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

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)