Input Voltage (V)

3.3 to 5.5
Communication Interface

I2C, UART
Bluetooth Version

IEEE802.11b/g/n
Frequency(GHz)

2.4
Length (mm)

37
Width (mm)

32

DFRobot Gravity WiFi IoT Module

SKU: 1073441
In Stock

₹1,549.00

  1. Power Supply: 3.3V~5.5 V
  2. Communication: I2C, UART
  3. Wireless Mode: IEEE802.11b/g/n
  4. Encryption Type: WPA WPA2/WPA2–PSK
  5. WiFi Frequency: 2.4GHz
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Description

This WiFi IoT module would be an excellent choice for IoT classroom teaching and smart home projects. It supports multiple programming platforms, such as MakeCode, Mind+, and Arduino IDE, and can also be used on various popular IoT platforms like Easy IoT, IFFTTT, ThingSpeak, SIoT. Besides that, the module is designed with an easy-to-use Gravity interface and employs UART and I2C communication protocols. You can use it to build IoT projects with other mainboards like the micro: bit, Arduino, STM32, etc.

Features:

  1. Support Arduino IDE programming, MakeCode, and Mind+ Graphical Programming
  2. I2C and UART Communication
  3. Support Main controller Arduino, micro: bit, etc.
  4. Support protocols like MQTT, HTTP, etc. Work well with IoT platforms EasyIoT, IFTTT, ThingSpeak, etc.
  5. PH2.0-4P Gravity Interface

Useful Links:

Product Wiki

Package Includes:

1 x Gravity: WIFI IoT Module

Additional information

Input Voltage (V)

3.3 to 5.5
Communication Interface

I2C, UART
Bluetooth Version

IEEE802.11b/g/n
Frequency(GHz)

2.4
Length (mm)

37
Width (mm)

32

Quick Comparison

SettingsDFRobot Gravity WiFi IoT Module removeESP WROOM 32 MCU Module WITHOUT BLE removeEspressif ESP32-WROVER-IPEX 16M 128Mbit Flash WiFi Bluetooth Module removeSX1278 LoRa Series Ra-02, Spread Spectrum Wireless, Module removeESP32-CAM-MB MICRO USB Download Module for ESP32 CAM Development Board removeEspressif ESP32-WROVER 4M 32Mbit Flash WiFi Bluetooth Module remove
NameDFRobot Gravity WiFi IoT Module removeESP WROOM 32 MCU Module WITHOUT BLE removeEspressif ESP32-WROVER-IPEX 16M 128Mbit Flash WiFi Bluetooth Module removeSX1278 LoRa Series Ra-02, Spread Spectrum Wireless, Module removeESP32-CAM-MB MICRO USB Download Module for ESP32 CAM Development Board removeEspressif ESP32-WROVER 4M 32Mbit Flash WiFi Bluetooth Module remove
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Description
  1. Power Supply: 3.3V~5.5 V
  2. Communication: I2C, UART
  3. Wireless Mode: IEEE802.11b/g/n
  4. Encryption Type: WPA WPA2/WPA2–PSK
  5. WiFi Frequency: 2.4GHz
  1. Model: ESP WROOM 32 MCU
  2. Processor: Single or Dual core Tensilica Xtensa 32-bit LX6
  3. Operating voltage (v): 2.3 ~ 3.6
  4. Operating current (mA): 80
  5. Small volume, easily embedded to other products
  6. Strong function with support LWIP Protocol, Freertos
  1. Kind of connector: IPEX Antenna
  2. Wifi: 802.11 b/g/n (802.11n up to 150 Mbps)
  3. Frequency range 2.4 GHz ~ 2.5 GHz
  4. Bluetooth: v4.2 BR/EDR and BLE
  5. Audio: CVSD and SBC
  6. On-chip sensor: Hall sensor
  7. Integrated SPI flash: 16 MB
  8. Integrated PSRAM: 128 MB
  1. LoRa  Spread Spectrum modulation technology
  2. Constant RF power output at + 20dBm-100mW voltage change
  3. High sensitivity: down to -148dBm
  4. Half-duplex SPI communication
  5. Programmable bit rates up to 300kbps
  6. Supports FSK, GFSK, MSK, GMSK, LoRa  and OOK modulation modes
  1. Model: ESP32-CAM-MB
  2. Color: Black
  3. Chipset: CH340G
  4. Connectivity Technology: USB
  1. Wifi: 802.11 b/g/n (802.11n up to 150 Mbps)
  2. Frequency range 2.4 GHz ~ 2.5 GHz
  3. Bluetooth: v4.2 BR/EDR and BLE
  4. Radio: NZIF receiver with –97 dBm sensitivity, Class-1, class-2, and class-3 transmitter, AFH
  5. Audio: CVSD and SBC
  6. On-chip sensor: Hall sensor
Content

This WiFi IoT module would be an excellent choice for IoT classroom teaching and smart home projects. It supports multiple programming platforms, such as MakeCode, Mind+, and Arduino IDE, and can also be used on various popular IoT platforms like Easy IoT, IFFTTT, ThingSpeak, SIoT. Besides that, the module is designed with an easy-to-use Gravity interface and employs UART and I2C communication protocols. You can use it to build IoT projects with other mainboards like the micro: bit, Arduino, STM32, etc.

Features:

  1. Support Arduino IDE programming, MakeCode, and Mind+ Graphical Programming
  2. I2C and UART Communication
  3. Support Main controller Arduino, micro: bit, etc.
  4. Support protocols like MQTT, HTTP, etc. Work well with IoT platforms EasyIoT, IFTTT, ThingSpeak, etc.
  5. PH2.0-4P Gravity Interface

Useful Links:

Product Wiki

Package Includes:

1 x Gravity: WIFI IoT Module

ESP32 Development board is based on the ESP WROOM32 WIFI Module.It’s a low-footprint, minimal system development board powered by the latest ESP-WROOM-32 module and can be easily inserted into a solderless breadboard.

It contains the entire basic support circuitry for the ESP-WROOM-32, including the USB-UART bridge, reset- and boot-mode buttons, LDO regulator and a micro-USB connector. Every important GPIO is available to the developer.

Applications:

  1. Universal low power IoT sensor hub.
  2. Home automation.
  3. Universal low power IoT recorder.
  4. Mesh network.
  5. Video streaming of the camera.
  6. Industrial wireless control

Features:

  1. Small volume, easily embedded to other products
  2. Strong function with support LWIP Protocol, Freertos
  3. Supporting three modes:  AP, STA, and AP+STA
  4. Supporting Lua program, easily to develop
  5. Includes CP2102 USB-UART bridge

Specifications:

  1. Model: ESP WROOM 32 MCU
  2. Processor: Single or Dual core Tensilica Xtensa 32-bit LX6
  3. Operating voltage (v): 2.3 ~ 3.6
  4. Operating current (mA): 80
  5. Clock Frequency (MHz): 80 ~ 240
  6. Flash memory (MB): 4
  7. Data Rate (Mbps): 54
  8. SRAM Memory (KB): 512
  9. BLE (Bluetooth Low Energy): Without (BLE)
  10. Operating temperature: -40 °C – 85 °C
  11. Dimensions: 5 x 2.5 x 1.5mm
  12. Weight: 9g

Packages Includes:

1 x ESP WROOM 32 MCU Module WITHOUT BLE

Espressif ESP32-WROVER-IPEX Wireless Module is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications. These applications range from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. ESP32-WROVER-IPEX features a 16MB external SPI flash and an additional 128MB SPI Pseudo static RAM (PSRAM).

The ESP32-WROVER-IPEX MCU Modules use the ESP32-D0WD chip at its core. This SoC features two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80MHz to 240MHz. The ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.

ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast on-line programming and open source toolchains based on GCC for development support. It is designed for Generic low power IoT sensor hub, loggers, video streaming for the camera, Wi-Fi & Bluetooth enabled devices, Home automation, and mesh network applications, aimed at makers, hardware engineers, software engineers and solution provides.

ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra-low-power 40 nm technology. It is designed and optimized for the best power performance, RF performance, robustness, versatility, features, and reliability, for a wide variety of applications, and different power profiles.

ESP32 is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. As such, the entire solution occupies a minimal Printed Circuit Board (PCB) area.

ESP32 is designed for mobile, wearable electronics, and the Internet of Things (IoT) applications. It has many features of state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.

Features:

  1. ESP32 embedded, two or one Xtensa 32-bit LX6 microprocessor(s) with adjustable clock frequency, ranging from 80 MHz to 240 MHz
  2. +19.5 dBm output power ensures a good physical range
  3. Classic Bluetooth for legacy connections, also supporting L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK), and AVRCP (CT)
  4. Support for Bluetooth Low Energy (Bluetooth LE) profiles including L2CAP, GAP, GATT, SMP, and GATT-based profiles like BluFi, SPP-like, etc
  5. Bluetooth Low Energy (Bluetooth LE) connects to smartphones, broadcasting low-energy beacons for easy detection
  6. Sleep current is less than 5 μA, making it suitable for battery-powered and wearable electronics applications
  7. Peripherals include capacitive touch sensors, Hall sensor, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C
  8. Fully certified with integrated antenna and software stacks

Specifications:

  1. Kind of connector: IPEX Antenna
  2. Wifi: 802.11 b/g/n (802.11n up to 150 Mbps)
  3. Frequency range: 2412 ~ 2484 MHz
  4. Bluetooth: v4.2 BR/EDR and BLE
  5. Radio: NZIF receiver with –97 dBm sensitivity, Class-1, class-2, and class-3 transmitter, AFH
  6. Audio: CVSD and SBC
  7. On-chip sensor: Hall sensor
  8. Integrated crystal: 40 MHz crystal
  9. Integrated SPI flash: 16 MB
  10. Integrated PSRAM: 128 MB
  11. Operating voltage/Power supply: 3.0 V ~ 3.6 V
  12. Minimum current: 500 mA
  13. Operating temperature range: –40 °C ~ 85 °C
  14. Dimensions: 18 x 31.5 x 3.3 mm
  15. Moisture sensitivity level (MSL): Level 3

Package Includes:

1 x Espressif ESP32-WROVER-IPEX 16M 128Mbit Flash WiFi Bluetooth Module

This SX1278 LoRa Series Ra-02 Spread Spectrum Wireless Module is a wireless transmission module based on SEMTECH’s SX1278 wireless transceiver. It adopts advanced LoRa spread spectrum technology, with a communication distance of 10,000 meters. It has a strong ability of anti-jamming and has the function of air wake-up Consumption. Can be covering thousands of people in the district environment, particularly suitable for meter reading, smart home, burglar alarm equipment.

The LoRa series module Ra-01 is designed and developed by Flawless Technology. The SX1278 RF module is mainly used for long-range spread spectrum communication. It can resist Minimize current consumption. Thanks to SEMTECH’s patented LoRa modulation technology, the SX1278 has a high sensitivity of -148 dBm with a power output of +20 dBm, a long transmission distance and high reliability.

At the same time, compared with the traditional modulation technology, LoRa modulation technology has obvious advantages in anti-blocking and selection, which solves the problem that the traditional design scheme cannot consider the distance, interference and power consumption at the same time.

Features :

  1. LoRa  Spread Spectrum modulation technology
  2. Constant RF power output at + 20dBm-100mW voltage change
  3. High sensitivity: down to -148dBm
  4. Half-duplex SPI communication
  5. Programmable bit rates up to 300kbps
  6. Supports FSK, GFSK, MSK, GMSK, LoRa  and OOK modulation modes
  7. 127dB RSSI dynamic range
  8. Automatic RF signal detection, CAD model, and very high-speed AFC
  9. Packet engine with CRC up to 256 bytes
  10. Small footprint dual-row stamp-hole patch package
  11. Shielded housing

Package Includes :

1 x SX1278 LoRa Series Ra-02 Module

The ESP32-CAM AI-Thinker MB programmer Shield is a shield that you attach to your ESP32-CAM board GPIOs.The programmer comes with the CH340C USB to serial chip. This allows you to program the ESP32-CAM using the USB port on the shield. The shield also comes with a RESET button. This may be useful to easily reset the ESP32-CAM or put it into flashing mode.

Note: The camera module is not included with the board.

Features:

  1. The ESP32-CAM camera module is based on an ESP32 chip with an OV2640 2MP camera, built-in flash, also supports OV7670 cameras. Small and compact design, can fit on a solderless breadboard, saves space for your project.
  2. Specifications: The board uses a high-performance dual-core 32-bit LX6 CPU, can be used as an application processor, integrates WiFi, traditional Bluetooth, and low power BLE. its main frequency adjustment ranges from 80MHz to 240MHz, adopts 7-stage pipeline architecture, on-chip sensor, Hall sensor, temperature sensor, and so on.
  3. Features: the board is fully compliant with WiFi 802.11b/g/n/e/i and Bluetooth 4.2 standards, have 9 GPIO ports, built-in 520 KB SRAM plus 4MB PSRAM, support UART/SPI/I2C/PWM and other interfaces, STA/AP/STA+AP working mode, maximum 4G TF card, image WiFI upload, multiple sleep modes, secondary development, etc.
  4. Use: ESP32-CAM can be widely used in various IoT applications, suitable for home smart devices, industrial wireless control, wireless monitoring, QR wireless identification, wireless positioning system signals, and other IoT applications. It is an ideal solution for IoT applications.
  5. Note: since comes with ESP32-CAM-MB: Micro USB to Serial Port CH340C chip, so no longer needs to use a converter to program it. Plug and play, use the Micro USB cable to connect the PC and the ESP32-CAM-MB board.

Features

  1. Supports WiFi Image Upload.
  2. Support multiple sleep modes.
  3. Embedded Lwip and FreeRTOS.
  4. Support secondary development.
  5. Support STA/AP/STA+AP working mode.
  6. Support OV2640 and OV7670 cameras, built-in flash.
  7. Support Smart Config/AirKiss one-click network configuration.
  8. Clock speed up to 160 MHz, Computing power up to 600 DMIPS.
  9. Support for serial port local and remote firmware upgrades (FOTA).

Specifications:

  1. Model: ESP32-CAM-MB
  2. Color: Black
  3. Chipset: CH340G
  4. Connectivity: Micro-USB
  5. IO port: 9
  6. Power supply: 5V 2A
  7. SPI Flash: default 32Mbit
  8. RAM: built-in 520KB SRAM+4MB PSRAM
  9. Wi-Fi: 802.11b/g/n/e/i
  10. Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards
  11. Spectrum Range: 2412~2484MHz
  12. Support TF card: maximum support 4G
  13. Support Interface: UART, SPI, I2C, PWM
  14. Serial Port Baud-rate: Default 115200 bps
  15. Antenna: onboard PCB antenna, gain 2dBi
  16. Security: WPA/WPA2/WPA2-Enterprise/WPS
  17. Image Output Format: JPEG( OV2640 support only ), BMP, GRAYSCALE
  18. Dimension:40x25x10 mm
  19. Weight:6 gm

Package Includes:

1 x ESP32-CAM-MB MICRO USB Download Module for ESP32 CAM Development Board

Espressif ESP32-WROVER Wireless Module is a powerful, generic WiFi-BT-BLE MCU module that targets a wide variety of applications. These applications range from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. ESP32-WROVER features a 4MB external SPI flash and an additional 32MB SPI Pseudo static RAM (PSRAM).

The ESP32-WROVER MCU Modules use the ESP32-D0WD chip at its core. This SoC features two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80MHz to 240MHz. The ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.

ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast online programming and open source toolchains based on GCC for development support. It is designed for Generic low power IoT sensor hub, loggers, video streaming for the camera, Wi-Fi & Bluetooth enabled devices, Home automation, and mesh network applications, aimed at makers, hardware engineers, software engineers and solution provides.

ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra-low-power 40 nm technology. It is designed and optimized for the best power performance, RF performance, robustness, versatility, features, and reliability, for a wide variety of applications, and different power profiles.

ESP32 is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. As such, the entire solution occupies a minimal Printed Circuit Board (PCB) area.

ESP32 is designed for mobile, wearable electronics, and the Internet of Things (IoT) applications. It has many features of state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.

Features:

  1. ESP32 embedded, two or one Xtensa 32-bit LX6 microprocessor(s) with adjustable clock frequency, ranging from 80 MHz to 240 MHz
  2. +19.5 dBm output power ensures a good physical range
  3. Classic Bluetooth for legacy connections, also supporting L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK), and AVRCP (CT)
  4. Support for Bluetooth Low Energy (Bluetooth LE) profiles including L2CAP, GAP, GATT, SMP, and GATT-based profiles like BluFi, SPP-like, etc
  5. Bluetooth Low Energy (Bluetooth LE) connects to smartphones, broadcasting low-energy beacons for easy detection
  6. Sleep current is less than 5 μA, making it suitable for battery-powered and wearable electronics applications
  7. Peripherals include capacitive touch sensors, Hall sensor, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C
  8. Fully certified with integrated antenna and software stacks

Package Includes:

1 x Espressif ESP32-WROVER 4M 32Mbit Flash WiFi Bluetooth Module

Weight
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Input Voltage (V)

3.3 to 5.5
Communication Interface

I2C, UART
Bluetooth Version

IEEE802.11b/g/n
Frequency(GHz)

2.4
Length (mm)

37
Width (mm)

32
Module Model

LoRa-RA-02
Package/Case

SMD16
Interface

SPI
Programmable bit Rate

UP to 300Kbps
Antenna Type

IPEX
Frequency Range

410-525 MHz
Input Supply Range (VDC)

2.5 ~ 3.7
Transmit Power (dBm)

18±1 dBm (Max)
Operating Temperature Range (°C)

-10 to 65
Processor

Xtensa 32-bit LX6
Operating Voltage (VDC)

3 ~ 3.6
WIFI

802.11 b/g/n
Bluetooth Version

BLE, v4.2 BR/EDR
Wi-Fi Mode

Station/softAP/SoftAP+station/P2P
Security

WPA/WPA2/WPA2-Enterprise/WPS
Encryption

AES/RSA/ECC/SHA
Frequency Range

2.4 GHz ~ 2.5 GHz
Crystal Oscillator

40 MHz
PSRAM

32 MB
SPI Flash

4 MB
Minimum Current

500 mA
Audio

CVSD and SBC
Radio

NZIF receiver with –97 dBm sensitivity, AFH
Length (mm)

31.5
Width (mm)

18
Height (mm)

3.3
Weight (gm)

12