Hw-044 Datasheet |verified|

+---------------------------+ | HW-044 MODULE | | | [ MCU TTL SIDE ] | +---------------+ | [ RS232 SIDE ] (3.3V / 5V) | | MAX3232 IC | | (±12V Signal) | | | | VCC ------------+---->| VCC | | GND ------------+---->| GND | | MCU_RX <-----------+-----| T1OUT R1IN |<----+------- DB9 Pin 2 (TXD) MCU_TX ------------+---->| T1IN R1OUT |-----+-------> DB9 Pin 3 (RXD) | +---------------+ | DB9 Pin 5 (GND) +---------------------------+

| Pin | Label | Function | | :--- | :--- | :--- | | 1 | | Digital Output (HIGH when touched, LOW when idle) | | 2 | VCC | Power Supply (3.3V or 5V) | | 3 | GND | Ground | hw-044 datasheet

Will your project require the battery to ? Share public link +---------------------------+ | HW-044 MODULE | | | [

The HW-044 module features input pads on one side and output/battery pads on the other. Input Side hw-044 datasheet