elato/sidekick
Pocket-sized always-listening AI companion. Dual MEMS mics, class-D audio, ESP32-S3 and a two-hour print for the shell.
| Ref | Part | Qty | Unit | Ext | Source |
|---|---|---|---|---|---|
| U1 | ESP32-S3-WROOM-1-N8R2 Espressif · Wi-Fi + BLE module, 8MB flash, 2MB PSRAM | 1 | $3.60 | $3.60 | |
| U2 | MAX98357AETE+T Analog Devices · 3.2W class-D I2S amplifier | 1 | $2.14 | $2.14 | |
| MK1, MK2 | INMP441 InvenSense · Omnidirectional I2S MEMS microphone | 2 | $1.55 | $3.10 | |
| U3 | TP4057 TPower · 500mA single-cell LiPo charger | 1 | $0.11 | $0.11 | |
| U4 | ME6211C33M5G Microne · 3.3V 500mA LDO | 1 | $0.06 | $0.06 | |
| U5 | W25Q128JVSIQ Winbond · 128Mbit SPI NOR flash for audio assets optional | 1 | $1.02 | $1.02 | |
| J1 | TYPE-C-31-M-12 Korean Hroparts · USB-C 2.0 receptacle, 16-pin | 1 | $0.14 | $0.14 | |
| J2 | S2B-PH-K-S JST · 2-pin PH battery connector | 1 | $0.09 | $0.09 | |
| BT1 | LP502530 Generic · 3.7V 500mAh LiPo cell | 1 | $3.40 | $3.40 | |
| LS1 | CSS-13N28-088 CUI · 8Ω 1W speaker, 13mm | 1 | $1.85 | $1.85 | |
| SW1, SW2 | TS-1187A XKB · Tactile switch 3×4mm | 2 | $0.03 | $0.06 | |
| D1, D2 | KP-2012SURCK Kingbright · 0805 LED, amber / green | 2 | $0.04 | $0.08 | |
| L1 | SWPA3015S4R7MT Sunlord · 4.7µH shielded power inductor | 1 | $0.08 | $0.08 | |
| C1-C9 | CL05B104KO5NNNC Samsung · 0402 100nF X7R 16V | 9 | $0.01 | $0.09 | |
| R1-R5 | RC0402FR-0710KL Yageo · 0402 10kΩ 1% | 5 | $0.01 | $0.05 | |
| PCB | JLC04161H-7628 JLCPCB · 4-layer 46×32mm, 1.6mm, ENIG | 1 | $2.10 | $2.10 | |
| ENC | PETG-SHELL self · Printed shell, ~24g PETG | 1 | $0.62 | $0.62 | not sourced |
| HW | M2x6-SHCS generic · M2×6 socket head screws | 4 | $0.03 | $0.12 | |
| One complete build | $17.69 | ||||
1 line carry no distributor part number, so they cannot be added to a cart automatically: PETG-SHELL