![]() Go to Definition and Peek Definition What is Arduino IDE?.What is the Go to Definition feature of Arduino 2.0? New features of Arduino IDE 2.0:.Does the new IDE work with Arduino Cloud?.In the same Github repository you can also find the source code of the iOS application, you have to compile by yourself. If you have an Android smartphone, you can directly install the apk file for the application named BlunoBasicDemo (application of which the source code is also available). In this first post let’s explore the demo application DFRobot provides in a future post I’ll explain how to develop your application to interact with Bluno Beetle via BLE. In transparent mode Bluno transmits via BLE each byte it receives from Arduino (the ATmega microcontroller) and – viceversa – it sends to Arduino each byte it receives from BLE. This means that you can program the microcontroller using the Arduino IDE without any problems… just choose Arduino Uno as board and select the correct serial port: Windows will identify the new device as an Arduino Uno:Īs explained above, if the firmware running on the CC2540 chip is in transparent mode, using the USB connection you can talk directly to the ATmega328P microcontroller. You only need to do a manual installation specifying the path where you installed the IDE: The correct drivers are shipped with the Arduino IDE. It may happen that – if it’s the first time you connect the Bluno Beetle to your Windows PC – it is not correctly recognized: To exit the AT mode and go back to transparent mode, you have to send the AT+EXIT command. For example to display the firmware version: Now you can send the commands, appending the Windows line terminator ( CRLF). The firmware confirms the new mode with the sentence “Enter AT Mode”: To send AT commands, first you have to enter the AT mode of the firmware, sending the + character 3 times (without appending a line ending). If you then connect the Bluno to your PC and activate the serial monitor, each character you type is forwarded to the ATmega and viceversa. Normally the firmware runs in transparent mode, that is it acts as a “bridge” between the USB/BLE interfaces and the ATmega microcontroller. This firmware can be configured using AT commands. The CC2540 chip is actually a real microcontroller that runs a firmware developed by DFRobot. ![]() The two chips communicate via a serial interface: ![]() ![]() I expected to receive the usual anonymous parcel with the board inside an antistatic plastic bag DFRobot instead sends its products in an elegant cardboard box, protecting them with foam:īluno Beetle is really small and therefore perfect for wearable projects:īut what is it? Simplifying is a board, Arduino Uno compatible (it hosts the ATmega328P microcontroller) to which has been added the CC2540 chip from Texas Instruments to act as USB and BLE controller. It seemed the perfect board to start “playing” with the Bluetooth Low Energy (BLE) technology therefore I ordered one board directly from the DFRobot store. Some time ago my friend Mauro Alfieri showed me an interesting development board produced by DFRobot and called Bluno Beetle (now Beetle Ble). ![]()
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