Components

Browse all components available in the simulator. Each component is fully documented with pin references, register maps, simulation behaviour, and known limitations.

MCU does

Reads from itWrites to it

Clear

MCUs

STM32F405 ExpressAdafruit board built for bare-metal and RTOS firmware developmentSeeed XIAO RP2040Tiny thumb-sized board with a NeoPixel LED and USB serial output

Sensors

MCP9808High-accuracy temperature sensor with programmable alert thresholdsBMP280Measures atmospheric pressure and temperature for altitude estimationMPU-6050Tracks motion in 3D space — acceleration, rotation, and temperature

Displays

SSD1306 OLEDSmall 128×64 monochrome display commonly used for status readoutsLCD1602Classic two-line character display for simple text outputAPA102 LED StripChainable full-colour LEDs with individual brightness control per nodeLEDA single indicator light that turns on or off based on a pin signalLED RGBA three-channel LED that can mix any colour from red, green, and blue

Motors

SG90 ServoLightweight servo motor that rotates to a commanded angle

Audio

BuzzerPlays audible tones in the browser when driven by the firmware

Inputs

Button SwitchA push button you can click in the simulator to trigger firmware events

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