ESP32-S3 A7670E 4G Development Board LTE Cat-1 2G GNSS WiFi Bluetooth

[Product Overview]

[] ESP32-S3 A7670E 4G development board: Based on ESP32-S3, integrated A7670E 4G module, camera, Micro SD and other peripherals and interfaces, suitable for 4G portable WiFi, phone and SMS, GNSS positioning, 4G Cat-1/2G/WiFi and other Internet of Things applications.

 

[Product features]
[] This product is a multi-functional, high-performance microcontroller development board designed by Waveshare, with built-in A7670E 4G communication module, OV universal camera interface, TF card slot, RGB colorful light, 18650 battery slot, measuring battery voltage IC, solar charging interface and other peripherals. It usesESP32-S3R8The chip integrates low-power WiFi and BLE5.0, external 16MB Flash and 2MB PSRAM, built-in hardware encryption accelerator, random number generator, HMAC and digital signature module to meet the security requirements of the Internet of Things. With the A7670E Cat-1 4G communication module, it can realize mobile network connection and meet the low-power requirements of the Internet of Things, mobile devices, outdoor monitoring, smart home and other fields.

[] adoptESP32-S3R8Main chip, equipped with high-performance Xtensa ® 32-bit LX7 dual-core processor, up to 240MHz
[] Integrated 512KB SRAM, 384KB ROM, 8MB PSRAM, 16MB Flash memory
[] Integrated 2.4GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE) dual-mode wireless communication with superior RF performance
[] Equipped with A7670E-FASE cellular module, supports 4G Cat-1/2G Internet access, GNSS positioning, phone, SMS and other functions
[] Onboard USB switching IC and setting switch, can be switched to the USB port of A7670E, can be used to connect to computer dial-up Internet access or debug cellular modules
[] Onboard lithium battery charging, solar charging, power management, power measurement and related protection circuits, support USB and solar charging, can measure power in real time
[] Onboard 18650 battery holder, also leads out VBAT pin pin, can be externally connected to 3.7V lithium battery power supply, with anti-reverse connection protection
[] The board has a camera interface, Micro SD card interface, USB port, 38PIN pin header and other rich peripheral interfaces, which can be easily expanded to achieve various functions
[] There is a multi-channel DIP switch on the board, which can be used to switch the camera and USB channel to avoid interface conflicts; it can also be set to turn some circuit power on and off to reduce power consumption
[] Equipped with GNSS high-precision ceramic antenna, OV2640 camera, small speaker and other peripheral accessories, and also designed with acrylic shell, which is convenient for playing with various applications
[] Provide a complete supporting brochure (including tutorials, 4G anytime WiFi and various sample programs such as the Internet of Things)

 

[Product parameters]
Communication parameters:
[] Supported frequency bands: LTE-FDD: B1, B3, B5, B7, B8, B20

[] Data transmission
≤5Mbps(UL)
≤10Mbps(DL)

[] GNSS: GPS, Beidou, GLONASS

Working parameters:
[] Power supply mode: USB, 3.7V lithium battery, pin header
[] Power supply voltage: 5V (USB port, or 5V pin header), 3.7~ 4.2V (18650 lithium battery interface, or VBAT pin header)
[] Logic level: 3.3V

 

[Application field]
[] Image recognition: facial recognition, object recognition
[] Portable WiFi: Accompanying network
Smart industry: smart warehousing/workshops, unattended
[] Digital twins: visual data analytics
Smart Agriculture: Smart Farms, Smart Ranches
IoT Applications: Other Embedded IoT Applications

 

[Resource Introduction]

1. ESP32-S3R8

 

2. A7670E-FASE

 

3. EA3036C
DC-DC 3 power output

 

4. ETA6098
Battery charging IC

 

5. CN3791
Solar 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
Level Shifting IC

 

12. Camera 24PIN interface
Compatible with OV2640/OV5640 and other cameras

 

13. Micro SD card slot

 

14. USB Type-C interface
Onboard CH343 and CH334, can be used as serial and USB ports for ESP32-S3
Onboard USB switching IC and setting switch, can be switched to the A7670E USB port for use

 

15. RESET button

 

16. BOOT button

 

17. Nano SIM card slot

 

18. Solar panel input interface
Can be connected to 5V/6V/9V/12V/18V solar panels

 

19. Patch antenna

 

20. ESP32-S3 WiFi interface (IPEX 1st generation)
The onboard ceramic antenna is used by default, and the solder joint can be modified to connect to the external WiFi antenna.

 

21. GNSS interface (IPEX 1st generation)

 

22. LTE interface (IPEX 1st generation)

 

23. WS2812B
RGB lamp beads

 

24. Power indicator

 

25. Battery anti-reverse connection warning light

 

26. Solar input indicator

 

27. Network status indicator

 

28. Solar input voltage selection
To access different voltage solar panels, corresponding gears must be welded
5V: factory default, can be connected to 5.5V or 6V solar panels
9V/12V/18V: The default gear solder joint can be modified to adapt to 9V/12V/18V solar panels

 

29. SY8105IADC
External input DC-DC

 

30. DIP switch
CAM: Control on and off camera function
HUB: Control USB HUB driver circuit power supply
4G: Control A7670E Module Power Supply
USB: Control A7670E module USB channel selection

 

31. Battery powered switch

 

32.18650 battery holder

 

33. Microphone input

 

34. Speaker output

 

[Interface Definition]

[Product size]

[Shipping List]

[] ESP32-S3-A7670E-4G
1. ESP32-S3-A7670E-4G host × 1
2. Transparent acrylic shell and screw pack × 1
3. GNSS ceramic antenna × 1
4. OV2640 lens × 1
5.8 Euro 2 watt 2030 horn × 1
6. Yellow straight line needle 40PIN × 1
7. USB cable Type-A to Type-C male port, about 1m × 1
8. FPC antenna × 1
9. Screwdriver × 1
10.2P terminal block × 1
11.18650 battery × 1
12. Double-sided tape (4PCS) × 1