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Wireless-tag WT32-SC01 User Manual

Wireless-tag WT32-SC01
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WT32-SC01 Datasheet
Version V3.3-2
Wireless-tag
2020-12-04
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Wireless-tag WT32-SC01 Specifications

General IconGeneral
BrandWireless-tag
ModelWT32-SC01
CategoryMotherboard
LanguageEnglish

Summary

Overview

Board Size

Details the physical dimensions and mounting hole specifications of the WT32-SC01 development board.

Hardware Resource

ESP32-WROVER-B Module

Describes the ESP32-WROVER-B module, its Wi-Fi/BT capabilities, and memory configuration (Flash/PSRAM).

TP Interface

Specifies the capacitive touchpad interface, including I2C, pin count, and spacing.

LCM Display Interface

Details the 3.5-inch LCM display, its SPI interface, resolution, and screen model.

Power Management

Explains the board's 3.3V power supply and its isolation for system stability.

External Power Interface

Defines the external power input, specifying voltage range (5-9V) and current recommendations.

RST Key

Describes the function of the RST key, used to reset the ESP32 EN pin.

Type-C Interface

Details the USB Type-C interface for power, UART communication, and firmware downloads.

Expansion Board Interface

Covers the 2x20Pin expansion interfaces for adding functionality.

Power Indicator

Explains the red LED power indicator that lights up when the USB cable is connected.

UART Communication Indicator

Describes the TXD and RXD indicators that flash during UART data flow.

SMD-RAP

Specifies the suitability of SMD-RAP for M3 screws and provides dimensions.

Power On Instructions

Power Supply

Recommends input current for USB-C (1A/2A) and external power (5-9V, >2A).

Precautions

Advises on FPC cable insertion and testing TestPad voltages for abnormal behavior.

Board Electrical Parameters

Test Environment

Specifies operating conditions: 25°C ambient temperature and 5.0V voltage ripple < 100mA.

Test Parameters

Lists normal working current (240mA) and sleep current (<18mA) as average values.

Circuit Schematic

Firmware Burning

Step One

Connect WT32-SC01 to PC via USB-C for automatic firmware download.

Step Two

Configure download tool: address, clock, flash size, SPI mode, COM port, baud rate.

Step Three

Press the reset button to run the newly burned firmware.

Function Development

Screen Brightness Adjustment

Control LCD backlight on/off or brightness using GPIO23 via PWM modulation.

Graphical Interface Development

Develop GUIs using an online platform similar to MIT App Inventor for rapid development.

Blockly Development

Refer to the provided link for the Blockly development manual for visual programming.