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WT32-SC01

12/14

Wireless-Tag Technology Co., Limited

http://www.wireless-tag.com

Function Development

、

Screen Brightness Adjustment

As shown in Figure 8-1, GPIO23 of ESP32 is a pin to control the LCD backlight, Users can control the
backlight on and off through IO23 or adjust the backlight brightness of the LCD through PWM
modulation.

Figure 8-1: LCD backlight control diagram

Содержание WT32-SC01

Страница 1: ...WT32 SC01Datasheet Version V3 3 2 Wireless tag 2020 12 04 ...

Страница 2: ...ngement of any patent rights arising from the use of the information in this document This document does not hereby grant any license for the use of intellectual property whether express or implied by estoppel or otherwise It is hereby declared that all trade names trademarks and registered trademarks mentioned herein are the property of their respective owners Historical version Version Author Da...

Страница 3: ... Interface 3 8 9 Expansion Board Interface 3 10 Power Indicator 4 11 UART Communication Indicator 4 12 SMD RAP 4 POWER ON INSTRUCTIONS 6 1 Power supply 6 2 Precautions 6 BOARD ELECTRICAL PARAMETERS 7 CIRCUIT SCHEMATIC 8 FIRMWARE BURNING 10 1 Step One 10 2 Step Two 10 3 Step Three 10 FUNCTION DEVELOPMENT 12 1 Screen Brightness Adjustment 12 2 Graphical Interface Development 13 3 Blockly Development...

Страница 4: ...ent board adopts esp32 wrover b module this module is a general purpose WiFi BT BLE MCU module 4MB SPI flash and 8MB PSRAM are configured in WT32 SC01 development board can also develop and debug functions such as buttons voice and camera through the expansion interfaces on both sides greatly shorten the development cycle of users Board Size As shown in the figure below is the dimension diagram of...

Страница 5: ...ith a resolution of 320x480 and a capacitive touch pad and it Supports two touch Figure 3 is the physical figure on the back of the development board which contains the following hardware resources 1 ESP32 WROVER B Module Esp32 wrever b is a Wi Fi Bt ble MCU module for all kinds of applications It has powerful functions and wide applications It can be used in low power sensor networks and demandin...

Страница 6: ...n board The power supply is separated to prevent the expansion board from interfering with the power supply of esp32 it ensures the stability of the esp32 5 External power interface Reserved external power interface positive and negative as shown in sign on the figure input voltage range 5v 9v maximum load current I 2A 6 RST Key Touch the self reset button to connect to the EN pin of ESP32 This bu...

Страница 7: ...ections Simultaneously When the IO of the two expansion boards does not conflict two expansion boards can be inserted at the same time to achieve two expansion functions Expansion board interface specifications 2 0mm pitch 2X20Pin can be installed on both sides of the horizontal row The interface definition is shown in Figure 3 Extended Edition Interface Definition Diagram 10 Power Indicator The p...

Страница 8: ...WT32 SC01 5 14 Wireless Tag Technology Co Limited http www wireless tag com Figure 3 1 Front view of WT32 SC01 development board Figure 3 1 Rear view of WT32 SC01 development board ...

Страница 9: ...nsumption of the expansion board for details Note When the external power supply is provided through the reserved power interface the power supply voltage input range is 5V 9V and the load current is recommended to be I 2A 2 Precautions Please make sure that the FPC cables of the TP and LCM screens have been inserted into the corresponding FPC sockets before powering on the development board other...

Страница 10: ...e power supply of the development board Figure 4 1 Schematic diagram of power supply test points of the development board Board Electrical Parameters Test environment 1 Temperature Room temperature 25 2 Power supply 5 0V Voltage ripple V 100mA Test parameters 1 Normal working current 240mA Average current 2 Working current under sleep Less than 18mA Average current ...

Страница 11: ...WT32 SC01 8 14 Wireless Tag Technology Co Limited http www wireless tag com Circuit Schematic Figure 6 1 Schematic diagram one Figure 6 2 Principle 2 ...

Страница 12: ...WT32 SC01 9 14 Wireless Tag Technology Co Limited http www wireless tag com Figure 6 3 Schematic diagram three Schematic diagram 4 ...

Страница 13: ...0X00 After setting remember to tick the front Select the system clock to be 40MHz at 2 locations Choose the size of Flash as 32Mbit in 3 places Select SPI MODE as DIO mode at 4 places Select the port number of the current board recognized by the computer at 5 Select the serial port baud rate at 6 places the larger the value the faster the firmware download rate and the maximum support is 1152000bp...

Страница 14: ...WT32 SC01 11 14 Wireless Tag Technology Co Limited http www wireless tag com Figure 7 1 Burning instructions ...

Страница 15: ... Development 1 Screen Brightness Adjustment As shown in Figure 8 1 GPIO23 of ESP32 is a pin to control the LCD backlight Users can control the backlight on and off through IO23 or adjust the backlight brightness of the LCD through PWM modulation Figure 8 1 LCD backlight control diagram ...

Страница 16: ...ar to MIT APP Inventor it realizes the rapid development of building blocks At present the platform has improved the development of graphical interface more driver code blocks will be continuously improved in the future The login URL of the online platform is as follows http esp32 8ms xyz login Figure 8 2 Platform development interface one Figure 8 2 Platform development interface two ...

Страница 17: ... Wireless Tag Technology Co Limited http www wireless tag com Figure 8 3 Platform development interface three 3 Blockly Development Please refer to the following link and then find 8ms Manual Blockly https doc 8ms xyz ...

Страница 18: ...WT32 SC01 15 14 Wireless Tag Technology Co Limited http www wireless tag com ...

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