WebScreen brings $99 open-source monitor-top AMOLED display for alerts and stats with JavaScript apps, Wi‑Fi/Bluetooth
WebScreen is a new compact, open-source device that sits on top of a monitor like a webcam to show notifications, reminders, and system stats. Targeting gamers and creators, it uses a 1.9-2.1 inch AMOLED display and an ESP32-S3 microcontroller. The device runs apps written in JavaScript directly from a microSD card and supports Wi-Fi and Bluetooth for real-time data updates.
Developed with input from early supporters, WebScreen focuses on cross-platform notifications from Linux desktops and apps like Slack and Discord. Its open-source nature should be great for developers who want to customize the device or connect it with smart home systems. Popular uses (as per the Crowd Supply website) include productivity timers, dashboards, webcam lighting, and streaming companions. The device is launching at a $99 price point.
The device measures 68 x 60 x 54 mm and weighs about 100 grams. It’s powered and connected via USB-C, with a monitor-top mounting design that allows stacking of webcams. All hardware and software components are open source and released under permissive licenses to facilitate community contributions. A dedicated Serial IDE enables live JavaScript coding and debugging without removing the microSD card at all.
WebScreen will have a planned marketplace for JavaScript apps, enclosure designs, and hardware modifications. Current app examples include reminders, a Pomodoro timer, a Doom minigame, and smart home monitors. Enclosure colors include black, blue, green, pink, red, and orange. Manufacturing includes in-house 3D printing of enclosures in Japan, with Mouser Electronics handling global fulfillment via Crowd Supply. Risks specified include tariff changes, component shortages, firmware bugs, and certification delays.
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