Thumby Specs

Basic Info

Brand

TinyCircuits

Release Date

2022

Form Factor

Keychain

Price Range

Budget

System

Soc

RP2040

Cpu

2x ARM Cortex-M0+

Cpu Clock Speed

133 MHz

Ram

264 KB SRAM

Display

Screen Size

0.42 inches

Screen Type

1-bit OLED

Resolution

72×40

Hardware

Battery

40 mAh Lithium polymer

Storage

1.4 MB (advertised as 2 MB)

Dimensions

30.5 × 17.8 × 7.6 mm

Weight

4.7 grams

Colors

1-bit (Black and White)

Connectivity

Connectivity

Link cable, microUSB

Audio Output

Piezoelectric speaker

Speaker

Mono

Review

Pros

Extremely portable keychain size; Programmable in MicroPython; Very affordable price point ($9-35); Multiple color options available

Cons

Very small screen; Limited resolution; Short battery life; Basic sound capabilities