> **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 # Pimoroni Pico Decker (Quad Expander) **Type:** Product page · **SKU:** PIM555 · **Brand:** [Pimoroni](https://core-electronics.com.au/brands/pimoroni-australia) · **GTIN:** 769894017203 **Page:** https://core-electronics.com.au/pimoroni-pico-decker-quad-expander.html ([markdown](https://core-electronics.com.au/pimoroni-pico-decker-quad-expander.html.md)) Quadruplicate your GPIO pins and attach up to four add-ons to a single Raspberry Pi Pico with our formidable Pico Decker expander board! ## Pricing - **Price:** $33.80 (inc GST) — $30.73 AUD, exc GST - **Quantity discounts:** 10+ $29.50 (exc GST) · 25+ $28.57 (exc GST) ## Availability & dispatch - Available with a lead time — expect dispatch between Sep 02 and Sep 07. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=PIM555:1` (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/PIM555:1.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 Quadruplicate your GPIO pins and attach up to four add-ons to a single Raspberry Pi Pico with our formidable Pico Decker expander board! Struggling to choose between Pico add-ons? Mix and match up an epic stack of functionality and plug in up to four Pico Packs or Bases at once\*, or use the four sets of fully labelled male GPIO pins to easily attach other devices, jumper wires or circuitry - very useful for prototyping. Pimoroni has also included some little rubber feet to keep everything solid, four M2.5 mounting holes and some particularly whimsical Routemaster bus inspired artwork on the back - If two sets of GPIO is just not enough, why not consider the four slot [Pico Omnibus](https://core-electronics.com.au/pimoroni-pico-omnibus-dual-expander.html) - [A Raspberry Pi Pico is not included - click here if you'd like to buy one!](https://core-electronics.com.au/raspberry-pi-pico.html) **About Raspberry Pi Pico** Raspberry Pi Pico is a flexible, low cost microcontroller development board from the folks at Raspberry Pi, based on their very own chip - the RP2040. It's easily programmable over USB with C/C++ or MicroPython, and ideal for using in all sorts of physical computing projects, devices and inventions - Pimoroni are so excited to see what you make with it! Pimoroni have called their Pico-sized add-ons packs, as they're designed to attach to the back of your Pico as if it were wearing a very stylish backpack (or a miniature jet pack, if you prefer). Pimoroni has also got Pico bases (larger add-on boards with a space to mount your Pico on top) and some other boards that let you do interesting hackerly things like using multiple packs at once **Your Pico will need to have male headers soldered to it** (with the pins pointing downwards) to attach to our add-on boards. **Features** - One landing area with labelled female headers for attaching to your Pico. - Four landing areas with labelled (mirrored) male headers for attaching add-ons. - 4x M2.5 mounting holes. - 4x rubber feet - Compatible with Raspberry Pi Pico. - 99% assembled - just need to stick on the feet! - No soldering required. - Dimensions: approx 148mm x 52mm x 13mm (L x W x H, including feet and headers) **Notes** - \* You'll need to check for data pin conflicts when using multiple Pico add-ons - Pimoroni recommends using [pinout.xyz](https://pinout.xyz/) or checking the shop page for the add-on in question! - \* If you're plumbing a Pico Base into Pico Decker, you'll probably want to do it via some [male-female jumper](https://core-electronics.com.au/catalogsearch/result/?order=bestsellers&q=male-female+jumper+cable) jerky to keep everything manageable and to stop everything from being quite so upside-down! ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/p/i/pim555-1.jpg)