Card based to ESP32 Wroom 32D
Micro USB Interface Power & Serial
2.2 Inch ( 240x230 ) Color LCD Screen
Micro SD Card Reader ( SPI )
3.7v LiPo Battery Port
Real Time Clock ( I2C )
Selection button x 4 ( I2C over I2C GPIO Extender)
External Reset Port ( SWITCH )
External Analogic Input X 2
External Optocoupled Digital Input X 4
External Optocoupled Digital Output X 4
External I2c Port...
A compact USB powered audio player module with up 32GB capacity using removable Micro SD cards. Quickly update audio content using drag and drop interface, since the module acts like an external USB drive when connected to a computer. Available in two different models, photoresistor or button switch, to control audio play.