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ESPBoards Online Tools
Explore our collection of powerful, browser-based tools for electronics and microcontroller development. From circuit calculators to development tools, everything you need is just a click away—no installations required.
Electronic Calculators
Basic Electronics
Development Tools
Display & Graphics Tools
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Bitmap Generator
Create and preview 8×8, 16×16, or 32×32 pixel graphics for OLEDs like the SSD1306.
Open ToolAudio Tools
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Audio Sequencer
Compose and preview buzzer melodies in a grid-based sequencer. Export ready-to-use code for ESP32 or Arduino.
Open Tool