Gravity: MCP23017/CH423 I2C 16/24 Digital IO Expansion Module Witty Fox - ESP32 Storm Board with Support for Battery Charging & Wireless Programming mount it securely in the

mount it securely in the equipment panel or enclosure using the provided mounting hardware

combining them with a 19kHz pilot tone to generate a proper stereo multiplex signal that standard FM receivers can decode with full stereo separation

Constant voltage mode is used for non-critical applications like simple LED strips where voltage stability matters more than current precision

Flexible Interface Options: Compatible with SPI and parallel communication protocols

The LED digital display provides real-time temperature feedback

Gravity: MCP23017/CH423 I2C 16/24 Digital IO Expansion Module Witty Fox - ESP32 Storm Board with Support for Battery Charging & Wireless Programming mount it securely in theGravity: MCP23017 CH423 I2C 16 24 Digital IO Expansion Module