mirror of
https://github.com/m5stack/m5-docs.git
synced 2026-05-20 10:23:01 -07:00
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:memo:**[Description](#Description)** :octocat:**[Example](#Example)** 🛒**[Purchase](https://www.aliexpress.com/store/productM5Stack-Official-NeoPixel-RGB-LEDs-Cable-SK6812-with-GROVE-Port-2m-1m-50cm-20cm-10cm/3226069_32950831315.html?spm=a2g1x.12024536.productList_5885013.pic_0)** :clapper:**[Related Video](#Related-Video)**
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:memo:**[Description](#Description)** :electric_plug:**[Schematic](#Schematic)** 🛒**[Purchase](https://www.aliexpress.com/store/productM5Stack-Official-NeoPixel-RGB-LEDs-Cable-SK6812-with-GROVE-Port-2m-1m-50cm-20cm-10cm/3226069_32950831315.html?spm=a2g1x.12024536.productList_5885013.pic_0)** :octocat:**[Code](#Code)**
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## Description
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- Datasheet - **[TCA9548A](http://www.ti.com/lit/ds/symlink/tca9548a.pdf)**
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## Driver Protocol
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## Code
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- protovol type - I2C
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- address - 0x77
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+2
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:memo:**[Description](#Description)** :bulb:**[Assembly](#Assembly)** 🛒**[Purchase](https://www.aliexpress.com/store/product/M5Stack-Official-Rubber-Band-Powered-Butterfly-Launcher-with-SERVO-control-and-GROVE-Cable-Adapter-Children-s/3226069_32956965036.html?spm=2114.12010615.8148356.2.486b2682Z5xogF)** :clapper:**[Related Video](#Related-Video)**
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:memo:**[Description](#Description)** :electric_plug:**[Schematic](#Schematic)** 🛒**[Purchase](https://www.aliexpress.com/store/product/M5Stack-Official-Rubber-Band-Powered-Butterfly-Launcher-with-SERVO-control-and-GROVE-Cable-Adapter-Children-s/3226069_32956965036.html?spm=2114.12010615.8148356.2.486b2682Z5xogF)** :octocat:**[Code](#Code)**
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## DESCRIPTION
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*Notice: Please pay attention to the channel order while programing*
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- Two Lego-compatible holes
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- 1-To-6
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## Product Features
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- Single-Bus GROVE PORTB Expander
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- Two Lego-compatible holes
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- Nested allowed
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- 1-To-6
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### Kit includes
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- 1x PbHUB Unit
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<img src="assets/img/product_pics/unit/pbhub/pbhub_sch.jpg">
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## Driver Protocol
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## Code
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- Driver firmware - **[PbHUB](https://github.com/m5stack/PbHUB/tree/master/PortB_HUB/Firmware)**
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- Test code - **[PbHUB](https://github.com/m5stack/PbHUB/tree/master/PortB_HUB)**
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## Schematic
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<img src="assets/img/product_pics/unit/pbhub/pbhub_sch.png">
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