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MIKROE-1715
30 g
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BLE2 Click is a compact add-on board that provides BT/BLE connectivity for any embedded application. This board features the RN4020, a Bluetooth Low Energy module from Microchip. The module is a highly integrated solution that comes with an RF, a baseband controller, and a command API processor in one package. It is a fully certified Bluetooth 4.0 module with an onboard Bluetooth Low Energy 4.0 stack. For data rates of up to 1Mbps and an operation range of up to 100m, it uses an onboard PCB antenna over a frequency range of 2.4 – 2.48GHz. This Click board™ makes the perfect solution for the development of low-cost Bluetooth low-energy applications such as building automation and sensor networks, portable medical, connected home, and more.
BLE2 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket.
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BLE2 Click is based on the RN4020, a Bluetooth Low Energy module from Microchip. The RN4020 includes 64KB of internal Flash memory. A neat feature of this module is a Microchip Low-energy Data Profile (MLDP) which enables an asynchronous serial data connection between two RN4020, which could be two BLE2 Click boards™. The module can be remotely controlled or updated Over the Air, by another module over a secure connection, or can be controlled/updated through its UART interface. In terms of security, the RN4020 comes with AES128 encryption.
BLE2 Click uses a standard UART interface, with commonly used UART RX and TX pins as its default communication protocol for exchanging AT commands operating at 115200 bps by default configuration to transmit and exchange data with the host MCU. Additional functionalities on this Click board™ come through pins of the mikroBUS™ socket. The module does not have a standard reset feature but a deep sleep-wake function. The WKE pin should be pulled in a HIGH logic state to make it run properly. The wake status is visually presented via the blue WAKE LED. The module connection status is visually presented via the green CONN LED while the host MCU is acknowledged over the CON pin. The CMD pin changes the mode between the Command mode and MLDP, with a LOW logic state for Command mode and HIGH for MLDP.
This Click board™ can only be operated with a 3.3V logic voltage level. The board must perform appropriate logic voltage level conversion before using MCUs with different logic levels. However, the Click board™ comes equipped with a library containing functions and an example code that can be used, as a reference, for further development.
Type
BT/BLE
Applications
Can be used for the development of low-cost Bluetooth low-energy applications such as building automation and sensor networks, portable medical, connected home, and more
On-board modules
RN4020 - Bluetooth Low Energy module from Microchip
Key Features
Fully certified Bluetooth version 4.0 module, AT commands over UART, firmware update over UART or OTA, MLDP mode for serial data applications, 64KB internal flash memory, and more
Interface
GPIO,UART
ClickID
No
Compatibility
mikroBUS
Click board size
S (28.6 x 25.4 mm)
Input Voltage
3.3V
This table shows how the pinout on BLE2 click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
Label | Name | Default | Description |
---|---|---|---|
LD1 | WAKE | - | Wake Status LED Indicator |
LD2 | CONN | - | Connection Status LED Indicator |
Description | Min | Typ | Max | Unit |
---|---|---|---|---|
Supply Voltage | - | 3.3 | - | V |
Operating Range | - | - | 100 | m |
Frequency Range | 2.4 | - | 2.48 | GHz |
Date Rate | - | - | 1 | Mbps |
RX Sensitivity | - | -92.5 | - | dBm |
TX Power | -19 | - | +7.5 | dBm |