ESP32-S3 A7670E 4G Development Board

Based On ESP32-S3, Integrates A7670E 4G Module, Camera And TF Card Slot, Etc.

Multiple Low-Power Working Modes, Suitable For Applications Such As Outdoor Monitoring, 4G Portable WiFi, Smart Home, Etc.

Features At A Glance

The ESP32-S3-A7670E-4G is a multi-functional and high-performance microcontroller development board designed by Waveshare, build-in A7670E 4G communication module, onboard OV series camera interface, TF card slot, RGB colorful LED, 18650 Batt holder (18650 Batt is NOT included), Batt voltage measurement IC, solar panel charging interface, and other peripherals. Adopts the ESP32-S3R8 chip, which integrates low-power WiFi and BLE 5.0, onboard external 16MB Flash and 8MB PSRAM, built-in hardware encryption accelerator, random number generator, HMAC, and digital signature module to meet the security requirements of the IoT. Equipped with A7670E Cat-1 4G communication module to achieve mobile network connection and meet the low-power requirements of IoT, mobile devices, outdoor monitoring, smart home, and other applications.

• Adopts ESP32-S3R8 chip with high-performance Xtensa® 32-bit LX7 dual-core processor, capable of running at 240 MHz
• Built in 512KB Static RAM, 384KB ROM, 8MB of PSRAM, and 16MB Flash memory
• Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, featuring superior RF performance
• Equipped with the A7670E-FASE cellular module, supports 4G Cat-1/2G networking, GNSS positioning, telephone calls, SMS, and other functions
• Onboard USB switching IC and DIP switch for switching to use the USB interface of A7670E, suitable for connecting with PC for dial-up internet or debugging of A7670E module
• Onboard lithium Batt charging, solar charging, power management, Batt capacity measurement, and related protection circuits, supports USB and solar charging with real-time Batt capacity measurement
• Onboard 18650 Batt holder (18650 Batt is NOT included), adapting VBAT pin header for connecting to external 3.7V lithium Batt, with anti-reverse protection
• Rich peripheral interfaces such as camera interface, TF card slot, USB port, 38PIN header, etc., easy to expand and achieve various functions
• Onboard multiple DIP switches for camera on/off, switching USB channels to avoid interface conflict, and setting power on/off for some circuits to reduce power consumption
• Comes with GNSS high-precision ceramic antenna, OV2640 / OV5640 camera, mini speaker, acrylic case, etc., easy to develop various applications
• Comes with online development resources and manual (including tutorials, demos for 4G portable WiFi and other IoT examples)

Specifications

COMMUNICATION PARAMETERS
Frequency Band	LTE-FDD: B1, B3, B5, B7, B8, B20
Data Transmission	≤5Mbps(UL) ≤10Mbps(DL)
GNSS	GPS, BeiDou, GLONASS
OPERATING PARAMETERS
Power supply method	USB port, 18650 lithium Batt holder (18650 Batt is NOT included), pin header
Power input	5V (USB port / 5V pin header) 3.7~4.2V (18650 lithium Batt holder / VBAT pin header)
Logic Level	3.3V

Multi Band Support Of LTE Cat-1/2G

Multi Band And Multi Regions Support, Mainly Applicable In Europe, Southeast Asia, West Asia, Africa, China, South Korea

* Please confirm the supported bands according to your local service provider

Provides Portable 4G WiFi Solution

ESP32-S3 Is Connected To The A7670E Via USB To Enable 4G Networking While Simultaneously Activating WiFi AP Hotspot, Allowing Smartphones Or Other WiFi Terminals To Connect And Access Network

Supports Windows/Linux Dail-Up Internet

Onboard USB Switching IC And DIP Switch, For Switching To Use The USB Interface Of A7670E, Suitable For Connecting With PC For Dial-Up Internet Or Debugging Of A7670E Module

Telephone Call & SMS Support

Making Telephone Call Or Sending SMS By AT Commands, With Onboard Microphone And Speaker

Supports Image Recognition

Onboard 24PIN Camera Interface, Comes With OV2640 / OV5640 Camera
Compatible With The ESP32-Camera Framework, Suitable For Facial Recognition

Supports Charging Via Solar Panel
Or USB Port

Onboard Lithium Batt Charging, Solar Charging, Power Management, Batt Capacity Measurement, And Related Protection Circuits, Supports USB And Solar Charging With Real-Time Batt Capacity Measurement

The solar panel is NOT included, it is recommended to purchase Solar Panel (5.5V 6W), Solar Panel (6V 5W), and Solar Panel (18V 10W).

GNSS Positioning

Supports GPS, BeiDou, GLONASS Positioning

Application Example

Provides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service

Waveshare.Cloud Support

Provides Tutorial And Demo For Quick Start Of Smart IoT Solutions, With Large-Screen Data Visualization Display To Meet Various Application Scenarios

Smart garden solutions:
The ESP32-S3-A7670E-4G can report various sensor data of the garden through MQTT to remotely control device ON/OFF, irrigation, fertilization, and so on.

Server Performance Cloud Monitoring:
The ESP32-S3-A7670E-4G can report various performance parameters of the Raspberry Pi server through MQTT, and monitor the operation status in real-time through the cloud platform.

IoT GPS Mobile Positioning:
The ESP32-S3-A7670E-4G can regularly report the data of the GPS positioning module through MQTT to realize mobile detection, animal or device positioning and tracking, etc.

Application Scenarios

What's On Board

1. ESP32-S3R8
2. A7670E-FASE
3. EA3036C
   DC-DC 3-ch power output
4. ETA6098
   Battery charging IC
5. CN3791
   Solar power charging IC
6. MAX17048G
   Battery voltage measurement IC
7. CH343
   UART to USB IC
8. CH334
   USB HUB
9. W25Q128JVSIQ
   External 16MB Flash
10. FSUSB42UMX
    USB switching IC
11. TXB0104PWR
    Voltage translator
12. Camera 24PIN interface
    Compatible with cameras such as OV2640 / OV5640
13. TF Card Slot
14. USB Type-C port
    Onboard CH343 And CH334, supports connecting to UART and USB of the ESP32-S3
    Onboard USB switching IC and DIP switch for switching to use the USB interface of A7670E
15. RESET button
16. BOOT button
17. Nano SIM card slot

 

18. Solar panel input interface
    for connecting to 5V/6V/9V/12V/18V solar panel
19. Onboard antenna
20. ESP32-S3 WiFi connector (IPEX 1)
    using onboard ceramic antenna by default, supports connecting to external WiFi antenna by modifying solder pad
21. GNSS connector (IPEX 1)
22. LTE connector (IPEX 1)
23. WS2812B
    RGB LED
24. Power indicator
25. Battery reverse warning indicator
26. Solar power input indicator
27. Network status indicator
28. Solar power input voltage selection
    for setting solar panel input voltage:
    5V level by default, for connecting with 5.5V / 6V solar power panel, supports modifying solder pads for 9V/12V/18V solar panels
29. SY8105IADC
    External input DC-DC
30. DIP Switch
    CAM: for turning on/off the camera
    HUB: for controlling the power supply of USB HUB driver circuit
    4G: for controlling the power supply of A7670E module
    USB: for switching to the USB channel of A7670E module.
31. Battery power supply on/off
32. 18650 Batt holder
33. Microphone input
34. Speaker output

Pinout Definition

Outline Dimensions

[] ESP32-S3-A7670E-4G

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