As USB-C PD becomes more and more common, it’s useful to have a tool that lets you understand exactly what it’s doing—no longer is it limited to just 5 V. This DIY USB-C PD tool, sent in by [ludwin], ...

Abstract: Disasters cause widespread power outages, isolating affected communities and hindering essential services. This paper presents a Smart Grid system integrating solar energy, battery storage, ...

Note: This is not an actual satellite, but rather a low-orbit satellite model designed for educational purposes that operates within a Wi-Fi range only. Fig. 1 shows the circuit diagram of the CubeSat ...

This project includes the RP2040 Zero microcontroller, precision INA219 sensor, and 3.2-inch ILI9341 SPI 320 × 240 TFT display. This project introduces a voltage, current, and power meter circuit, ...

Waveshare has recently released the RoArm-M3-Pro and RoArm-M3-S, a 5+1 DOF high-torque ESP32 robotic arm kit. The main difference between the two is that the RoArm-M3-Pro features all-metal ST3235 bus ...

Abstract: This paper introduces an IoT-based Photovoltaic Hotspot Detection and Monitoring System designed to optimize the performance and reliability of solar energy systems. Utilizing a 1.3W, 7.5V ...

The Waveshare UGV Rover is a 6-wheel robot platform based on Raspberry Pi 4 or 5 as well as an ESP32 module and built for remote exploration, object recognition, and autonomous navigation. Since the ...

* - https://www.banggood.com/TTGO-T-Display-ESP32-CP2104-WiFi-bluetooth-Module-1_14-Inch-LCD-Development-Board-LILYGO-for-Arduino-products-that-work-with-official ...

Besides LoRa (acronym for long range) radios, there is another kind of radios that are already occupying the market segment with variety of applications, and that is Zigbee radios. Although Zigbee ...

Power grids are one of the most sophisticated machines humans have ever built and our life is highly dependent on it. Like fire, electricity also needs to be controlled and power grids are built for ...