Quectel Wireless Solutions has announced the launch of its latest high-performance MCU Zigbee and BLE module, the KCMA32S.

A mysterious and powerful blast of radio waves detected last year, suspected to originate far beyond the Milky Way came from a long-dead NASA spacecraft in Earth's orbit.

Looking forward to a future where laser beams replace power lines, DAPRA's Persistent Optical Wireless Energy Relay (POWER) program has set new records for transmitting more power wirelessly over ...

Figure 1 The latching relay setup shown above mimics the functions of a conventional electromechanical impulse relay. The simple circuit of the electronic impulse relay module shown below is designed ...

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains undocumented commands that could be leveraged for attacks.

But this model is powered by a modern, low-power ESP32-S3 processor (with two low-power Xtensa LX7 32-bit microprocessors running at 240 MHz and support for WiFi 4 and Bluetooth 4.2 LE.

Seeed Studio Wi-Fi AC Relay Module 3D printed enclosures The ESP32-C3 powered 2-channel Wi-Fi AC relay is priced at $19.90 and is currently available on backorder. It will be available from the China ...

A Django web application that controls an ESP32-based relay system through AWS IoT Core MQTT messaging. This system provides a secure and reliable way to remotely control relay operations through a ...