PWM-driven matrix keypad driver for ESP-IDF using row pulse-width encoding and MCPWM capture for simultaneous multi-key detection. Supports multiple keys per column with hardware-assisted decoding.
ESP Service is a three-layer service infrastructure providing a lifecycle base class, a dynamic service registry, and an optional MCP server for AI-agent tool invocation over multiple transports
Compact fixed-point math library for embedded systems. Integer-only with caller-selectable radix. Trig, log/exp, sqrt, hypot, wave generators, ADSR, and 2D transforms. Zero dependencies.