Ubo Pod — An Open-Source AI Assistant Powered by Raspberry Pi 4/5 (Now Live on Kickstarter)

The Ubo Pod Developer Edition (DE) is an open-source platform built around the Raspberry Pi 4 or Raspberry Pi 5, designed to enable AI-powered visual recognition and conversational voice interaction. Aimed squarely at developers and makers who want full control over their AI experience, Ubo Pod represents an open, transparent alternative to proprietary “black box” smart assistants like Amazon Echo or Google Nest.

This device combines speech-to-text, LLM/VLM execution, text-to-speech, tool invocation, and event-triggered automation in one compact unit. Unlike most commercial smart speakers, Ubo Pod can run entirely offline, supporting local AI deployment in addition to cloud-based integrations. It features a built-in color display with an embedded GUI and a browser-based WebUI, allowing users to set up and control the system with zero coding experience.

Ubo-Pod

Technical Specifications

Core SBC Configuration

ModelSingle-Board Computer
Ubo Pro 4Raspberry Pi 4
Ubo Pro 5Raspberry Pi 5

Storage

ConfigurationDetails
Standard32GB microSD card preloaded with OS
Ubo Pro 5 ExclusiveM.2 PCIe slot supporting NVMe SSD or AI accelerator

Display & Camera

ComponentSpecification
Display1.54” color TFT IPS, 240×240 pixels
Camera5MP built-in camera; Pi 4 supports Camera Modules V1/V2, Pi 5 adds Module 3

Audio System

FeatureSpecification
MicrophoneDual stereo microphones, up to 48 kHz
SpeakerStereo, 48 kHz, THD < 0.1%, 1 W mono output
Line Out40 mW @ 3.3V, 16Ω; THD -75 dB @ 20 mW; SNR 90 dB; auto jack detection via WM8960

Networking

ConnectionSpecification
EthernetGigabit RJ45
WirelessWiFi 5 and Bluetooth 5.0

USB Ports

TypeCount
USB 3.02
USB 2.02

Sensor Modules

TypeSpecification
TemperatureNXP PCT2075, -25°C to 100°C, ±1°C accuracy
Ambient LightVEML7700, 0–120 klx, 0.0036 lx/count resolution

Other Features

FeatureDescription
Control ButtonsPower + 7 soft-touch function keys
LED Ring27 individually addressable RGB LEDs (SK6812), NeoPixel compatible
InfraredReceiver (TSOP75238, 5 m range) + 4x 940 nm emitters (VSMB10940)
PrivacyPhysical camera shutter and mic cutoff switch
CoolingActive thermal management
Dimensions130 × 99 × 52 mm
Weight340 g

Software and Open Development

Ubo Pod runs Raspberry Pi OS and comes with the Ubo App, a Python-based open-source application hosted on GitHub. Developers can install and test the Ubo App on their existing Raspberry Pi 4/5 without purchasing the hardware.

The device supports integration with over 50 AI service providers, covering speech recognition, TTS, vision processing, memory management, and large language models (LLMs). Both cloud-based and local AI deployments are supported.

Developers can extend its capabilities easily through a gRPC API — new modules or features can be added with just a few lines of code.

Example Applications:

  • “Memo” voice assistant with context memory
  • Voice-to-image generation tool
  • Visual-Language Model (VLM) image captioning
  • Infrared-controlled voice automation (e.g., controlling a TV)
Ubu-core-application-block-diagram

Open Hardware, Open Future

Beyond software, Ubo Pod embraces complete hardware openness.All PCB schematics, mechanical CAD files, and component layouts are publicly available on GitHub, allowing enthusiasts to modify or extend the design freely.

An official overview video and a 30-minute deep-dive demo are available for those who wish to explore Ubo’s architecture in depth.

Kickstarter Launch & Pricing

Ubo Technology has officially launched Ubo Pod on Kickstarter, aiming to raise $25,000 to bring the open-source personal AI assistant to a wider audience.

Model Starting Price Includes SBC?

  • Ubo Pro 4 $109 No (Raspberry Pi sold separately)
  • Ubo Pro 5 $129 No (Raspberry Pi sold separately)

More information, videos, and documentation are available on the official website and Kickstarter campaign page.

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