{"title":"Adafruit NeoTrellis M4 with Enclosure and Buttons Kit Pack","handle":"adafruit-neotrellis-m4-with-enclosure-and-buttons-kit-pack","url":"/products/adafruit-neotrellis-m4-with-enclosure-and-buttons-kit-pack","description":"Everything you need to get started with the NeoTrellis M4 in one kit. This pack bundles the NeoTrellis M4 Mainboard, an acrylic enclosure, silicone elastomer button pads, and rubber feet — ready to assemble into a complete MIDI controller, sound board, or interactive button-pad device.\n\nThe NeoTrellis M4 is an all-in-one USB + NeoPixel + Elastomer + Audio board powered by the ATSAMD51 Cortex M4 running at 120 MHz. With 512 KB flash, 192 KB SRAM, and 8 MB SPI flash for file storage, it supports both CircuitPython and Arduino with room to spare for audio clips and complex code.\n\nKey Features\n\n\nATSAMD51 Cortex M4 – 120 MHz 32-bit processor with hardware DSP and floating-point support\n\n512 KB Flash + 192 KB SRAM + 8 MB SPI Flash – Ample storage for code, files, and audio\n\n4×8 Elastomer Button Pads – Fully diode'd matrix with no ghosting, reads all simultaneous presses\n\n32 NeoPixels – One under each button pad, 24-bit colour, glows through translucent elastomers\n\nStereo Audio Output – Dual 12-bit 500 KSPS DACs on left/right of a TRRS headphone jack\n\nMicrophone Input – MAX4466 electret mic amplifier on the 4th headphone pin\n\nADXL343 Accelerometer – Triple-axis accelerometer for tilt, motion, and tap detection\n\nNative USB – USB MIDI device support (Arduino), USB HID, and CircuitPython serial\n\n4-Pin JST Hacking Port – STEMMA/Grove compatible with 3.3 V, GND, and two GPIO\n\n\nIdeal For\n\nMIDI controllers and music sequencers\nAudio synthesisers and sound effects boards\nInteractive button-pad interfaces and games\nLight-up performance controllers\nCircuitPython and Arduino learning projects\n\n\nPackage Contents\n\n1× Adafruit NeoTrellis M4 Mainboard (SAMD51)\n1× NeoTrellis M4 Acrylic Enclosure Kit\n\n1× Silicone Elastomer 4×4 Button Keypad (2-pack)\n1× Rubber Bumper Feet (4 bumpers)\n\n\n\nNote: USB cable, headphones, and audio cables are not included.\n\n\nResources\n\n\nNeoTrellis M4 Learn Guide – Setup, wiring, and example projects\n","vendor":"Adafruit","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":8084,"title":"Default Title","sku":"AF-4020","price":116.96,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}