> **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

# Gravity: Digital 1-to-8 I2C Multiplexer

**Type:** Product page · **SKU:** DFR0576 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/gravity-digital-1-to-8-i2c-multiplexer.html ([markdown](https://core-electronics.com.au/gravity-digital-1-to-8-i2c-multiplexer.html.md))

On the same I2C port, DFRobot Gravity: I2C Multiplexer solves the address conflict and enables the normal communication with multiple same-address I2C devices. You...

## Pricing

- **Price:** $11.65 (inc GST) — $10.59 AUD, exc GST
- **Quantity discounts:** 6+ $10.06 (exc GST) · 12+ $9.64 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 4 today, and up to 500 more in 8–12 days.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=DFR0576:1` (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/DFR0576:1.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

**Introduction**

 On the same I2C port, DFRobot Gravity: I2C Multiplexer solves the address conflict and enables the normal communication with multiple same-address I2C devices. You just found the sensor you needed, and you want to wire up two or more to the I2C port of your main board, but later you realized that they have the fixed I2C address! That is, you can not directly use them on the same I2C port! Are you out of luck? Now don’t worry! DFRobot Gravity: I2C Multiplexer can easily solve the address conflict on the same I2C port. This I2C multiplexer is easy to use, plug and plug and no need to weld. 1 multiplexer has 8 I2C ports, this means you can hook up 8 same-address devices at the same I2C port by 1 multiplexer . The default I2C address of the multiplexer is 0x70, and you can adjust from 0x70 to 0x77. In theory, you could hook up 8 multiplexers on address 0x70~0x77 , to control 64 same-address devices. So powerful!

![](https://core-electronics.com.au/attachments/localcontent/DFR0576-Connection_91748b74ebb.jpg) ![](https://core-electronics.com.au/attachments/localcontent/DFR0576-Application_94458bcd893.jpg) **FEATURES**

- 3.3~5.0V wide operating voltage
- 3.3V I2C digital level, optimized for 3.3V main control board such as Raspberry Pi, and also compatible with 5V main control board such as Arduino UNO
- Gravity I2C Connector, plug and play, no welding
- On-board I2C address dial switch, the I2C address can be set
- Support the cascade of 8 multiplexer on address 0x70~0x77
- 4pin color-coded headers, simple and clear
 
 **Specification**

- Operating Voltage: 3.3~5.0V
- Connector Type: PH2.0-4P
- Interface Level: high 3.3V, low 0V
- Interface Protocol: I2C(IIC)
- I2C Clock Rate: 100K, 400K
- I2C Port Quantity: 8
- Default I2C Address: 0x70 (dial switches all to 0)
- I2C Address Range: 0x70~0x77
- Dimension: 32\*32mm / 1.26\*1.26in
 
 **Documents**

10. [Product wiki](https://www.dfrobot.com/wiki/index.php/Gravity:_Digital_1-to-8_I2C_Multiplexer_SKU:DFR0576)
11. [More Documents](https://www.dfrobot.com/wiki/index.php/Gravity:_Digital_1-to-8_I2C_Multiplexer_SKU:DFR0576#More_Documents)
 **Parts List**

- Gravity: Digital 1-to-8 I2C Multiplexer x1
- Gravity 4pin UART/I2C Cable x1
- XH2.54-5pin Header x1

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/f/dfr0576-900x600.jpg)