1、This product is suitable for Raspberry Pi current and power monitor, can monitor the current, voltage, power, voltage across the sampling resistor through the I2C/SMBus interface 2、Based on for Raspberry Pi 40pin GPIO interface, suitable for Raspberry Pi series motherboards 3、The product support 4-channel detection, communication via I2C/SMBus interface 4、Onboard 0.1 ohm 1% sampling resistor, can measure bidirectional current, measuring current up to 2A 5、Built‑in 12‑bit ADC, can set continuous multiple conversion, the measurement voltage range supports 0~26V 6、The output measurement power can be directly calculated through the additional multiplication register 7、Leads out the I2C control interface for easy access to other main control boards 1 x Sense HAT for Raspberry Pi1 x Pin Header3 x Screw3 x Nut2 x Connection Column Item Type: Sense HAT for Raspberry PiWorking Voltage: 3.3V/5VControl Interface: I2C/SMBusSampling Resistance: 0.1 ohm 1%Voltage Range: 0~26VCurrent Range: ± 3.2AResolution: 0.8mA (range ± 3.2A) or 0.1mA (range ±400mA)Through Hole Diameter: Approx. 3.0mm / 0.1in