ESP32-SwitchBotEncrypted Physical Switch Actuator

Industrial-grade DIY switch actuator & fingerbot with cross-platform PWA, interactive terminal cURL TUI, and embedded Tailscale WireGuard VPN for turning on PCs and appliances from anywhere in the world.

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Explore Architecture

REST API

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Standalone PWA & Offline Precaching

Install directly to your iPhone, Android, or Desktop home screen. Powered by a service worker with instant cached shell delivery and native safe-area notch padding.

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Interactive Terminal cURL TUI

Stream a full-screen interactive Bash dashboard directly inside your terminal with a single curl command. Zero client software required.

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Embedded Tailscale & HA Failover

Access from anywhere on Earth via WireGuard mesh VPN without port forwarding. Automatic cold standby saves power when a primary subnet router is alive.

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Dual-Core FreeRTOS Segregation

Network I/O runs on Core 0 while physical servo actuation runs on Core 1 with task priority elevation (priority 5) for sub-5ms jitter-free motor timing.

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Ice-Cold Thermals (~40°C)

Downclocked to 80 MHz CPU frequency with FreeRTOS tickless idle sleep. Operates at a whisper-quiet ~0.14 W without generating heat inside switch housings.

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Interactive SVG Calibration

Touch-friendly rotary dials with 40° bottom deadzones, live motor preview, test taps, and a 20-second safety watchdog on manual holds.