MAKERFACTORY M5Stack I/O Expander User guide [ml]
BN 2108272
M5Stack I/O Expander
EN Quick Instru ctions
Version: 1
Delivery Content
l Unit
l Grove c able
Development Resources
Development resources and additional product information are available from:
https: //www.conrad.de/ https: //docs.makerfactory.io/
Description
The unit is a GPIO expander. With simple I2C commands you can
have up to 8 GPIOs.
The unit integrates a PCA9554PW 8-bit I/O expander.
The expander is designed f or 2.3 - 5.5 V VCC open drain active-low
interrupt output operation and provides general-purpose remote I/O
expansion for most microcontroller families via the I2C interface
(Address: 0x27).
Features
l Expanded I/Os: 8
l Grove int erf ace
1
l Support UIFlow and Arduino®
l Two Lego compatible holes
Pinout / Pin Map
M5Core GPIO22 GPIO21 5V GND
Unit SCL SDA 5V GND
Specifications
Input Voltage 5 V/DC
Protocol I2C (Address: 0x27)
Dimensions (approx.)
Weight (approx.) 4.9 g
32.2 x 24.2 x 11.3 mm
(W x D x H )
Disposal
Electronic devices are recyclable waste and must not be disposed of in the household waste.
At the end of its service life, dispose of the product in
accordance with applicable regulatory guidelines.
You thus fulfill your s tatutory obligations and contribute to the protection of the environment.
Legal Notice
This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method,
e.g. photocopy, microfilming, or the capture in electronic data processing syst ems require the prior written approval by the editor.
Reprinting, also in part, is prohibited.
This publication represent the technical status at the time of printing.
Copyright 2019 by Conrad Electronic SE.
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