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= Product Description = | = Product Description = | ||
* Comes with ESP32-WROOM-32E module, easy development, sufficient development resources | |||
* | * 3.5-inch color screen, 320x480 resolution 65K color, display color rich | ||
* 3. | * Rich interface, easy to connect a variety of peripherals (I2C, SPI, UART,etc.) | ||
* | * Supports external speakers to play audio | ||
* | * Comes with RGB three-color indicator, indicating rich status | ||
* | * Comes with resistive touch screen, easy man-machine interaction | ||
* | * Standard TYPE-C interface for easy program download and power supply | ||
* | * Equipped with micro TF card slot for easy storage expansion | ||
* | * Support external lithium battery, lightweight and portable | ||
* | * Equipped with battery charging management circuit to ensure safe battery charging and discharging | ||
* | * Provide rich example learning programs, easy to learn | ||
* | * Provide low-level driver technical support, and update WIKI information online | ||
* | * Multiple tests for module aging can meet military level standards, supporting long-term stable work | ||
* | |||
= Product Parameters = | = Product Parameters = | ||
== ESP32 Parameters == | |||
== | |||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big> | ! align="center" |'''<big>Name</big>''' | ||
! align="center" |'''<big> | ! align="center" |'''<big>Parameter</big>''' | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Module''' | ||
| align="center" |ESP32-WROOM-32E | | align="center" |ESP32-WROOM-32E | ||
|- | |- | ||
| align="center" |'''CPU''' | | align="center" |'''CPU''' | ||
| align="center" |ESP32-D0WD-V3, | | align="center" |ESP32-D0WD-V3,Xtensa dual-core 32-bit LX6 microprocessor | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Frequency''' | ||
| align="center" | | | align="center" |240MHz(Max) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Memory''' | ||
| align="center" | | | align="center" |48KB ROM+520KB SRAM+16KB RTC SRAM+4MB external QSPI Flash | ||
|- | |- | ||
| align="center" |'''WIFI''' | | align="center" |'''WIFI''' | ||
| align="center" |2. | | align="center" |2.4GHz and 802.11b/g/n modes | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Bluetooth''' | ||
| align="center" | | | align="center" |Bluetooth V4.2BR /EDR and Bluetooth LE standards | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Operating Voltage''' | ||
| align="center" |3.0~3.6(V) | | align="center" |3.0~3.6(V) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Operating Temperature''' | ||
| align="center" |–40~85(℃) | | align="center" |–40~85(℃) | ||
|} | |} | ||
== | == LCD Parameters == | ||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big> | ! align="center" |'''<big>Name</big>''' | ||
! align="center" |'''<big> | ! align="center" |'''<big>Parameter</big>''' | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Panel Size''' | ||
| align="center" |3.5 inch | | align="center" |3.5 inch | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Panel Type''' | ||
| align="center" |TN TFT | | align="center" |TN TFT | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Resolution''' | ||
| align="center" |320xRGBx480(pixels) | | align="center" |320xRGBx480(pixels) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Active Area''' | ||
| align="center" |48.96(W)x73.44(H)(mm) | | align="center" |48.96(W)x73.44(H)(mm) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Number of Colors(Max)''' | ||
| align="center" |16.7M | | align="center" |16.7M | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Driver IC''' | ||
| align="center" |ST7796U | | align="center" |ST7796U | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Display Interface''' | ||
| align="center" |4-Line SPI( | | align="center" |4-Line SPI(Connect to ESP32) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Pixel Size''' | ||
| align="center" |0.153(H)x0.153(mm) | | align="center" |0.153(H)x0.153(mm) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''View Angle''' | ||
| align="center" |12 0’CLOCK | | align="center" |12 0’CLOCK | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Brightness(TYP)''' | ||
| align="center" |300 cd/m<sup>2</sup> | | align="center" |300 cd/m<sup>2</sup> | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Backlight Type''' | ||
| align="center" |White LED*6 | | align="center" |White LED*6 | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Operation Temperature''' | ||
| align="center" | -10~50(℃) | | align="center" | -10~50(℃) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Storage Temperature''' | ||
| align="center" | -20~60(℃) | | align="center" | -20~60(℃) | ||
|} | |} | ||
== | == Touch Screen Parameters == | ||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big> | ! align="center" |'''<big>Name</big>''' | ||
! align="center" |'''<big> | ! align="center" |'''<big>Parameter</big>''' | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Touch Active Area''' | ||
| align="center" |3.5 inch | | align="center" |3.5 inch | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Touch Screen Type''' | ||
| align="center" | | | align="center" |Resistive touch screen | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Touch Screen Resolution''' | ||
| align="center" |320x480(pixels) | | align="center" |320x480(pixels) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Driver IC''' | ||
| align="center" |XPT2046 | | align="center" |XPT2046 | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Touch Screen Visual Area''' | ||
| align="center" |49.50(W)x77.24(H)(mm) | | align="center" |49.50(W)x77.24(H)(mm) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Communication Interface''' | ||
| align="center" |SPI | | align="center" |SPI | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Material''' | ||
| align="center" | | | align="center" |ITO film +ITO glass | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Operation Temperature''' | ||
| align="center" | -10~60(℃) | | align="center" | -10~60(℃) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Storage Temperature''' | ||
| align="center" | -20~70(℃) | | align="center" | -20~70(℃) | ||
|} | |} | ||
== | == Size Parameters == | ||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big> | ! align="center" |'''<big>Name</big>''' | ||
! align="center" |'''<big> | ! align="center" |'''<big>Parameter</big>''' | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''LCD Outline Size''' | ||
| align="center" |55.50±0.2(W)x84.96±0.2(H)x2.5±0.1(D)(mm)( | | align="center" |55.50±0.2(W)x84.96±0.2(H)x2.5±0.1(D)(mm)(Excluding cables and adhesive backing) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Touch Screen Outline Size''' | ||
| align="center" |55.0±0.2(W)x84.36±0.2(H)x1.20 (D)(mm)( | | align="center" |55.0±0.2(W)x84.36±0.2(H)x1.20 (D)(mm)(Excluding cables and adhesive backing) | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Module Outline Size''' | ||
| align="center" |55.50(W)x101.50(H)x5.80(D)(mm) | | align="center" |55.50(W)x101.50(H)x5.80(D)(mm) | ||
|} | |} | ||
== | == Battery Charging Parameters == | ||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big> | ! align="center" |'''<big>Name</big>''' | ||
! align="center" |'''<big> | ! align="center" |'''<big>Parameter</big>''' | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Charging Voltage''' | ||
| align="center" | | | align="center" |Range: 4.2 to 6.5 | ||
Typical value: 5 | |||
|- | |- | ||
| align="center" |''' | | align="center" |'''Charging Current''' | ||
| align="center" | | | align="center" |Max. : 500 | ||
Module Actual value: 290 | |||
|- | |- | ||
| align="center" |''' | | align="center" |'''Charging Saturation Voltage''' | ||
| align="center" |4.24V | | align="center" |4.24V | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Charging Temperature''' | ||
| align="center" | | | align="center" |Module maximum value:62℃ | ||
|- | |- | ||
| align="center" |''' | | align="center" |'''Rechargeable Battery Specifications''' | ||
| align="center" |3. | | align="center" |3.7V polymer lithium battery | ||
|} | |} | ||
== | == Electrical Parameters == | ||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big>名称</big>''' | ! align="center" |'''<big>名称</big>''' | ||
Line 190: | Line 188: | ||
|} | |} | ||
== | == Basic Parameters == | ||
{| class="wikitable prettytable" | {| class="wikitable prettytable" | ||
! align="center" |'''<big>名称</big>''' | ! align="center" |'''<big>名称</big>''' |
Revision as of 19:19, 21 August 2024
Product Picture
E32R35T-TopView
E32R35T-BottomView
Product Description
- Comes with ESP32-WROOM-32E module, easy development, sufficient development resources
- 3.5-inch color screen, 320x480 resolution 65K color, display color rich
- Rich interface, easy to connect a variety of peripherals (I2C, SPI, UART,etc.)
- Supports external speakers to play audio
- Comes with RGB three-color indicator, indicating rich status
- Comes with resistive touch screen, easy man-machine interaction
- Standard TYPE-C interface for easy program download and power supply
- Equipped with micro TF card slot for easy storage expansion
- Support external lithium battery, lightweight and portable
- Equipped with battery charging management circuit to ensure safe battery charging and discharging
- Provide rich example learning programs, easy to learn
- Provide low-level driver technical support, and update WIKI information online
- Multiple tests for module aging can meet military level standards, supporting long-term stable work
Product Parameters
ESP32 Parameters
Name | Parameter |
---|---|
Module | ESP32-WROOM-32E |
CPU | ESP32-D0WD-V3,Xtensa dual-core 32-bit LX6 microprocessor |
Frequency | 240MHz(Max) |
Memory | 48KB ROM+520KB SRAM+16KB RTC SRAM+4MB external QSPI Flash |
WIFI | 2.4GHz and 802.11b/g/n modes |
Bluetooth | Bluetooth V4.2BR /EDR and Bluetooth LE standards |
Operating Voltage | 3.0~3.6(V) |
Operating Temperature | –40~85(℃) |
LCD Parameters
Name | Parameter |
---|---|
Panel Size | 3.5 inch |
Panel Type | TN TFT |
Resolution | 320xRGBx480(pixels) |
Active Area | 48.96(W)x73.44(H)(mm) |
Number of Colors(Max) | 16.7M |
Driver IC | ST7796U |
Display Interface | 4-Line SPI(Connect to ESP32) |
Pixel Size | 0.153(H)x0.153(mm) |
View Angle | 12 0’CLOCK |
Brightness(TYP) | 300 cd/m2 |
Backlight Type | White LED*6 |
Operation Temperature | -10~50(℃) |
Storage Temperature | -20~60(℃) |
Touch Screen Parameters
Name | Parameter |
---|---|
Touch Active Area | 3.5 inch |
Touch Screen Type | Resistive touch screen |
Touch Screen Resolution | 320x480(pixels) |
Driver IC | XPT2046 |
Touch Screen Visual Area | 49.50(W)x77.24(H)(mm) |
Communication Interface | SPI |
Material | ITO film +ITO glass |
Operation Temperature | -10~60(℃) |
Storage Temperature | -20~70(℃) |
Size Parameters
Name | Parameter |
---|---|
LCD Outline Size | 55.50±0.2(W)x84.96±0.2(H)x2.5±0.1(D)(mm)(Excluding cables and adhesive backing) |
Touch Screen Outline Size | 55.0±0.2(W)x84.36±0.2(H)x1.20 (D)(mm)(Excluding cables and adhesive backing) |
Module Outline Size | 55.50(W)x101.50(H)x5.80(D)(mm) |
Battery Charging Parameters
Name | Parameter |
---|---|
Charging Voltage | Range: 4.2 to 6.5
Typical value: 5 |
Charging Current | Max. : 500
Module Actual value: 290 |
Charging Saturation Voltage | 4.24V |
Charging Temperature | Module maximum value:62℃ |
Rechargeable Battery Specifications | 3.7V polymer lithium battery |
Electrical Parameters
名称 | 参数 |
---|---|
工作电压 | 5.0V |
背光电流 | 104mA |
总电流 | ESP32复位:40mA
只有显示屏工作:160mA 显示屏、喇叭、电池充电都工作:510mA |
功耗 | 0.8W(只有显示屏工作) |
Basic Parameters
名称 | 参数 |
---|---|
SKU | E32R35T |
供电接口 | TYPE-C |
重量(包含包装) | 90g |
接口定义
接口功能说明
接口 | 功能说明 |
---|---|
ESP32-WROOM-32E模组 | 显示模块主控,控制板载外设和外接外设。 |
MicroSD卡槽 | 插入Micro SD卡,用来扩展存储空间,例如存放字库、图片、音频文件等大数据内容。 |
RGB三色灯 | 包含红、绿、蓝三种颜色的LED灯,每种灯都可由IO控制,用来指示状态。 |
串口 | 1.25mm 4P座子。可用于串口调试、下载以及通信。需外接USB转串口模块。 |
电池接口 | 1.25mm 2P座子,用于接入3.7V聚合锂电池,
通过电池充电管理电路对电池进行充电,也可用于电池供电。 注意接口正、负极。 |
BOOT按键 | 用于进入下载模式或者按键测试。
按住此按键上电,然后松开可进入下载模式, 或者上电后,按住此按键,再按RESET键,松开RESET键后,再松开此按键,也可以进下载模式。 不需要进入下载模式时,此按键可做普通按键使用。 |
TYPE-C接口 | 用于模块供电和下载程序。此接口和模块上的一键下载电路相连,
可实现自动进入下载模式(无需按BOOT键)。 |
RESET按键 | 用于ESP32主控以及LCD复位,按下后电平复位。 |
扩展输入引脚 | 1.25mm 2P座子。IO35和IO39两个只有输入功能的IO,用于接入输入信号。 |
喇叭接口 | 1.25mm 2P座子。用于接入喇叭播放音频。 |
SPI外设接口 | 1.25mm 4P座子。用于外接SPI通信设备,此SPI接口和MicroSD共用。可做普通IO使用。 |
I2C外设接口 | 1.25mm 4P座子。用于外接IIC通信设备。可做普通IO使用。 |
ESP32引脚分配
板载设备 | ESP32连接引脚 | 板载设备引脚说明 |
---|---|---|
液晶屏 | IO15 | 液晶屏片选控制信号,低电平有效 |
IO2 | 液晶屏命令/数据选择控制信号
高电平:数据,低电平:命令 | |
IO14 | SPI总线时钟信号(液晶屏和触摸屏共用) | |
IO13 | SPI总线写数据信号(液晶屏和触摸屏共用) | |
IO12 | SPI总线读数据信号(液晶屏和触摸屏共用) | |
EN | 液晶屏复位控制信号,低电平复位(和ESP32-32E主控共用复位引脚) | |
IO27 | 液晶屏背光控制信号(高电平点亮背光,低电平关闭背光) | |
电阻触摸屏 | IO14 | SPI总线时钟信号(触摸屏和液晶屏共用) |
IO13 | SPI总线写数据信号(触摸屏和液晶屏共用) | |
IO12 | SPI总线读数据信号(触摸屏和液晶屏共用) | |
IO33 | 电阻触摸屏片选控制信号,低电平有效 | |
IO36 | 电阻触摸屏触摸中断信号,产生触摸时,输入低电平到主控 | |
RGB三色灯 | IO22 | 红色LED灯(共阳极,低电平点亮,高电平关闭) |
IO16 | 绿色LED灯(共阳极,低电平点亮,高电平关闭) | |
IO17 | 蓝色LED灯(共阳极,低电平点亮,高电平关闭) | |
MicroSD 卡 | IO5 | SD卡片选信号,低电平有效 |
IO23 | SD卡SPI总线写数据信号(MicroSD 卡和SPI外设共用) | |
IO18 | SD卡SPI总线时钟信号(MicroSD 卡和SPI外设共用) | |
IO19 | SD卡SPI总线读数据信号(MicroSD 卡和SPI外设共用) | |
音频 | IO4 | 音频使能信号,低电平使能,高电平禁止 |
IO26 | 音频信号DAC输出信号 | |
按键 | IO0 | 下载模式选择按键(按住该按键上电,然后松开就会进入下载模式) |
EN | ESP32-23E复位按键,低电平复位(和液晶屏复位共用) | |
串口 | RXD0(IO3) | ESP32-32E串口接收信号(如果不使用串口,可做普通IO使用) |
TXD0(IO1) | ESP32-32E串口发送信号(如果不使用串口,可做普通IO使用) | |
电池 | IO34 | 电池电压ADC值获取信号(输入) |
SPI外设 | IO21 | SPI外设片选信号,低电平有效(如果不使用SPI设备,可做普通IO使用) |
IO18 | SPI外设的SPI总线时钟引脚
(SPI外设和MicroSD 卡共用,如不使用SPI设备或者SD卡,可做普通IO使用) | |
IO19 | SPI外设的SPI总线读数据引脚
(SPI外设和MicroSD 卡共用,如不使用SPI设备或者SD卡,可做普通IO使用) | |
IO23 | SPI外设的SPI总线写数据引脚
(SPI外设和MicroSD 卡共用,如不使用SPI设备或者SD卡,可做普通IO使用) | |
I2C外设 | IO25 | I2C外设的I2C总线时钟引脚(如果不使用I2C设备,可做普通IO使用) |
IO32 | I2C外设的I2C总线数据引脚(如果不使用I2C设备,可做普通IO使用) | |
未使用 | IO35 | 只能做输入IO使用 |
IO39 |
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