> **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

# Arduino Opta Ext D1608S

**Type:** Product page · **SKU:** AFX00006 · **Brand:** [Arduino](https://core-electronics.com.au/brands/arduino-australia) · **GTIN:** 7630049204102
**Page:** https://core-electronics.com.au/arduino-pro-opta-ext-d1608s.html ([markdown](https://core-electronics.com.au/arduino-pro-opta-ext-d1608s.html.md))

Arduino Pro Opta Ext D1608S enhances your Arduino Opta’s real-time control, monitoring and predictive maintenance applications with the addition of 16...

## Pricing

- **Price:** $279.95 (inc GST) — $254.50 AUD, exc GST
- **Quantity discounts:** 5+ $244.32 (exc GST) · 15+ $239.23 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 2 today, and up to 500 more in 10–14 days.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=AFX00006:1` (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/AFX00006:1.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

Arduino Pro Opta Ext D1608S enhances your [Arduino Opta](https://www.arduino.cc/pro/hardware-arduino-opta/)’s real-time control, monitoring and predictive maintenance applications with the addition of 16 programmable voltage inputs and 8 solid-state relays 24 VDC 2A.

Just snap on the module to extend your system’s capabilities flexibly and quickly, and manage the new I/Os from the Opta base unit seamlessly, taking advantage of the open and widely known Arduino ecosystem or [PLC IDE](https://www.arduino.cc/pro/software-plc-ide) IEC 61131-3 programming environment.

****Key benefits:****

- Flexible inputs: 16 new inputs for your applications per each expansion added, programmable as digital 0-24 VDC or analog 0-10 V.
- Powerful outputs: 8 solid-state relays offering 24 VDC for 2A each.
- Up to 5 snap-on modules can be managed to multiply and mix a set of I/Os with seamless detection: snap them right next to your Opta base module and use the I/Os as native Opta resources.
- Extend your hardware capabilities while keeping programming accessible, by using the Arduino IDE with its wide range of ready-to-use sketches, tutorials and libraries.
- Put your new I/Os easily to work with the [PLC IDE](https://www.arduino.cc/pro/software-plc-ide) for IEC 61131-3 PLC languages, taking advantage of its low-code approach and pre-mapped resources.
- Extend the Opta’s benefits of real-time remote monitoring via intuitive Arduino Cloud dashboards and secure communication to a wider set of connected devices.
- Reliable by design, thanks to industrial certifications and Finder’s expertise in electronic devices.
- Easy DIN rail installation.

****Applications****

Opta’s digital expansions are ideal to increase the number of real-time control points in the manufacturing sector and in any building automation project. The Opta Ecosystem is compatible with all major cloud providers – but choosing the simplicity of Arduino Cloud can really make a difference, for anyone who wants to build, customize and remotely manage their own dashboards.

**Resources**

- [Datasheet](https://core-electronics.com.au/attachments/localcontent/AFX00005-AFX00006-datasheet_48940576516.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/A/F/AFX00006-1.jpg)