![]() I opened the terminal app on my Android phone and paired the BT-210, whose LED stopped flashing to remain still. The board switched on and the BT-210 started flashing blue. #define LED_PIN 14 // OpenCM9.04 board LEDĪfter uploading the sketch, I disconnected the board from the Mac and connected it to an external 5V powerbank via USB. I uploaded the following sketch on the OpenCM9.04 board, with the aim to switch on/off the board LED via bluetooth #define BTSerial Serial2 // OpenCM9.04 Serial2 port The same when entering text in the Arduino Serial Monitor window.įor this test I used an android phone with bluetooth and the “Arduino bluetooth controller” app. The BT-210 seemed connected (the LED stopped flashing and remained still blue), however I got no reply from it whatever command I entered in the Terminal (!, AT, ATZ, AT+BTROLE…). I started the CoolTerm app (a terminal for Mac) and switched on the connection with the ROBOTIS_210_F8 device (enabling Local Echo as instructed).The blue LED stopped flashing remaining still and the following message appeared in the Arduino Serial Monitor: “CONNECT 38f9d320bba1”. I switched on the Bluetooth connection on the Mac and paired the BT-210.I opened the Arduino IDE Serial Monitor (on the USB port).The blue LED on the BT-210 started flashing regularly. Once completed the upload, I removed the board, connected the BT-210 and connected the board again to USB.Following BT-210 e-manual page I connected the OpenCM9.04 to the USB port of the Mac and uploaded the “c_Serial_Serial2_Converter” sketch from Arduino IDE.To check the BT-210 device I did the following tests (repeated several times):įor this test I used a Mac Mini (Intel processor) However, when I try to use the BT-210 to pass text via the Serial2 port it seems that nothing goes to the board and I do not understand what I am doing wrong. The commands I am planning to use are already tested using a standard Arduino IDE serial monitor connected via USB to the Serial port of the OpenCM 9.04 My aim is to pass text strings via bluetooth to the OpenCM 9.04 as commands to control a robot I am building. The Arduino Uno board with an HC-SR94 Ultrasonic Sensor will be used in today’s demonstration.I am seeking for help in using a BT-210 device to connect an OpenCM 9.04 with other devices via bluetooth. In this part, I’ll teach you how to utilize CoolTerm to conveniently monitor real-time sensor data. CoolTerm for Arduino Data MonitoringĪrduino is a popular microcontroller platform that communicates through serial port. In this instance, we must utilize a serial terminal such as CoolTerm to evaluate data transmission and reception. ![]() This will assist us in ensuring that everything is functioning properly. Serial communication, as opposed to parallel communication (4, 8, or 64-bit), is common in embedded systems because to its inexpensive cost and effective long-distance transmission.Īs makers and engineers, we must occasionally examine the data exchanged between our products and computers. ![]() Serial communication is still utilized in many places today. What is the significance of serial communication? Parallel communication, on the other hand, transfers numerous bits at once across a few parallel channels. The fact that data is conveyed one bit at a time across a single channel distinguishes serial communication. Serial communication, as you might expect, is used to send and receive data to and from peripheral devices. CoolTerm is therefore a popular and reasonably priced alternative for those in need of a convenient and effective serial terminal software solution. Roger Meier’s CoolTerm is freeware/donationware that is available for Windows, Mac, and Linux platforms. CoolTerm is an easy-to-use terminal for serial communication with hardware attached to your computer through serial ports.
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