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How to Build a Crypto Ticker with ESP32 and MAX7219
Gizmo Ticker

How to Build a Crypto Ticker with ESP32 and MAX7219

Learn how to build a crypto ticker with an ESP32 and MAX7219 LED matrix using WiFi market data, a scrolling display loop, and a browser-based setup flow.

How to Control a Reolink NVR from an ESP32
Gizmo Reolink Switch

How to Control a Reolink NVR from an ESP32

Learn how to control a Reolink NVR from an ESP32 using WiFi, HTTPS requests, a simple local interface, and a safe state-restore workflow.

What is the ESP32?
Guides

What is the ESP32?

The ESP32 is a low-cost microcontroller from Espressif that combines WiFi, Bluetooth, GPIO, and enough processing power to build practical connected devices.

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