NRF51822 Ibeacon Wireless Bluetooth Module The NRF51822 iBeacon Wireless Bluetooth Module is a low-power, multi-protocol wireless system-on-chip (SoC) that is designed for Bluetooth low energy and 2.4GHz ultra-low-power wireless applications. This module is ideal for commercial advertising and indoor location-based services due to its accurate hardware and robust firmware. This NRF is a general-purpose, ultra-low power SoC that is ideally suited for Bluetooth Low Energy and 2.4 GHz proprietary wireless applications. This module is based on Nordic's high-performance wireless SOC chip NRF51822 and is a complete low-cost, low-power design for Bluetooth low-energy applications. The NRF51822 module is ultra-compact at 20mm diameter and can run from CR1632 coin-cell batteries, making it an ideal solution for wearable devices, IoT sensors, and other battery-operated devices. The NRF51822 is a multiprotocol SoC with Bluetooth Low Energy (BLE) and a 2.4GHz transceiver that supports both chip solutions and module solutions. If you're interested in programming the NRF51822 iBeacon module, note that Core Bluetooth is a fairly low-level framework and not very easy to learn. Applications:  Indoor navigation Mobile payment In-store shopping guide Flow analysis Package Includes: 1 x NRF51822 Ibeacon Wireless Bluetooth Module Specifications: Operating Voltage 2V to 3.6V Frequency 2402~2480MHz Number of channels 40 Emission current 10.5mA Transmission rate 1Mbps Dimensions 25x25x4mm Weight 4g

HC-05 Bluetooth Module Are you in search of an HC-05 Bluetooth Module, a versatile and cost-effective solution for your wireless communication needs? Look no further. This Bluetooth module offers seamless wireless communication for a wide range of applications, from GPS navigation systems to water and electricity meter readings. Whether you're an electronics enthusiast, a DIY hobbyist, or a professional looking for competitive pricing, this module is designed to meet your requirements. The HC-05 Bluetooth Module lets you switch between Master and Slave modes with ease using AT Commands, and it comes pre-configured in Slave Mode. Its compatibility with devices such as phones, laptops, and microcontrollers ensures hassle-free connectivity. With a USART interface, it's a perfect fit for microcontrollers supporting USART communication. Plus, you can configure its settings effortlessly using the command mode. Ideal for DIY projects and data exchange, this Bluetooth module provides LED feedback for seamless operation, giving you the best bang for your buck. Buy the HC-05 Bluetooth Module today and enjoy top-notch wireless communication at a competitive price. The HC-05 Bluetooth Module with Baseplate is a slave-only device.  This means that it can connect to most phones and computers with Bluetooth but it cannot connect to another slave-only device such as keyboards and other HC-06 modules. To connect with other slave devices a master module would be necessary such as the HC-05 module ,which can do both master and slave. The slave mode in HC-05 Bluetooth cannot initiate a connection to another Bluetooth device but can accept connections. Master mode can initiate a connection to other devices. Key

HC-05 Bluetooth Module with with TTL Output (Pack of 20) This is a 6 Pin HC-05 Wireless Bluetooth RF Transceiver Module Pack of 20. This is the compatible Bluetooth Module for Arduino. This Wireless serial communication can be established using the Bluetooth transceiver module HC 05. It comes with Bluetooth V2.0 protocol standard, mainstream Bluetooth chip, authentication and encryption security. The HC05 Bluetooth module can be used in master or slave mode. You can easily switch between these two modes. Slave mode is the default setting. Modes can be changed with AT commands. In slave mode, the HC05 cannot initiate connections to other Bluetooth devices but can accept connections. Master mode allows you to initiate connections to other devices. Wiring method: Power Supply (VCC): Connect the power supply positive Ground (GND): Connecting the cathode Receiver (RXD): The receiver, the Bluetooth module receives data from other devices, and the sending end TXD of the other devices normally Transmitter (TXD): Send end, Bluetooth module sends data to other equipment; the receiving end RXD of the other equipment normally Enable (EN): To enable the end, need to enter the at mode when 3.3V Note: The module default baud rate is 9600, the default pairing password for HC-05 Bluetooth Module is 1234, while the default name is HC-05. This 20 Quantity of HC05 Bluetooth Module can be bought at a very low price. HC-05 Bluetooth Module pack of 20 is ideal for School/Colleges, Offices, Sellers etc. Iotcart offers the best deal on Bluetooth Module at wholesale price.  Applications: Can be used to with Arduino based projects Can be used with android phones to control gadgets like Lights, motors, switches etc.  Package Includes: 20 x HC05 Wireless Bluetooth RF Transceiver Module Specifications: Input Supply voltage (VDC) 3.6 ~ 6 Input current (mA) 50 Maximum Operating Range Distance  10 Meters Operating Frequency 2.4GHz ISM band Modulation GFSK (Gaussian Frequency Shift Keying) Emission power 4dBm, Class 2 Sensitivity -84dBm at 0.1% BER Operating Temperature (℃) -20 ~ 75 Length (mm) 43 x 16.5 x 7 Weight (gm) 6

HM10 BLE Bluetooth 4.0 module The HM-10 Bluetooth module is a widely available and inexpensive Bluetooth 4.0 module that enables wireless data communication. As the cheapest Bluetooth module with 4.0 technology, it offers the latest advancements at an affordable rate. Based on the TI CC2540 or CC2541 Bluetooth SOC, this small 3.3v SMD Bluetooth 4.0 BLE module has become a popular choice for use with the Arduino due to its standard UART serial connection, which makes it easy to connect to the board. There are two versions of the HM-10, namely the HM-10C and the HM-10S, with both offering multiple communication methods. However, what sets the HM-10 apart from other bluetooth modules is its latest technology at the most affordable prices. Although the HM-10 is Bluetooth version 4.0 only, it is capable of supporting iPhone 4s or later, and it can be used to add Bluetooth features to any project. One of its key features is its low power consumption, making it a suitable choice for continuous data-sending devices in IoT applications. It is worth noting that the HM-10 cannot connect to Bluetooth 2/2.1 modules such as the HC-06 and HC-05 due to its 4.0 technology. HM10 Pinout: Pinout of HM10 BLE

Steval Bluemic 1 Evaluation Board The STEVAL-BLUEMIC-1 Evaluation Board incorporates an ultra-low power Bluetooth® SMART Application Processor that meets the requirements of BT specification v4.2. This board has a complete SW development kit, including the Bluetooth low energy stack, necessary drivers for audio and inertial data acquisition, and documentation. The STEVAL-BLUEMIC-1 is engineered for developing Bluetooth audio applications that demand high-quality sound. Its capabilities extend to low-power, highly-efficient voice control for remote controls and the Internet of Things (IoT) applications.The STEVAL-BLUEMIC-1 Evaluation Board features an SPBTLE-1S Bluetooth® SMART Application Processor, a 32-bit ARM® Cortex®-M0 core with outstanding performance. This module includes GPIOs, SPI, I2C, USART, PCM, ADC, and timers. The board also comprises an STBC02 Li-Po battery charger, an SPV1050 ultra-low-power energy harvester, and an MP23AB01DH MEMS microphone. This evaluation board adheres to CE, FCC, IC, and ARIB certifications.

NRF51822 BLE4 2.4GHz Bluetooth 4.0 Module The NRF51822 BLE4 2.4GHz Bluetooth 4.0 Module is a wireless module that uses the nRF51822 chip. This chip is a low power multiprotocol Bluetooth 4.0/2.4 GHz RF system-on-chip designed for wireless applications that require ultra-low power consumption. The module has a communication distance of up to 30 meters in open outdoor conditions at a data rate of 1M and operates on a frequency range of 2.4GHz with an operating voltage of 2.0V to 3.6V.The Bluetooth module is fully compatible with the NRF24L series and pinout compatible with NRF51xxx series, making it suitable for various applications such as wearable devices, Bluetooth intelligent applications, mobile phone accessories, RFID labels, smart home appliances, industry control, and data acquisition systems.The nRF51822 chip is built around a 32-bit ARM Cortex-M0 CPU with 256KB flash and 16 KB RAM. It has a flexible 2.4 GHz radio that supports Bluetooth Low Energy and 2.4 GHz, and is fully supported by the Bluetooth LE and ANT software development kit. Features Based on the nRF51822 SoC, a multi-protocol Bluetooth low energy/2.4 GHz dedicated RF single-chip solution Supports Bluetooth Low Energy (BLE) 4.0, a low-power, low-data-rate wireless protocol designed for IoT devices Equipped with a 2.4 GHz multiprotocol RF transceiver Contains an ARM Cortex M0 32-bit processor Includes 128-bit AES HW encryption for security Has 256kB flash and 16kB RAM for storage and processing Features programmable peripheral interfaces for flexibility Can communicate up to a distance of 30 meters in open outdoor environments with a 1M data rate Widely used in various applications such as PC peripherals, internet TV, toys, remote controls, sports/fitness/health sensors, and automation. Applications: Wearable devices Bluetooth intelligent application Mobile phone accessories RFID labels Smart home appliances Industry control Data acquisition system Package Includes: 1 x NRF51822 BLE4 2.4GHz Bluetooth 4.0 Module Specifications: Onboard chip nRF51822  Communication distance 30m Frequency range 2.4GHz Operating voltage 1.8V - 3.6V Operating temperature -40° ~ 85° Pinhead pitch 2 mm Antenna Onboard antenna Dimension 100 x 50 x 30mm Weight 150gm

Witty Fox WF-05 Bluetooth Module WittyFox WF-05 is a UART-based Bluetooth module capable of wirelessly communicating with devices such as your smartphones, laptops, and even other microcontrollers. The module incorporates the Feasycom BT986 Bluetooth chip which supports Bluetooth 5.2 and the latest technologies like Bluetooth Enhanced data rate (EDR) as well as Bluetooth Low Energy (BLE). It is pin-to-pin compatible with the existing HC-05 module and this module can easily be used to upgrade your existing projects to newer and more efficient Bluetooth technologies. This Bluetooth module itself has an onboard LED depicting the connection status and also has a “STATE” pin breakout to indicate to the parent device of the Bluetooth status. It also supports a relatively wide range of input voltage of 3.6-6V with reverse polarity protection to prevent accidental damage to the module.   WF-05 Bluetooth Module pin diagram Pin Description: VCC: Input Power (3.6-6V) GND: GND TX: Connected to RX of the microcontroller RX: Connected to TX of the microcontroller State: Indicates the state of Bluetooth connection (HIGH - connected, LOW - not connected If you want to use this Bluetooth module in your home automation , for that you will need few essential components like: Arduino uno breadboard Jumper wires Relay Applications: IoT Applications Wireless communication between phones & microcontrollers BLE broadcasting Robotics Home Automation Package Includes: 1 x Witty Fox WF-05 Bluetooth Module Specifications: Chip Brand Fesycom Chip Number FSC-BT986 Dimensions 47x30x10mm Weight 10gm

Bluetooth 5.0 Dual Mode BLE (Feasycom) The Bluetooth 5.0 Dual Mode BLE (Feasycom) is a high-performance, highly integrated Bluetooth 5.0 BR/EDR/BLE dual-mode module. It operates on the 2400MHz to 2480Mhz ISM frequency band and has a low power consumption of 5mA working current. It is also low cost with excellent performance. The module has a built-in PCB antenna and supports an external antenna. It is the best alternative for the Bluetooth HC05 chip as it has been obsoleted. The Bluetooth module supports communicating with the FeasyBlue app and many other Bluetooth apps. The Bluetooth 5.0 Dual Mode BLE (Feasycom) has a number of features that make it ideal for a variety of applications, including:

HC-06 Bluetooth Module The HC-06 Bluetooth Module is a cost-effective solution designed for establishing short-range wireless data communication between two microcontrollers or systems. Using Bluetooth 2.0 communication protocol, it can only function as a slave device. Compared to other methods, it provides more flexibility and can transmit files at a speed of up to 2.1Mb/s, making it the cheapest method for wireless data transmission.The HC-06 Bluetooth Module uses the frequency hopping spread spectrum technique (FHSS) to avoid interference with other devices and enable full-duplex transmission. It operates within the frequency range of 2.402 GHz to 2.480 GHz, allowing for reliable and efficient data transmission.The HC-06 Bluetooth Module with Base is a Serial port Bluetooth module that has a fully qualified Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation. It comes equipped with a complete 2.4GHz radio transceiver and baseband, utilizing CSR Blue core 04-External single-chip Bluetooth system with CMOS technology and AFH (Adaptive Frequency Hopping Feature). The HC-06 Bluetooth Module with Base also boasts a typical -80dBm sensitivity, making it a highly sensitive and efficient device for wireless data communication. Pinout: Pinout of HC-06 Bluetooth Module

NRF51822 Bluetooth module The NRF 51822 BLE 4.0 Bluetooth Module Wireless Low-power Development Board is a versatile wireless module optimized for ultra-low power wireless applications. It utilizes the nRF 51822, which is a multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC developed by Nordic Semiconductor.  Built around the nRF 51822 SoC, the Core51822 wireless module provides an easy-to-use interface for developers who want to incorporate Bluetooth connectivity into their projects. This module is ideal for wireless sensors, health and fitness trackers, smart home automation, and more. One of the standout features of the nRF 51822 is its ultra-low power consumption. With less than 10 µA power consumption in sleep mode, the nRF 51822 can operate for several years on a single coin cell battery. Designed to be user-friendly and integrate seamlessly with existing projects, the Core51822 module includes all necessary components, such as an onboard antenna, voltage regulator, and crystal oscillator. Additionally, it has several input and output pins that can be used to connect to other devices and sensors, making it a versatile option for various applications.

HC-05 Bluetooth Module A well-liked module like the HC-05 Bluetooth can give your projects two-way (full-duplex) wireless connectivity. With the help of HC-05, you can connect with any Bluetooth-enabled device, such as a phone or laptop, or with two microcontrollers like an Arduino, Node MCU ESP32 etc. and it requires bread boards, jumper wires to connect. Since the module uses USART to communicate, it is simple to connect to any microcontroller that supports USART. We can also set the HC-05 Bluetooth module's default values using the command mode. Therefore, this HC-05 module can be the best option for you if you're seeking a wireless module that can send data from your computer or mobile phone to a microcontroller or vice versa. The HC-05 Bluetooth Module with Baseplate is a slave-only device.  This means that it can connect to most phones and computers with Bluetooth but it cannot connect to another slave-only device such as keyboards and other HC-06 modules. To connect with other slave devices a master module would be necessary such as the HC-05 module ,which can do both master and slave. The slave mode in HC-05 Bluetooth cannot initiate a connection to another Bluetooth device but can accept connections. Master mode can initiate a connection to other devices. Key

DX-BT18 Bluetooth Dual Mode Module For SPP2.0 + BLE4.0 Transparent Serial Port The DX-BT18 Bluetooth modules are a type of wireless communication module that can be added to a project through serial or SPI communication protocols. The advantage of using Bluetooth modules is that they are easy to set up and use. The DX-BT18 module uses a serial protocol for communication. All Bluetooth modules that use serial communication protocol support AT Commands, which are listed in the datasheet of each product. DX-BT18 dual-mode Bluetooth module is a dual-mode Bluetooth module (Dual-Mode) that is specially designed for smart wireless data transmission by Shenzhen DX-SMART Technology Co., Ltd. and follows the Bluetooth 4.2 standard protocol. DX-BT18 module applies to wireless data transmission field, uses BT4.2 Bluetooth chip + PCB printed antenna design, SOC chip embedded BT4.2 Dual-Mode protocol stack, supports data transmission of Windows, Linux, Android, iOS and other systems and applications, with industrial design, transmission distance, data stability, simple operation, high-cost performance, and technology leading edge. Pinout: Pinout of DX-BT18 Bluetooth Module Features Dual-mode module following the Bluetooth 4.2 standard protocol Supports SPP2.0 and BLE4.0 protocols for wireless data transmission Uses a BT4.2 Bluetooth chip and has a PCB-printed antenna design Has 6 pins: VIN, GND, STATE, EN, RX, and TX Uses serial protocol for communication and supports AT Commands Designed for smart wireless data transmission Potential uses include wireless automation, remote control devices, IoT applications, and robotics. Application: Bluetooth wireless data transmission Hand-held POS devices Can be used in medical equipment for wireless data transmission Smart home control Car detection OBD equipment Bluetooth printer Bluetooth Remote Control Toy Anti-lost device, LED light control Package Includes: 1 x DX-BT18 Bluetooth module Specifications: Bluetooth Protocol Bluetooth 4.2 BR/EDR+BLE Working Frequency 2402-248MHz Communication Interface UART Power Supply 3.3V Communication distance 30-40M (Open and unobstructed environment) Physical Dimension 27mm x 13mm x 2.35 mm Bluetooth Authentication ROHS REACH FCC Bluetooth Name DX-BT18 Pairing Code 1234 (The SPP agreement is valid) Serial Port Parameters 9600, 8 data bits, 1 stop bit, No check, No flow control Service UUID FFE0 Notify\Write UUID FFE1 Write UUID FFE2 Storage temperature MIN: -40℃ - MAX: +140℃ Work temperature MIN: -20℃ - MAX: +85℃

HM-10 Bluetooth Module-China Make The HM-10 module is a small Bluetooth 4.0 module that utilizes the Texas Instruments CC2540 or CC2541 BLE System SoC (System on Chip). It operates on 3.3v SMD and can be controlled through the serial UART connection by sending AT commands. The main purpose of the HM-10 module is for wireless data communication, but it is crucial to note that it can only connect with Bluetooth 4.0 based modules, and not with Bluetooth 2/2.1 modules like HC-05 and HC-06.Due to its standard UART serial connection, the HM-10 bluetooth module is widely used with the Arduino and is available in two versions: HM-10C and HM-10S. The HM-10S is primarily for data transmission, whereas the HM-10C serves as a remote control version with PIO status. The HM Bluetooth modules use CSR or TI CC254x or Cypress chips, allowing them to operate as both master and slave roles. Pinout: Pinout Of HM-10 Bluetooth Module

Mini elm327 Bluetooth OBD2 ELM327 Bluetooth OBD2 Works on all 1996 to 2010 cars and light trucks. Software included in CD for smartphones (Android, Symbian), PC(Windows XP, Windows 7, and Windows 8). OBD-II Software for ELM327 Bluetooth is a free program that allows you to use your PC and a hardware interface to get information from your car's computer.  The program is very user-friendly and easy to learn. It is also very easy to install, simply extract the files into a folder on your computer's hard drive, and you're ready to go. To uninstall the program, simply delete the entire contents of the folder where the program resides. Compatible software: For Window version: ScanMaster-ELM, ScanTool.net, PCMSCAN For Android version: Torque, DashCommand, EOBD For Symbian version: OBDScope For Support System: Windows XP, Windows 7/8, Android, Symbian Applications:  Engine RPM Calculated Load Value Coolant Temperature Fuel System Status Vehicle Speed Long Term Fuel Trim Intake Manifold Pressure Timing Advance Intake Air Temperature Package Includes: 1 x Mini elm327 Bluetooth OBD2 1 x CD Specifications: Product  Mini elm327 Bluetooth OBD2 Dimensions  3 x 2 x 1cms  Weight  5 grams