Build a Wearable AI Device That Talks to Claude for Under $15

You can build a wearable AI device that talks to Claude for under $15 in parts. No 3D printing. No soldering iron required for the basic version. Just 5 components and a USB cable. Here's exactly what you need and where to buy it. The $15 Parts List Part Function Price Where to Buy ESP32-S3 DevKitC Brain (microcomputer) $4-6 AliExpress, Amazon SSD1306 0.96" OLED Display (128x64 pixels) $1.50-2.50 AliExpress, Shopee INMP441 I2S Mic Voice input (digital) $1.50-2 AliExpress MAX98357A I2S Amp + Speaker Audio output $2-3 AliExpress Breadboard + Jumper Wires Connections $2-3 Amazon, AliExpress Total: ~$12-17 USD Why ESP32-S3 Specifically? Don't buy the ESP32-C3 or ESP32-S2. Their memory is too small for AI functions. The S3 has: Built-in USB (plug directly into computer, no programmer needed) 8MB flash + 512KB SRAM (plenty for our code) Native I2S support (digital audio without extra converters) WiFi + Bluetooth built in Dual-core processor For $5, you get a computer that can call Claude's A