HC-05 6pin Bluetooth Module with Button

Applications:

• Embedded Projects.
• Industrial Applications.
• Computer and Portable Devices.
• GPS receiver.

Features:

• Working current: matching for 30 mA, matching the communication for 8 mA.
• Dormancy current: no dormancy.
• Used for a GPS navigation system, water, and electricity gas meter reading system.
• With the computer and Bluetooth adapter, PDA, seamless connection equipment.
• Bluetooth module HC-08 Master and slave Two in one module.
• Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
• Potter default rate of 9600, the user can be set up.
• Bluetooth protocol: Bluetooth Specification v2.0+EDR
• Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
• Security: Authentication and encryption.
• Profiles: Bluetooth serial port.

Tutorials

Package Includes:

ESP32 comes in the nodemcu structure we are familiar with, but it also offers bluetooth support.
Exciting for IOT applications, this ESP-WROOM-32 model has internal antenna, RF balun, power amplifier, low-noise amplifier, filters and power management unit.
It has 2.4 GHz dual-mode Wi-Fi and TSMC 40nm low power technology Bluetooth chips.

Specifications:

• High price/performance ratio.
• Suitable for embedded projects with its small dimensions
• It is quite powerful with LWIP protocol support and Freertos.
• Supports AP,STA and AP+STA modes
• Lua program supports

 
Steps:

•     Download and install the Arduino IDE.
•     Open https://github.com/espressif/arduino-esp32, install according to the explanation in the installation part.
•     Install the CP2102 driver for the serial communication chip.
•     Install the product on your computer with a USB micro cable.
•     Copy the test program below to the arduino IDE.
•     Select ESP32 Dev Module from Tools/Boards
•     Select the port where you plug the ESP32 into.
•     Press the BOOT button on the ESP32. Upload it on the Arduino IDE. It takes about 15 seconds. It is recommended to keep the BOOT button pressed during this time.
•     Open the serial terminal and select baud 9600 (normally 9600)
•     It will type the word Hello every second.

Useful Links:

• http://esp32.net/
• https://github.com/espressif/esptool
• https://github.com/esp32

HM-10 and HM-11 series Bluetooth module use TI CC2540 chip, configure 256KB space and support the AT command. Users can change the role (master, slave mode) and the serial port baud rate, equipment name, matching password and other parameters on-demand. It is very flexible to use.

Pin Description of HM-10 BLE Bluetooth 4.0 CC2541 Wireless Module

STATE: state test pins, connected to an internal LED, generally keep it unconnected.
BRK: break connect, it means breaking the Bluetooth connection, generally keep it unconnected.
VCC: positive pole of the power source.
GND: Ground.
TXD: serial interface, transmitting terminal.
RXD: serial interface, receiving terminal.

Features :

1. It’s easy to use and completely encapsulated.
2. You can set it as a slave or master.
3. You can use the AT command set the baud rate.
4. Coverage up to 60 meters.
5. Built-in PCB antenna.
6. UART design.
7. Support bridge direct-driven mode simultaneously (no need for extra CPU).
8. 20ms connection interval (default), quick to connect; Support AT instruction, to modify the baud rate of the serial port, gain MAC address and modify module name.
9. Support AT instruction, to adjust the Bluetooth connection interval and control the forwarding rate (dynamic power consumption adjustment).
10. Support APP; IO expansion.
11. 2 channel ADC input (14 bit).
12. 4 channel PWM (120Hz) output.
13. The RSSI successive acquisition, auto read, and notification to APP (used in anti-lost alarm).
14. Power indicator/alert.
15. Support anti-hijack password setup, modification, and restoration.
16. Ultra-low power consumption standby mode.

Package Includes :

1 x HM-10 BLE Bluetooth 4.0 CC2541 Wireless Module.

The ESP8266 NodeMCU CP2102 board has ESP8266 which is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor.

Features :

1. 11 b/g/n Wi-Fi Direct (P2P), soft-AP
2. Integrated TCP/IP protocol stack
3. Use CH340G to replace the CP2102.
4. Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
5. Arduino-like hardware IO
6. Integrated low power 32-bit CPU
7. Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
8. Code like Arduino, but interactively in Lua script.
9. Nodejs style network API
10. Event-driven API for network applications,
11. which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.
12. Greatly speed up your IOT application developing process.
13. Lowest cost WI-FI
14. Less than WI-FI MCU ESP8266 integrated and easy to prototyping development kit.
15. We provide the best platform for IoT application development at the lowest cost.
16. Integrated TR switch, balun, LNA, power amplifier and matching network
17. Integrated PLL, regulators, DCXO and power management units
18. Onboard USB to serial chip to easily program and upload codes from the Arduino IDE
19. Embeds logic level converter circuits
20. Has onboard 3.3V regulator to ensure enough power to function as your go-to WiFi chip!
21. Easy access to the GPIO pins for easy prototyping
22. ESP-12E Processor
23. Easy to use breadboard friendly form factor
24. Voltage Regulator / Converter, excellent DC to DC conversion, super-efficient

Package Includes :

1 x ESP8266 NodeMCU12E Lua WIFI Dev Board

The ESP 01 ESP8266 Serial WIFI Wireless Transceiver Module is a self-contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor.

Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that’s just out of the box)! The ESP8266 module is an extremely cost-effective board with a huge, and ever-growing, community.

This module has a powerful enough on-board processing and storage capability that allows it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime.

Its high degree of on-chip integration allows for minimal external circuitry, including the front-end module, which is designed to occupy minimal PCB area. The ESP8266 supports APSD for VoIP applications and Bluetooth co-existence interfaces, it contains a self-calibrated RF allowing it to work under all operating conditions and requires no external RF parts.

There is an almost limitless fountain of information available for the ESP8266, all of which has been provided by amazing community support. In the useful links section below you will find many resources to aid you in using the ESP8266, even instructions on how to transforming this module into an IoT (Internet of Things) solution!

Note:

1. The ESP8266 Module is not capable of 5-3V logic shifting and will require an external Logic Level Converter. Please do not power it directly from your 5V dev board.
2. This new version of the ESP8266 WiFi Module has increased the flash disk size from 512k to 1MB.

Features :

1. Wi-Fi Direct (P2P), soft-AP
2. Integrated TCP/IP protocol stack
3. It features an integrated TR switch, balun, LNA, power amplifier and matching network
4. Equips integrated PLL, regulators, DCXO and power management units
5. Integrated low power 32-bit CPU could be used as an application processor
6. SDIO 1.1 / 2.0, SPI, UART
7. STBC, 1×1 MIMO, 2×1 MIMO
8. A-MPDU & A-MSDU aggregation & 0.4ms guard interval
9. Wake up and transmit packets in < 2ms
10. Standby power consumption of < 1.0mW (DTIM3)

Package Includes :

1 x ESP-01 ESP8266 Serial WIFI Wireless Transceiver Module

Useful Links :

• NURDspace Wiki (Schematic, Datasheet, & More!)
• Instructables Tutorial
• ESP8266 Community Forum
• GitHub (ESP8266)
• GitHub (GCC-Xtensa)

As you may be aware, ESP32 boards are more popular than you might think, and AI THINKER is one of the leading manufacturers of development boards, has introduced a line of ESP32 boards. The most distinctive feature is that Ai Thinker is the only brand that produces official ESp32 boards.

One of the brands that make IoT modules and antennas is Ai Thinker. Because of the Bluetooth and wifi features, this board is gaining popularity due to its programmable and CAM properties, which allow it to be programmed and used in a compact manner.

Pin Configuration:

ESP32-CAM is packaged in DIP and can be directly plugged into the backplane for quick production. It provides customers with a highly reliable connection method and is convenient for use in various IoT hardware terminals.

Connection Diagram:

Useful Links:

1. To use this module, you need to copy-paste the link given following in the Preference section of File Menu. Stable Link :  https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json . After that, click on OK.
2. Go to Tools->Boards->Boards Manager. Search ESP32. Install it.
3. Now, go to Tools. You will see “ESP32 Arduino”. Search “AI Thinker ESP32-CAM” , select it.
4. Go to  File->Examples->Examples for AI Thinker ESP32->ESP32->Camera->CameraWebServer.
5. Open that file and in that file, uncomment the line: #define CAMERA_MODEL_AI_THINKER .
6. Go to Tools. Do not change any configuration settings. Select correct COM port.
7. Finally, Compile and Upload the code. While uploading, as soon as you see the “Connecting…”, press Reset Button on module and release it. Then you will see code uploading progress.
8. Once it is uploaded completely, go to Serial monitor, Remove  GPIO0-GND jumper cable, again press Reset Button and then you can see the output.
9. Copy the IP address to a browser,  you will see a new window with functions for camera. Click on “Start Streaming” and then camera will be turned ON.
   

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Features:

1. Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module
2. Low-power dual-core 32-bit CPU for application processors
3. Up to 240MHz, up to 600 DMIPS
4. Built-in 520 KB SRAM, external 4M PSRAM
5. Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC
6. Support OV2640 and OV7670 cameras with built-in flash
7. Support for images WiFI upload
8. Support TF card
9. Support multiple sleep modes
10. Embedded Lwip and FreeRTOS
11. Support STA/AP/STA+AP working mode
12. Support Smart Config/AirKiss One-click distribution network
13. Support for serial local upgrade and remote firmware upgrade (FOTA)

Package Includes:

1 x Ai-Thinker ESP32 CAM Development Board WiFi+Bluetooth with AF2569 Camera Module