NOTE

New version V1.2 now available (purple)

You you want PCB only, please refer to this product : PCB Only

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

• 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
• Micro SD connector
• I2C, IO, Control, Power connectors
• Micro USB connector for battery charging

Assembly Features

• Default : the PCB is provided by default with the following components :
• IP5306 Li-Ion charger and Power supply + All passive components
• All Connectors + Push Buttons
• micro-USB
• microSD support

The following additional options are available - PCF8563 RTC + CR1220 backup (OR) - PCF8563 RTC + SuperCapacitor backup - Audio Amplifier (Not compatible with IO4 connected to Buzzer) - Buzzer (Not compatible with IO4 connected to audio amplifier)

Options

• DS3121M RTC Support
• DS3131M RTC Support
• PCF8563 RTC Support
• CR1220 battery RTC clock backup
• 0.5F RTC clock backup
• MCP4725 DAC
• Speaker amplifier
• Buzzer

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