> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt # Adafruit 4x4 NeoTrellis Feather M4 Kit Pack **Type:** Product page · **SKU:** ADA4352 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia) **Page:** https://core-electronics.com.au/adafruit-4x4-neotrellis-feather-m4-kit-pack.html ([markdown](https://core-electronics.com.au/adafruit-4x4-neotrellis-feather-m4-kit-pack.html.md)) Adafruit have upgraded Adafruit's popular 4x4 Trellis Keypad kit with a super-specifically-laser-cut enclosure that turns your 4x4 'Trellis into a handheld Feather M4 Express-powered... ## Pricing - **Price:** $94.95 (inc GST) — $86.32 AUD, exc GST - **Quantity discounts:** 10+ $83.73 (exc GST) · 50+ $82.00 (exc GST) ## Availability & dispatch - Available with a lead time — expect dispatch between Sep 04 and Sep 08. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=ADA4352:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart. - **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/ADA4352:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.) - **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there. - **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works) - **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt ## Description Adafruit have upgraded Adafruit's popular 4x4 Trellis Keypad kit with a super-specifically-laser-cut enclosure that turns your 4x4 'Trellis into a handheld Feather M4 Express-powered light/music maker! Perfect for your next cool interface, MIDI instrument, control panel... whatever could benefit from a glow-up with an elegant black and white enclosure *and* with beautiful diffused colorful buttons. Thee 4x4 button pad board is fully assembled, tested, and communicates over I2C. [With Adafruit's trusty seesaw I2C-to-anything chip](https://learn.adafruit.com/adafruit-seesaw-atsamd09-breakout), you don't even need to manage the NeoPixel driving. That's right! Both the button management and LED driving is completely handled for you all over plain I2C. Adafruit have both Arduino/C++ and CircuitPython/Python library support. **This pack contains everything you need to get started. Includes:** - 1 x [Adafruit NeoTrellis RGB Driver PCB for 4x4 Keypad](https://core-electronics.com.au/adafruit-neotrellis-rgb-driver-pcb-for-4x4-keypad.html) - 1 x [Adafruit Feather M4 Express](https://core-electronics.com.au/adafruit-feather-m4-express-featuring-atsamd51-atsamd51-cortex-m4.html) - 1 x [Adafruit 4x4 NeoTrellis Acrylic Enclosure and Hardware kit](https://core-electronics.com.au/adafruit-4x4-trellis-feather-acrylic-enclosure-hardware-kit.html) - 1 x [JST PH 4-Pin to Male Header Cable - I2C STEMMA Cable - 200mm](https://core-electronics.com.au/jst-ph-4-pin-to-male-header-cable-i2c-stemma-cable-200mm.html) - 1 x [Silicone Elastomer 4x4 Button Keypad](https://core-electronics.com.au/silicone-elastomer-4x4-button-keypad-for-3mm-leds.html) - 1 x [Little Rubber Bumper Feet (4 bumpers total)](https://core-electronics.com.au/little-rubber-bumper-feet-pack-of-4.html) If you'd like to make the board portable, for untethered projects, you can pick up the **optional, not included:** - 1 x [Lithium Ion Polymer Battery - 3.7v 500mAh](https://core-electronics.com.au/lithium-ion-polymer-battery-3-7v-500mah.html) - 1 x [Mini Panel Mount DPDT Toggle Switch](https://core-electronics.com.au/mini-panel-mount-dpdt-toggle-switch.html) Some light soldering is required! You'll have to solder wires to the Feather. ## Technical Details - Fully assembled 4x4 Trellis dimensions: 86 x 86 x 31mm ![](https://core-electronics.com.au/attachments/localcontent/RoHS2_2011_65_EU_7356c5574c.svg) ![](https://core-electronics.com.au/attachments/localcontent/RoHS2_2015_863_EU_86773f57f9.svg) ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/4/3/4352-01.jpg)