A tiny $2 USD USB display dongle has captured the attention of tech enthusiasts, but the excitement comes with a healthy dose of caution. The WeAct Display FS offers a 0.96-inch color screen that plugs directly into USB ports, promising to add system monitoring capabilities to any computer for the price of a coffee.
The Tinkerer's Dilemma: Buying vs. Building
The affordable price point has struck a chord with hobbyists who recognize a familiar pattern in their purchasing habits. Many community members admit to accumulating electronics components with grand project plans, only to see them gather dust in drawers alongside unused Raspberry Pis and ESP32 boards. However, some argue this hoarding behavior eventually pays off when the right project idea strikes and all the necessary components are already on hand.
The device's appeal lies in its simplicity and potential applications. Users can display system information like CPU temperatures, weather data, or even use it as a tiny secondary monitor. The reversible USB connector design addresses a common frustration, allowing users to orient the display properly regardless of port position.
Security Red Flags Raise Community Concerns
Despite the excitement, security-conscious users have raised significant warnings about the device. The combination of its low price, Chinese origin, and USB interface has triggered alarm bells for those familiar with malicious USB attacks. USB devices can potentially enumerate as keyboards and inject harmful commands into systems, making any unknown USB device a potential security risk.
This is a suspiciously cheap device that is meant to be ordered in bulk from China.
The security concerns extend beyond theoretical risks. Malicious USB devices have been demonstrated to inject keystroke sequences that can download and execute malware, often with delayed activation to avoid immediate detection. While the device requires software installation to function, this requirement itself presents another potential attack vector.
![]() |
|---|
| Image of the WeAct Display FS showcasing its internal components, highlighting security concerns associated with inexpensive USB devices |
The Broader Context of Tiny Displays
The WeAct Display FS represents part of a larger trend toward embedding small screens in unexpected places. Community discussions reveal nostalgia for an era when any device with its own screen was considered premium technology. Today's reality of disposable $2 USD displays seems almost magical to those who remember when screens were the most expensive component of any system.
This democratization of display technology has sparked imagination about future applications, from USB drives with e-ink labels to keyboards with individual screens on each key. While some of these concepts already exist in expensive niche products, the falling costs suggest they may become mainstream sooner than expected.
Alternatives and Market Reality
For those seeking similar functionality with better security profiles, the community has suggested several alternatives. The Lilygo T-Dongle S3 offers comparable features with an ESP32S3 processor for around $10 USD, while providing more control over the firmware. Stream Decks, though more expensive at around $70 USD used, offer superior functionality and user-friendly software.
The rapid sellout of the WeAct Display FS following community attention demonstrates the strong interest in affordable display solutions. However, the mixed reception highlights the ongoing tension between innovation, affordability, and security in the modern tech landscape.
Reference: $2 WeAct Display FS adds a 0.96-inch USB Information display to your computer

