I built an ESP32-powered presence sensor using only Bluetooth, here's how it works BLE transmitter settings in the Home Assistant app on Android esp32-presence-sensor ...

ESP32-C3 based IR remote hub offers touch sensor, haptic feedback, 360° coverage The XIAO Smart IR Mate is a compact circular-shaped IR remote hub/blaster built around the XIAO ESP32-C3 and designed ...

ESP32 Bus Pirate is an open-source firmware inspired by the original Bus Pirate from Dangerous Prototypes, which turns ...

At the center is an ESP32-S3 board, which brings with it that chip’s wireless and Bluetooth capabilities.

Learn how a developer built a customizable LED matrix display using ESP32 and Raspberry Pi platforms. Detailed comparison of both controllers, firmware options, and open-source code for DIY smart ...

In this article, a sub-microwatt power 802.11b backscattering transmitter is presented to enable the reuse of the same incident wave for three purposes: RF harvesting, backscattering communications, ...

The paper considers the possibility of implementing a high-efficiency radio-frequency power amplifier (PA) using the outphasing synthetic amplification method with direct summation of switching ...

Over 150 humanoid robots were showcased at WAIC 2025 in Shanghai by Unitree, Deep Robotics, and others, highlighting China's rapid progress in AI-powered robotics.

Four sensors were attached on the electrodes of a dedicated 4-channel FPC (Flexible Printed Circuit), which connected to an ESP32 board. The collected data are transmitted to a computer through the Wi ...