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Waveshare ESP32-S3 A7670E 4G High Performance Development Board

Reference RBD-3231

Brand Waveshare

Waveshare ESP32-S3 A7670E combines 4G LTE, WiFi, Bluetooth, and GNSS in one board.
Features powerful dual-core Xtensa® LX7 processor up to 240MHz for advanced IoT performance.
Supports camera interface (OV2640), 18650 battery, solar panel, and TF card expansion.
Includes A7670E Cat-1 4G module for LTE, SMS, call, and GPS/BeiDou/GLONASS navigation.
Enables portable 4G WiFi hotspot creation and MQTT cloud connectivity via Waveshare.cloud.
Ideal for IoT, smart home, remote monitoring, and outdoor automation projects.

Description
Product Details

Description

The Waveshare ESP32-S3 A7670E 4G High Performance Development Board is an all-in-one IoT powerhouse designed for real-time connectivity and smart control. Featuring the dual-core ESP32-S3R2 processor and integrated A7670E 4G LTE module, it supports LTE Cat-1/2G networks, GNSS positioning, WiFi, and Bluetooth 5.0 for seamless communication across multiple platforms. The board includes camera support for the OV2640, a TF card slot, RGB LED, DIP switches, and extensive I/O interfaces for flexible project development. It supports USB, 18650 lithium battery, and solar input with built-in power management, making it ideal for portable and outdoor systems. Whether for smart garden monitoring, remote asset tracking, or AI-based facial recognition, this development board provides exceptional performance, reliability, and versatility for professional IoT developers and hobbyists alike. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Features:

Powerful Processor: ESP32-S3R2 with dual-core Xtensa® LX7 CPU up to 240MHz for fast, efficient performance.
Integrated 4G Module: Built-in A7670E Cat-1 LTE module supporting voice, SMS, data, and GNSS.
Multi-Protocol Connectivity: Includes WiFi 2.4GHz and Bluetooth LE 5.0 for wireless flexibility.
Camera Support: 24PIN interface compatible with OV2640 camera (included) for image and face recognition.
Versatile Power Options: Operates via USB, 18650 battery, or solar panel (with charging protection).
GNSS Positioning: Supports GPS, BeiDou, and GLONASS for accurate global positioning.
Cloud Connectivity: MQTT-ready via Waveshare.cloud for IoT data visualization and control.
Expandable Storage: TF card slot for external memory and data logging.
Portable WiFi Router: Create a 4G-based hotspot for devices in remote or mobile scenarios.
User-Friendly Development: Supports ESP-IDF, Arduino IDE, and other popular frameworks.

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Applications:

Portable 4G WiFi Router: Share 4G LTE connectivity with smartphones and IoT devices.
IoT Data Monitoring: Send sensor data to the cloud for analytics and visualization.
Smart Agriculture: Automate irrigation and environmental control systems using real-time feedback.
Security Systems: Combine with OV2640 camera for facial recognition and motion detection.
GNSS Tracking: Integrate GPS/GLONASS for vehicle or asset tracking solutions.
Edge AI Projects: Utilize ESP32-S3’s AI acceleration for vision-based tasks.
Smart Home Control: Manage appliances, lighting, and sensors through wireless networks.

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General Specifications
Processor	ESP32-S3R2 Dual-core Xtensa® LX7 (240MHz)
Memory	512KB SRAM, 384KB ROM, 2MB PSRAM, 16MB Flash
Wireless Connectivity	WiFi 2.4GHz, Bluetooth LE 5.0
4G Module	A7670E Cat-1 LTE, 2G fallback
GNSS	GPS, BeiDou, GLONASS
Camera Interface	24PIN (OV2640 camera included)
Storage	TF card slot (external memory)
Power Input	USB 5V / 18650 Battery (3.7–4.2V) / Solar (recommended 5.5V 6W)
Battery Support	18650 holder included (battery not included)
Indicators & Components	RGB LED, DIP switch, USB port, debug headers
Cloud Integration	Waveshare.cloud MQTT data management
Supported IDEs	ESP-IDF, Arduino IDE
Dimensions	Compact embedded board (approx. 10 x 6 x 2 cm)
Shipment Weight	0.085 kg
Shipment Dimensions	10 × 6 × 2 cm

Please allow 5% measuring deviation due to manual measurement.

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Documentation:

How to Use:

Power Options:
- Use USB, an 18650 lithium battery, or a solar panel (recommended 5.5V 6W) for power input.
Connectivity Setup:
- Connect to 4G via the A7670E module for network access.
- Create a WiFi hotspot to enable device connectivity.
Peripheral Integration:
- Attach the OV2640 camera for image recognition tasks.
- Insert a TF card for additional storage.
IoT Configuration:
- Set up MQTT communication with Waveshare.cloud for real-time data visualization and remote control.
Development:
- Program the board using ESP-IDF, Arduino IDE, or compatible frameworks.

Package Includes:

1 x Waveshare ESP32-S3 A7670E 4G High Performance Development Board

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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 battery holder (18650 battery is NOT included), battery voltage measurement IC, solar panel charging interface, and other peripherals. Adopts the ESP32-S3R2 chip, which integrates low-power WiFi and BLE 5.0, onboard 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 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-S3R2 chip with high-performance Xtensa® 32-bit LX7 dual-core processor, capable of running at 240 MHz
Built in 512KB SRAM, 384KB ROM, 2MB 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 battery charging, solar charging, power management, battery capacity measurement, and related protection circuits, supports USB and solar charging with real-time battery capacity measurement
Onboard 18650 battery holder (18650 battery is NOT included), adapting VBAT pin header for connecting to external 3.7V lithium battery, 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 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 battery holder (18650 battery is NOT included), pin header
Power input	5V (USB port / 5V pin header) 3.7~4.2V (18650 lithium battery 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 camera
Compatible with the ESP32-Camera framework, Suitable for facial recognition

Supports charging via solar panel
or USB port

Onboard lithium battery charging, solar charging, power management, battery capacity measurement, and related protection circuits, supports USB and solar charging with real-time battery 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

ESP32-S3R2
A7670E-FASE
EA3036C
DC-DC 3-ch power output
ETA6098
Battery charging IC
CN3791
Solar power charging IC
MAX17048G
Battery voltage measurement IC
CH343
UART to USB IC
CH334
USB HUB
W25Q128JVSIQ
External 16MB Flash
FSUSB42UMX
USB switching IC
TXB0104PWR
Voltage translator
Camera 24PIN interface
Compatible with cameras such as OV2640/OV5640
TF Card Slot
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
RESET button
BOOT button
Nano SIM card slot

Solar panel input interface
for connecting to 5V/6V/9V/12V/18V solar panel
Onboard antenna
ESP32-S3 WiFi connector (IPEX 1)
using onboard ceramic antenna by default, supports connecting to external WiFi antenna by modifying solder pad
GNSS connector (IPEX 1)
LTE connector (IPEX 1)
WS2812B
RGB LED
Power indicator
Battery reverse warning indicator
Solar power input indicator
Network status indicator
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
SY8105IADC
External input DC-DC
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.
Battery power supply on/off
18650 battery holder
Microphone input
Speaker output

Pinout Definition

Outline Dimensions

Resources & Services

WIKI: www.waveshare.com/wiki/ESP32-S3-A7670E-4G

Product Details

Reference RBD-3231

In stock 4 Items

Specific References

EAN13: 3231

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DFRduino M0 Mainboard (Arduino Compatible)

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DFRduino M0 is a 32-bit Arduino-compatible mainboard based on the ARM Cortex-M0 core. Supports 5V logic, making it compatible with standard Arduino shields and sensors. Powered by Nuvoton NUC123ZD4AN0 MCU running at 72MHz for high performance. Features 31 digital I/O pins and 6 analog inputs with dual hardware serial ports. Includes built-in USB, I2C,...

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Gravity Analog TDS Sensor/ Meter for Arduino Robotics Bangladesh

Reference: RBD-3238

Brand: DFRobot

Gravity Analog TDS Sensor/ Meter for Arduino

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Gravity: Analog TDS Sensor/Meter for Arduino is an Arduino-compatible TDS Meter Kit for measuring TDS value of the water, to reflect the cleanliness of the water. TDS meter can be applied to domestic water, hydroponic and other fields of water quality testing. You may also check Liquid Senser Selection Guide to get better familiar with our liquid sensor...

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Gravity Digital Shake Sensor Robotics Bangladesh

Reference: RBD-3235

Brand: DFRobot

Gravity Digital Shake Sensor

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Gravity Digital Shake Sensor detects unidirectional shaking motion. Outputs a digital pulse signal with onboard LED indicator feedback. Features strong anti-shock design to prevent false triggering. Compatible with both 3.3V and 5V microcontrollers like Arduino and Raspberry Pi. Compact 30×22mm module with durable spring-type vibration switch. Ideal for...

BDT 490

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Gravity Liquid Flow Sensor (G1/4) Robotics Bangladesh

Reference: RBD-3237

Brand: DFRobot

Gravity Liquid Flow Sensor (G1/4)

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Gravity Liquid Flow Sensor (G1/4) based on electromagnetic principle for precise flow measurement. Wide operating voltage range of 3.5V–24V with NPN pulse output for easy microcontroller integration. Durable design with O-ring and silicone sealant for enhanced water resistance and reliability. Supports liquid types with high concentration and low...

BDT 3,750

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Waveshare ESP32-S3 A7670E 4G High Performance Development Board

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