TL;DR
LILYGO has launched the T-Watch Ultra, a DIY smartwatch aimed at hardware enthusiasts looking for a durable wearable. Unlike many homebrew smartwatches that struggle with everyday conditions, this device features an IP65-rated case, making it resistant to water and dust. It’s powered by an ESP32-S3 microcontroller, which boasts a dual-core CPU running at 240 MHz, along with ample memory for complex applications, including edge AI tasks.