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  • Raspberry Pi Power-Management-HAT
  • Raspberry Pi Power-Management-HAT
  • Raspberry Pi Power-Management-HAT
  • Raspberry Pi Power-Management-HAT

Programmable Power Management HAT for Raspberry Pi

$24.95
SKU:
WVS-17210
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Product Description

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The Power Management HAT is a smart power bank designed for the Raspberry Pi. With its onboard Arduino MCU and RTC, the HAT features auto power management function, which enables the Raspberry Pi to operate more power-efficient and safely.

If you are looking for a variety of useful utilities for your long-term working Raspberry Pi, such as longer battery life, or auto power on-off control, this Power Management HAT is a great choice.

By auto-starting upon a specified period, and auto-shutdown at another time, the HAT can significantly conserve battery life. It monitors the operating voltage and the current status of the Raspberry Pi in real-time and can be configured to shut the Pi down according to the operating status. Furthermore, it comes with a handy power switch for easy on or off (safe shutdown per software) to avoid data loss caused by an uncontrolled power shutdown.

Features

  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
  • Onboard ATmega328P MCU, supports Arduino programming
  • Onboard PCF8523 RTC chip, provides precise RTC information
  • Onboard CP2102 UART converter, for UART communication or ATmega328P programming
  • User-defined button, can be used for Raspberry Pi start up, safely shutdown, or other customized function
  • Protection circuits such as: power supply anti-reverse, counter current proof, etc. ensures stable and safe operating
  • Voltage/current monitoring circuit, monitors the Raspberry Pi operating voltage and current in real time
  • Comes with development resources and manual

Specifications

  • Controller: ATmega328P-AU
  • Communication interface: UART + GPIO
  • Baudrate: 115200bps by default (programmable)
  • Power supply interface: USB port or PH2.0 connector
  • USB power input voltage: 5V
  • PH2.0 power input voltage: DC 7~28V (regulated power supply or lithium battery)
  • Embedded circuits: power supply anti-reverse, counter current proof, voltage monitoring, current monitoring
  • Mounting hole size: 3.0mm

Board Components

Raspberry-Pi-Power-Management-HAT-Components

  1. ATmega328P-AU MCU
  2. MP1584 power manager
  3. PCF8523 RTC chip
  4. CP2102 UART converter
  5. CAT24C32: EEPROM storage chip
  6. Raspberry Pi GPIO connector: for connecting Raspberry Pi
  7. PH2.0 connector: for 7~28V regulated power supply or lithium battery
  8. USB TO UART: for power input or UART communication
  9. DEBUG switch:
    DEBUG side: power supply will bypass the Arduino and directly provides to Raspberry Pi
    the opposite side: power supply is managed by Arduino
  10. PWR button: for Raspberry Pi power on/off, or user-defined function
  11. RST button: Arduino reset
  12. Status indicator
  13. Power indicator
  14. CR1220 button battery holder
  15. UART selection:
    A: access Arduino via USB to UART
    B: control the Raspberry Pi by Arduino
    C: access Raspberry Pi via USB to UART

Application Example

(Battery not included in scope of delivery)

Power Management HAT for Raspberry Pi - Application Example

Power Management HAT for Raspberry Pi - Dimensions

Power Management HAT for Raspberry Pi - Dimensions

Power Management HAT for Raspberry Pi - Development Resources


Arduino Cookbook by Michael MargolisArduino Cookbook

Want to create devices that interact with the physical world? This cookbook is perfect for anyone who wants to experiment with the popular Arduino microcontroller and programming environment. You wi€™ll find more than 200 tips and techniques for building a variety of objects and prototypes such as toys, detectors, robots, and interactive clothing that can sense and respond to touch, sound, position, heat, and light.

You don'€™t need experience with Arduino or programming to get started. Updated for the Arduino 1.0 release, the recipes in this second edition include practical examples and guidance to help you begin, expand, and enhance your projects right away, whether you a€™re an artist, designer, hobbyist, student, or engineer.

  • Get up to speed on the Arduino board and essential software concepts quickly
  • Learn basic techniques for reading digital and analog signals
  • Use Arduino with a variety of popular input devices and sensors
  • Drive visual displays, generate sound, and control several types of motors
  • Interact with devices that use remote controls, including TVs and appliances
  • Learn techniques for handling time delays and time measurement
  • Apply advanced coding and memory handling techniques

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