# Token Monitor – An ESP32-S3 desktop display that tracks AI coding assistant usage (Crowdfunding)

> Source: <https://www.cnx-software.com/2026/08/07/token-monitor-an-esp32-s3-desktop-display-that-tracks-ai-coding-assistant-usage/>
> Published: 2026-08-07 07:15:11+00:00

Fractal Manifold has introduced the Token Monitor, a 4-inch ESP32-S3-based desktop display for monitoring real-time AI coding assistant usage. The device features a 4-inch 480×480 IPS touchscreen with 5-point capacitive touch, Wi-Fi 4 and Bluetooth LE 5 wireless connectivity, USB-C power, optional 1-cell Li-ion battery support via an AXP2101 PMIC, and two side buttons for power and boot functions. It shows usage information including quota consumption, session limits, token counts, reset timers, and estimated token costs. A local broker service fetches the usage data and transfers it to the device over a secure connection, keeping credentials on the user’s machine. Token Monitor specifications: SoC – Espressif Systems ESP32-S3 CPU – Dual-core Tensilica LX7 up to 240 MHz with vector extension for AI/ML workloads RAM – 512KB SRAM; 8MB PSRAM Wireless – WiFi 4 and Bluetooth LE 5 Storage – 16MB flash Display – 4-inch 480×480 capacitive touchscreen with ST7701 driver and [...]

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