> **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

# 7-Segment Serial Display - Blue

**Type:** Product page · **SKU:** COM-11442 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/7-segment-serial-display-blue.html ([markdown](https://core-electronics.com.au/7-segment-serial-display-blue.html.md))

4-digit 7-segment displays are really neat little devices, it’s a shame that they can be so cumbersome to control. Well we’ve solved that problem by making them a little bit “smarter.” The 7-Segment Serial Display combines a classic 4-digit 7-segment display and an ATMega328 microcontroller allowing you to control every segment individually using only a few serial lines.

## Pricing

- **Price:** $28.45 (inc GST) — $25.86 AUD, exc GST
- **Quantity discounts:** 5+ $25.09 (exc GST) · 25+ $24.57 (exc GST) · 100+ $23.54 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 24 and Aug 28.

## How to buy

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- **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

4-digit 7-segment displays are really neat little devices, it's a shame that they can be so cumbersome to control. Well we've solved that problem by making them a little bit “smarter.” The 7-Segment Serial Display combines a classic 4-digit 7-segment display and an ATMega328 microcontroller allowing you to control every segment individually using only a few serial lines.

The Serial 7-Segment Display can be controlled in one of three ways: Serial TTL communication, SPI serial communication or I2C serial. You can even program it for stand-alone operation since the ATMega328 comes pre-loaded with the Arduino bootloader! There is also an FTDI header on board and we've provided a hardware profile for the Arduino IDE to make it even easier to program.

We've made some layout changes to this design as well which will make it easier to incorporate these into your project. We've moved the power and I2C pins to the sides of the board such that you can chain them together in order to display longer strings of digits. We've also added mounting holes to the boards so you can mount them on standoffs (no more hot glue!)

**Dimensions:** 41mm x 23mm (1.6in x 0.9in)

**Features:**

- 4 digit blue alpha-numeric display with TTL, SPI or I2C Serial Interface
- Display numbers, most letters, and a few special characters
- Individual control of decimal points, apostrophes, and colons
- Selectable baud rate
- Selectable brightness
- Baud rate and brightness values retained in non-volatile memory
- Individual segment control for each digit
 
**Documents:**

- [Schematic](https://core-electronics.com.au/attachments/localcontent/Serial-7-Segment-Display-v31_4230375c9ad.pdf)
- [Eagle Files](https://core-electronics.com.au/attachments/localcontent/Serial-7-Segment-Display-v31_82376ae9737.zip)
- [Datasheet](https://github.com/sparkfun/Serial7SegmentDisplay/wiki/Serial-7-Segment-Display-Datasheet)
- [Hookup Guide](https://learn.sparkfun.com/tutorials/using-the-serial-7-segment-display/introduction)
- [Arduino Add-On](https://core-electronics.com.au/attachments/localcontent/7-SegmentDisplay_Arduino_addon_11074591c5f.zip)
- [Github Repo](https://github.com/sparkfun/Serial7SegmentDisplay)
 
**Replaces:**[COM-009765](https://core-electronics.com.au/search/?q=09765)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/7/-/7-segment_serial_display_-_blue__com-11442__01.jpeg)