Manage Outdoor Irrigation with a DIY ESP32 S3 Sensor Node

Build a DIY ESP32 LoRaWAN sensor node to track garden temperature and humidity from up to 600 meters away. Includes PCB ...
Open Source For You

Open-Source ESP32 Walkie-Talkies Send Audio Without Wi-Fi

These open-source ESP32 walkie-talkies use ESP-NOW to exchange audio recordings without a Wi-Fi router, with Arduino firmware ...
Hackaday

Turning An Old Phone’s Motherboard Into An RC Plane Controller

Upcycling smartphones makes a lot of sense, especially since they contain so many components that remain useful long after ...
News Medical

Temperature-controlled blood transport boxes

B Medical Systems’ Blood Transport Boxes are medical-grade devices designed to safely transport blood and its components (such as blood cells, plasma, and platelets) in a secure, ...
Hackaday

The Fascinating World Of IrDA And Other Infrared Protocols

Infrared (IR) communication technologies are probably one of the most influential, yet also one of the least flashiest. The fact that IR communication tends to be highly directional and often ...