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Notes

Mochi robot development notes

Firmware

Designing an Emotion State System for the Mochi Robot

Original OLED prototype displaying a simple face during firmware experiments

Build a Mochi Robot emotion state machine for idle, listening, talking, happy, sad, thinking, and error states with replaceable animations.

MochiFirmwareEmbedded UI+2
Hardware

Complete Hardware Architecture for an ESP32-S3 Mochi Robot

Opened Mochi prototype showing the controller, display, wiring and 3D-printed enclosure used during early hardware experiments

A practical breakdown of ESP32-S3 Mochi Robot hardware: display, touch, I2S microphone, amplifier, speaker, battery, charging, and GPIO.

MochiHardwareESP32-S3+1
Embedded UI

LVGL and Mochi Robot: Building Emotional Interfaces for Embedded Devices - Part 1: The Power of LVGL in UI/UX Programming

Mochi robot face interface on a small embedded display built with LVGL

How LVGL helps build emotional interfaces for Mochi Robot, including expressions, menus, battery status, and UI on small embedded displays.

MochiUI/UXHardware+1
Hardware

LVGL and Mochi Robot: Building Emotional Interfaces for Embedded Devices - Part 2: Mochi & LVGL

LVGL interface flow for Mochi robot emotional states and screen animations

Part 2 of the Mochi LVGL series, covering faces, expressions, battery status, connectivity, screens, components, and UI states.

MochiUI/UXHardware+1
Product Design

Mochi Devlog 01: Early Development

Opened Mochi prototype showing the wiring and enclosure compromises from early development

The first Mochi devlog: early hardware questions, first firmware decisions, and what already went wrong.

MochiHardwareFirmware
Product Design

What Is Mochi?

Original Mochi workshop prototype with a 3D-printed enclosure and OLED face

A short introduction to Mochi, a small robot developed as an exercise in hardware, firmware, and product experience.

MochiHardwareFirmware

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