Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...
CircuitMess NASA Artemis Watch 2.0 is a programmable, NASA-themed smartwatch based on an ESP32-S3 WiFi and Bluetooth module ...
When taking macro photographs, you often need just a tiny bit of controlled motion — so little that it’s tough to pull off by hand. To address this, [Salveo] designed a small open-source macro ...
John Riley finds the Sigma 20-200mm f/3.5-6.3 DG Contemporary lens offers incredible versatility and impressiv... John Riley reviews and tests the Sigma 35mm f/1.4 DG II Art Lens, exploring its ...
Every collector ends up with items that are worthless, usually because they are broken or incomplete. When [Graindead] found a 1920s glass-plate reflex camera for pennies with plenty of missing parts, ...