Interactive Electronics & Embedded Utilities

Hardware & Embedded Web Tools

Interactive browser utilities, display simulators, and workshop helpers built for makers and electronics enthusiasts.

Embedded DisplaysInteractive Web Tool

LCD Custom Character Generator

5x8 Pixel Matrix Designer for HD44780 Character Displays

Interactive pixel matrix designer for 5x8 character LCD modules. Draw custom icons, symbols, and glyphs by clicking or dragging across pixels, and generate production-ready Arduino & C binary byte arrays in real-time.

  • Interactive 5x8 pixel grid toggling with click-and-drag drawing
  • Real-time Arduino byte customChar[8] code array generation
  • Live preview rendered on a simulated 16x2 green LCD display
ReactHTML5 CanvasC/C++ CodeGenHD44780Arduino
Launch ToolBrowser / Canvas • Arduino & C/C++
Display EmulationLive Emulator

SSD1306 OLED Simulator

128x64 Monochrome I2C/SPI OLED Simulator & Code Runner

Simulate Adafruit SSD1306 and U8g2 commands directly in your browser. Render text, lines, geometric primitives, and bitmap graphics on a virtual 128x64 pixel display with live JavaScript execution.

  • Real-time 128x64 monochrome pixel buffer rendering with glow effect
  • Text, line, circle, rectangle, and bitmap draw primitives
  • Interactive code runner with built-in graphic demo presets
JavaScriptCanvas 2DSSD1306I2C / SPIAdafruit_GFX
Launch ToolBrowser Virtual Screen • Adafruit_GFX / U8g2
Workshop & LabVector SVG Export

Component Label Generator

SMD & Through-Hole Drawer Labels with Dynamic QR Codes

Design and export clean, printable storage labels for electronic component drawers and organizers. Generates dynamic QR codes linked to datasheets or inventory, package footprint previews, and high-DPI SVG export.

  • Dynamic QR code generation for part URLs and specs
  • Preset dimensions for popular organizer drawers (Raaco, Akro-Mils)
  • High-resolution SVG vector output for direct printing
SVG VectorQRCode GeneratorPrint ReadySMD / THTCSS Grid
Launch ToolPrint Ready • SVG Vector