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WAVESHARE

Waveshare Serial Expansion HAT for Raspberry Pi

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Multi-Brand Raspberry Pi Add on Boards (HATs) for everyday users

The Waveshare Serial Expansion HAT for Raspberry Pi by WAVESHARE is a mid-range multi-brand raspberry pi add on boards (hats) designed for everyday users. It features Item Type: HAT and Compatibility: Pi Series.

₹1,607
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Total: ₹1,607
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Estimated delivery: 16 Aug30 Aug
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Quick Specs

Item Type: HAT
Compatibility: Pi Series
HAT Type: Expansion HAT
Operating Voltage (VDC): 3.3
Expansion chip: SC16IS752
Interface: I2C

Ideal For

Everyday convenience
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About This Product

The Waveshare Serial Expansion HAT for Raspberry Pi by WAVESHARE is a mid-range multi-brand raspberry pi add on boards (hats) designed for everyday users. It delivers reliable performance at an accessible price.

Key Specifications

  • Item Type: HAT
  • Compatibility: Pi Series
  • HAT Type: Expansion HAT
  • Operating Voltage (VDC): 3.3 — works with standard household power
  • Expansion chip: SC16IS752
  • Interface: I2C — compatible with modern devices
  • Mounting Hole Diameter (mm): 3
  • Length (mm): 65

Why Buy from Pricio?

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There is only a 1-ch UART port on the original Raspberry Pi, once it is used for terminal debugging, no other serial device is allowed. What a poor situation. Now you have 2-ch extra UART, plus 8 programmable GPIOs, just bring this Serial Expansion HAT. The SC16IS752 is an I2C-bus/SPI bus interface to a dual-channel high-performance UART. It also provides the application with 8 additional programmable I/O pins. This module uses an I2C interface by default, and its device address is hardware configurable by A0 and A1.

Features:

  1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
  2. Onboard SC16IS752, expands 2-ch UART and 8 programmable GPIO through I2C, no extra pin required
  3. It is stackable up to 16 this module by setting the address jumper, which means up to 32-ch UART
  4. Onboard multi LEDs for indicating the UART working status
  5. Reserved I2C control pins, allows working with other control boards
  6. Comes with development resources and manual (examples in C and python)

Package Includes:

1 x Serial Expansion HAT

1 x RPi screws pack (2pcs)

1 x PH2.0 6PIN wire

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.