WT32-SC01 Extension Board

this board is ready to be plugged one of the WT32-SC01 from Wireless-Tag (c) http://www.wireless-tag.com/portfolio/wt32-sc01/

It includes the following features:

• New LiPo - LiIon battery charger with overcharge and overdischarge protection
• 4 power status LEDs (0 to 100%)
• 2 push buttons with sleep and deep sleep capabilities
• DS3121M - DS3231 - PCF8563T RTC clock + backup battery - SuperCapa
• Micro SD connector
• MCP4725 DAC + LM386 Speaker amplifier
• I2C, IO, Control and Power extension connectors
• MicroUSB connector for Li-Ion charging
• Buzzer

Demo Source Code

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

• DAC setup and test
• Basic GUI with buttons and actions control
• I2C scanner
• JPEG decoder and display
• SD Card files acces control
• SPIFF files acces control
• RTC management
• Web Server with WiFi settings and control
• ...

Note : check the code to mofidy and adjust for your testing. The "Display Picture" feature loads by defaut "logo.jpg" from the SD Card The source code is provided "as is" as an example. Some adjustments may be required in your configuration to compile

These measurements are performed using the provided test code.

Li-Ion battery Charging Note

The battery cna be charged from several power sources

• Micro USB Connector
• Wireless IQ module
• external power plug

The WT32-SC01 USBC-C connector CANNOT be used to charge the Li-Ion battery.

Important Notice : Power OFF the on board power supply during the

Usefull Links:

https://github.com/bsfconception/WT32-SC01

PCB Only : https://www.tindie.com/products/28469/

Assembled board : https://www.tindie.com/products/26898/