Tindie

16 GPIO lines extension board, Arduino, ESP8266

16bit I/O expander I2C bus board - increase the number of the GPIO lines for your Arduino, ESP8266, ARM or any other MCU you use these days

Designed by NextEVO, Ships from Romania

16 GPIO lines extension board, Arduino, ESP8266 1

16 GPIO lines extension board, Arduino, ESP8266 2

16 GPIO lines extension board, Arduino, ESP8266 3

2016-09-27T11:50:06.492Z-PCF8575_v3.5c_top_full_1.jpg

2016-09-27T11:50:06.492Z-PCF8575_v3.5c_bottom_full_1.jpg

2016-09-27T11:50:06.492Z-PCF8575_16bit_IO_Multi_PCB_6_full_1.jpg

MPDMv7.5 AC Dimmer DevBoard has been released! For special shipping options, custom orders or any other questions/ please feel free to contact me anytime at: nextevone@gmail.com

16bit I/O expander I2C bus board - increase the number of the GPIO lines for your Arduino, ESP8266, ARM or any other MCU you use these days

What is it? In the situation when you need for your Projects more I/O pins than available on your MCU/Board the simplest solution is to use a "port expander". For higher density number of I/O pins...

What is it?

In the situation when you need for your Projects more I/O pins than available on your MCU/Board the simplest solution is to use a "port expander".

For higher density number of I/O pins or just a compact 16 I/O lines interface using the NXP PCF8575 is a very simple solution and with very low usage of original GPIO pins. Actually you need only 2, for the I2C Bus connection.

This extension board was build to be compatible with any modern MCU, from Atmega, PIC, Arduino, ESP8266 to the huge ARM family. The only thing that you need is to have a MCU/Board that has I2C capabilities.

FEATURES

Operating supply voltage 2.5 to 5.5 V
I2C-bus to parallel port expander (default I2C Address - 0x20 -> 32 decimal)
16-bit remote I/O port for the I2C-bus
Low standby current consumption of 10 uA maximum
400 kbits/s FAST I2C-bus
Open-drain interrupt output - Vcc output resistor (R3) footprint available on board if needed
Compatible with most microcontrollers
Latched outputs with high current drive capability for directly driving LEDs
Address by 2 hardware address jumpers (SJ1, SJ2) for use of up to 4 devices for a total number of 64 GPIO pins!
I2C Bus termination resistors (R1, R2) pads available if termination needed.