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3) Check the serial port in the Device Manager if your driver was installed. Here, it's COM8 .
NOTE : The Arduino board here we use is Romeo (Leonardo), which uses Serial1 instead of Serial in the code, if you use another Arduino, e.g. Uno, Mega, Bluno. please rewrite the Serial1.println() to Serial.println() .
APC220 module x2.
NOTE : The software will recognize the APC220 module and open the serial port COM8 automatically once opened. If it fails, please try to revise the COM port in the device manager to COM1 and restart the software.
For any question/advice/cool idea to share, please visit DFRobot Forum .
Arduino IDE 1.6.5 cannot display the message at all, we recommend using Arduino 1.0.6 serial monitor or an alternative serial monitor.
Working frequency: 420 MHz to 450 MHz Power: 3.5-5.5V Current: 1.6V 6 VCC 3.3V-5.5V Power 7 GND 0V Ground.
Another on computer to send “Hello”
Q&A Some general Arduino Problems/FAQ/Tips Q1 Why I can not connect the APC220 module after I opened the RF-magic software on my Window/Linux? A1 If you are using Mac or Linux, please note: 1) Linux: The current on the 'En' pin of adapter is different when using the USB-Serial board on Linux. The same issue happens on Mac . The solution is to not connect the En pin , using a cable, or a handmade breakout board. 2) Windows (64-bit OS): You should set the RF-Magic program's compatibility to "windows XP (Service pack 3)" and "run this program as administrator" Q2 I tried to test communication between two Arduino boards, but failed, any suggestions or example are appreciated? A2 Check the that baudrate setting in your code and the APC220 modules are all the same, e.g. they are all be set to 9600 . Examples can be found here APC220 appliaction on DFRobot Forum. Q3 Driver issue on Windows, after I downloaded and installed the latest driver from Silicon Labs, it just can't be recognized by my computer properly, the USB-TTL adapter I use is a yellow one. A3 The one with Yellow color but not Black is the old version, but the lastest driver should be compatible. Anyway, you could try this driver instead.
6) Set the other APC220 module again in the same way, with the same parameter setting.
Rf-magic apc220 download.
1) Screw in the antenna to the APC220 and plug it in to the USB-TTL converter, and then plug the converter in to your computer.
PC to PC via APC220.
This tutorial will guide you how to communicate between your PC and your Arduino Board wirelessly by two APC220.The PC will receive the message "Hello!" from the Arduino and print it on screen by serial monitor.
5) Configure RF-magic as in the red square frame below (default setting) , and click Write W to write your setting, then click Read R to read the parameters you've set.
NOTE : Please revise the Serial1 to Serial if your Arduino board is Uno, Bluno, Mega etc.
2) Upload the code below to Arduino ( Leonardo here we use).
APC220 to PC via RS232-TTL converter.
1) Plug one module in to