david zheng
.
board
01
work
← back
openclaw cardputer client
Full AI chat client for the M5Stack Cardputer (ESP32-S3, 320KB RAM). C++ from scratch — WiFi, keyboard, audio, panel-based chat UI, Ed25519 auth, token-by-token WSS streaming, Whisper voice input. Built in two days, demoed live to 70+ people.
2026
C++
PlatformIO
ESP32-S3