M5Stack Unit Analog to I2C 4-20mA Current Input

The M5Stack Unit Analog to I2C 4-20mA Current Input is a high-performance single-channel module for measuring analog current signals in the range of 4 to 20mA. Powered by the main control chip STM32G030F6, it enables seamless communication with the M5Stack host via I2C, ensuring efficient and reliable data transmission. This module offers flexibility in wiring options and allows users to switch between internally or externally powered configurations using jumper caps. Equipped with an onboard current isolation chip and built-in operational amplifier circuit, the AIN4-20mA unit ensures accurate measurement of external current sensors while maintaining signal accuracy and system safety.

Features:

• STM32G030F6 32-bit Cortex-M0+ CPU for powerful control
• I2C communication for easy integration into existing systems
• Supports 2- or 4-wire sensors, switchable through jumper caps
• Built-in galvanic isolation chip for safe separation of circuits
• Supported programming platforms Arduino and UIFlow

Documentation: 

• Quick Start Guide
• Arduino GitHub
• Official M5Stack Forum

Technical Specifications:

• Manufacturer: M5Stack
• Manufacturer SKU: U162
• MCU: STM32G030F6 (64 Kbytes Flash/8 Kbytes SRAM)
• Current isolation chip: HCNR200
• Operational amplifier chip: SGM321YC5/TR
• I2C address: 0x55
• Dimension:136 x 92 x 13mm
• Weight: 17.2g

Package Includes:

• 1x M5Stack Unit Analog to I2C 4-20mA Current Input
• 1x VH3.96-4.0P Connector
• 1x Grove Cable (20cm)
• 3x Jumpers