Waveshare ESP32-S3 A7670E 4G Dev Board LTE Cat-1 WiFi Bluetooth GNSS is a versatile development platform that combines the powerful ESP32-S3 dual-core microcontroller with the A7670E 4G LTE Cat-1 module. This Waveshare Dev Board supports WiFi, Bluetooth, and GNSS positioning, making it ideal for IoT, smart devices, and edge computing applications. With its compact design and reliable connectivity, the ESP32-S3 A7670E 4G Dev Board provides developers with a complete solution for prototyping and deploying wireless projects. Features Waveshare ESP32-S3 Dev Board: Built on the ESP32-S3 dual-core processor with WiFi and Bluetooth support. A7670E 4G LTE Cat-1 module: Provides stable cellular connectivity for IoT and remote monitoring applications. GNSS positioning: Integrated GNSS support for location-based services and tracking. Rich interfaces: GPIO, UART, I²C, and SPI available for connecting sensors and external modules. Compact and reliable design: Small footprint makes the ESP32-S3 A7670E 4G Dev Board easy to embed into projects. Flexible development ecosystem: Supports ESP-IDF and Arduino, enabling rapid prototyping and deployment. Specifications Item Details Brand Waveshare Board type ESP32-S3 A7670E 4G Dev Board MCU ESP32-S3 dual-core microcontroller Cellular module A7670E 4G LTE Cat-1 Wireless WiFi, Bluetooth, LTE Cat-1, GNSS Interfaces GPIO, UART, I²C, SPI Form factor Compact development board Application IoT connectivity: Use the Waveshare ESP32-S3 A7670E 4G Dev Board LTE Cat-1 WiFi Bluetooth GNSS for smart sensors, gateways, and connected devices. Remote monitoring: Deploy the ESP32-S3 Dev Board with A7670E 4G for industrial monitoring and telemetry. Location-based services: Integrate GNSS positioning for asset tracking, navigation, and smart mobility projects. Educational and prototyping: Ideal for learning ESP32-S3 development and experimenting with 4G LTE Cat-1 connectivity. Smart devices: Build wireless consumer products with WiFi, Bluetooth, and cellular features using the Waveshare Dev Board. Part List ESP32-S3-A7670E-4G x1 Transparent acrylic case and screws pack x1 GNSS ceramic antenna x1 OV2640 / OV5640 camera x1 8Ω 2W 2030 speaker x1 40PIN yellow straight pin header x1 USB Type-A to Type-C cable 1m x1 FPC antenna x1 Screwdriver x1 2P screw terminal x1 Double-side tape (4PCS) x1 What's On Board ESP32-S3R8 A7670E-FASE EA3036CDC-DC 3-ch power output ETA6098Battery charging IC CN3791Solar power charging IC MAX17048GBattery voltage measurement IC CH343UART to USB IC CH334USB HUB W25Q128JVSIQExternal 16MB Flash FSUSB42UMXUSB switching IC TXB0104PWRVoltage translator Camera 24PIN interfaceCompatible with cameras such as OV2640 / OV5640 TF Card Slot USB Type-C portOnboard CH343 And CH334, supports connecting to UART and USB of the ESP32-S3Onboard 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 interfacefor 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) WS2812BRGB LED Power indicator Battery reverse warning indicator Solar power input indicator Network status indicator Solar power input voltage selectionfor 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 SY8105IADCExternal input DC-DC DIP SwitchCAM: for turning on/off the cameraHUB: for controlling the power supply of USB HUB driver circuit4G: for controlling the power supply of A7670E moduleUSB: for switching to the USB channel of A7670E module. Battery power supply on/off 18650 Batt holder Microphone input Speaker output Pinout Definition Outline Dimensions Resources & Services WIKI: www.waveshare.com/wiki/ESP32-S3-A7670E-4G More Detail Multi Band Support of A7670E 4G LTE Cat-1/2G The Waveshare ESP32-S3 A7670E 4G Dev Board supports multi-band and multi-region LTE Cat-1/2G connectivity, mainly applicable in Europe, Southeast Asia, West Asia, Africa, China, and South Korea. Note: Please confirm the supported bands with your local service provider. Portable 4G WiFi Solution The ESP32-S3 is connected to the A7670E 4G module via USB to enable LTE networking, while simultaneously activating WiFi AP hotspot. This allows smartphones or other WiFi terminals to connect and access the network through the Waveshare Dev Board. Windows/Linux Dial-up Internet Support Onboard USB switching IC and DIP switch allow switching to use the USB interface of the A7670E 4G module, suitable for connecting with PC for dial-up internet or debugging. This makes the Waveshare ESP32-S3 Dev Board versatile for development and testing. Telephone Call & SMS Support The ESP32-S3 A7670E 4G Dev Board supports making telephone calls and sending SMS via AT commands, with onboard microphone and speaker for complete communication functionality. Image Recognition Support Onboard 24PIN camera interface, comes with OV2640 / OV5640 camera. Compatible with the ESP32-Camera framework, the Waveshare ESP32-S3 Dev Board is suitable for facial recognition and image processing applications. Solar Panel & USB Charging The ESP32-S3 A7670E 4G Dev Board supports lithium battery charging, solar charging, power management, battery capacity measurement, and protection circuits. Both USB and solar charging are supported with real-time battery monitoring. GNSS Positioning Supports GPS, BeiDou, and GLONASS positioning, enabling accurate location tracking with the Waveshare ESP32-S3 A7670E 4G Dev Board. Application Examples Provides multiple networking demos with Waveshare.cloud, using the lightweight MQTT protocol to achieve data visualization service. Smart Garden Solutions: The ESP32-S3 A7670E 4G Dev Board can report various sensor data of the garden through MQTT to remotely control devices such as irrigation and fertilization. Server Performance Cloud Monitoring: The ESP32-S3 A7670E 4G Dev Board can report performance parameters of Raspberry Pi servers through MQTT, enabling real-time monitoring via the cloud. IoT GPS Mobile Positioning: The ESP32-S3 A7670E 4G Dev Board can regularly report GPS data via MQTT to enable mobile detection, animal tracking, and device positioning.
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