Waveshare 4-ch Current/Voltage/Power Monitor HAT for Raspberry Pi, I2C/SMBus

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SKU: rz24310968 Category: Raspberry Pi Hats

Description

This is a 4-ch current and power monitor HAT designed for Raspberry Pi. Via the I2C or SM Bus interface, it is easy to monitor each channel’s current, voltage, and power consumption, as well as the voltage between both sides of the sampling resistor. This is a 4-ch current and power monitor HAT designed for Raspberry Pi. Via the I2C or SM Bus interface, it is easy to monitor each channel’s current, voltage, and power consumption, as well as the voltage between both sides of the sampling resistor.

This module can be used to test currents and voltages of four channels, they are (IN1+ IN1-), (IN2+ IN2-), (IN3+ IN3-) and (IN4+ IN4-). INx+ is the current input, and INx- is the current output. Module measure the differential voltage of the sample resistor connected between INx+ and INx-, with the voltage we can measure the working current. The module supports measuring bidirectional current, so users can invert the input and output.

Features:

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
4-ch monitoring, via I2C/SM Bus interface
Onboard 0.1Ω 1％ sampling resistor, allows measuring bi-directional current up to 3.2A
Embedded 12-bit ADC, supports multiple successive converting, 0~26V voltage measuring range
Directly calculate and output measured power value through additional multiply register
I2C control pins for connecting with other host boards
Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

Package Include:

1 X Current/Power Monitor HAT

1 X 2x20PIN female pin header

1 X RPi screws pack (2pcs)

Additional information

Operating voltage	3.3V/5V
Control interface	I2C/SM Bus
Sampling resistor	0.1Ω 1%
Voltage range	0~26V
Current range	±3.2A
Resolution	0.8mA (±3.2A range) OR 0.1mA (±400mA range)
Mounting hole	3.0mm
Dimensions	65mm × 30mm

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6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
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7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

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