# Current/Voltage/Power Monitor HAT for Raspberry Pi (4 Channel)

**Type:** Product page · **SKU:** WS-17539 · **Brand:** [Waveshare](https://core-electronics.com.au/brands/waveshare-in-australia)
**Page:** https://core-electronics.com.au/4-channel-current-voltage-power-monitor-hat-raspberry-pi-i2c-waveshare.html ([markdown](https://core-electronics.com.au/4-channel-current-voltage-power-monitor-hat-raspberry-pi-i2c-waveshare.html.md))

4-channel current, voltage and power monitoring HAT for Raspberry Pi with I2C interface and 0–26V range.

## Pricing

- **Price:** $30.90 (inc GST) — $28.09 AUD, exc GST
- **Quantity discounts:** 10+ $26.96 (exc GST) · 25+ $26.13 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 2 today, and up to 300 more in 12–19 days.

## Description

Monitor up to four channels of voltage, current and power simultaneously on your Raspberry Pi with this 4-channel HAT. Its on-board ADC and precision shunt resistors provide accurate, bi-directional current sensing and direct power calculation over I²C/SMBus.

### Specifications

- **Operating Voltage:** 3.3 V / 5 V
- **Control Interface:** I²C / SMBus
- **Sampling Resistor:** 0.1 Ω ±1%
- **Voltage Range:** 0 – 26 V
- **Current Range:** ±3.2 A
- **Resolution:**
    
    
    - 0.8 mA (±3.2 A range)
    - 0.1 mA (±400 mA range)
- **Dimensions:** 65 × 30 mm
- **Mounting Hole Diameter:** 3.0 mm
 
### Dimensions

![](https://core-electronics.com.au/media/wysiwyg/Current-Power-Monitor-HAT-details-size.jpg)

### Documentation

- Wiki
 
### What’s Included

- 1 x Current/Power Monitor HAT
- 1 x 2×20 pin female pin-header
- 1 x Fastener pack

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/W/S/WS-17539-1.jpg)