NOTE

Version V2.0 (blue PCB)

If you want a mounted version, or complete kit, please refer to this product Assembled Version

What is it?

this board can be connected to an expansion connector of the WT32-SC01 from Wireless-Tag (c) http://www.wireless-tag.com/portfolio/wt32-sc01/

Features supported by the PCB:

• New LiPo - LiIon battery charger with overcharge and over-discharge protection and 4 Status Leds
• 2 push buttons allowing deep-sleep wake-up (2 models of push button allowed)
• Push button Power Switch
• DS3121M / DS3232 / PCF8563 RTC clock
• CR1220 RTC backup OR SuperCapacitor
• Micro SD connector
• MCP4725 DAC + Speaker amplifier
• I2C, IO, Control, Power connectors
• Micro USB connector for battery charging
• Power LED

The PCB dimensions and holes fit to the WT32-SC01's.

Demo Source Code

The demo source code tests all the board's feature. The testing code is provided "as is" and it includes :

• DAC setup and test
• Basic GUI with buttons and actions control
• I2C scanner
• JPEG decoder and display
• SD Card files access
• SPIFF files access
• RTC management
• Web Server with WiFi settings and control
• LVGL graphical interface compatible

Note : check the code to modify and adjust for your testing. The "Display Picture" feature loads by defaut "logo.jpg" from the SD Card