Projects

Builds that bring circuits, code and printed parts together into something that works.

4 articles

Talking AI toy on ESP32-S3 with xiaozhi-esp32: on-board wake word, cloud LLM

A toy that talks back, built on open-source xiaozhi-esp32: the board hears the wake word, a cloud LLM answers. Plus kids' privacy and a mic light.

5 min read

#ProjectsBeginner

3D print onto tulle for bendable toys: pause, lay the fabric, print over it

Pause after the first layers, stretch tulle over the bed and resume. Plastic flows through the mesh and locks the fabric in, so segmented toys can bend.

5 min read

#ProjectsIntermediate

Drive an ESP32 robot car with a console gamepad using Bluepad32

Pair a console gamepad with an ESP32 via Bluepad32 and drive a two-wheel car through a TB6612FNG. Only the original ESP32 takes every controller; power motors apart.

7 min read

#ProjectsIntermediate

NFC music box: embed an NTAG215 in a printed token, read it with ESP32 + PN532

Seal an NTAG215 tag in a printed token with a mid-print pause; an ESP32 and PN532 read its UID and play that token's song. Pocket depth and pause maths included.

7 min read