FTG2-SLP touchscreen controller from STMicroelectronics enables advanced features to support the latest active-matrix organic light-emitting diode (AMOLED) displays that promise more power saving and extended runtime in smartphones. Low-temperature polycrystalline oxide (LTPO) AMOLED displays, and similar proprietary …