Quantity   Component name
1 × ESP32-S3 N16R8 dev board, 16 MB flash, 8 MB OPI PSRAM
1 × INMP441 I2S MEMS microphone
1 × MAX98357A Audio ICs / Audio Amplifiers
1 × PCM5102A (optional) Data Converters / Digital to Analog Converters (DACs)
1 × Speaker 1–3 W, 4/8 Ω, up to 57 mm
1 × GC9A01 (optional) round TFT display, 240×240, SPI
1 × Tactile push button 12×12 mm momentary, push-to-talk
1 × USB-C cable For data + power
1 × M2 / M3 self-tapping screws
1 × 3D-printed enclosure see in repo
1 × Custom PCB (optional) see in repo