bPiShift – An Open-Source 28-PIN Bidirectional Logic Level Shifter For Raspberry Pi
https://www.electronics-lab.com/bpishift-an-open-source-28-pin-bidirectional-logic-level-shifter-for-raspberry-pi/
bPiShift is a snap-on, open-source 28-pin bidirectional logic level shifter for Raspberry Pi, enabling 3.3V to 5V interfacing without extra wiring.
ESP32-S3 PoE AI Camera Board Makes Your Legacy Utility Meter Digital and IoT Enabled
https://www.electronics-lab.com/esp32-s3-poe-ai-camera-board-makes-your-legacy-utility-meter-digital-and-iot-enabled/
This is an ESP32-S3 development board (16 MB flash, 8 MB RAM) that is compatible with the AI-on-the-Edge-Device framework. It integrates Ethernet with PoE, a micro-SD card slot, a camera with WS2812B back-lighting LEDs, a Stemma QT connector, comprehensive battery management, and a low-power sleep mode that draws just 20 µA.