TRMNL is a 7-5-inch wireless E-Ink display based on an ESP32-C3 RISC-V WiFi and Bluetooth SoC and designed to be customizable ...

The use of scanning detection in optical noncontact position sensing is proposed, and a prototype is implemented, using optical scanning of pseudorandom binary sequences printed in bar-code format.

LILYGO T-Embed SI4732 specifications: Wireless module – ESP32-S3-WROOM-1 module SoC – ESP32-S3 CPU – Dual-core Xtensa LX7 processor @ 240 MHz with vector extension for AI/ML Memory – 512 KB SRAM, 8 MB ...