MIT CharMaker1 extension ultrasonic sensor data graph

[Juan_Antonio]

Here is an example of sending random number from Arduino to App via Bluetooth HM-10

Remember that there is a delay between sending the message and displaying the data on the app screen, due to the transmission and the code.

HM-10. BLE. Arduino UNO. Notify. Bluetooth. AT. iBeacon. Arrhythmia

4.- Arrhythmia. Demo. p110_UNO_HM10_corazon.aia (186.2 KB) Arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats with a very irregular pattern. This Arduino code: // http://kio4.com/arduino/161_HM10_BLE.htm #include <SoftwareSerial.h> // El TXD del módulo al pin 2 (RX) del Arduino. // El RXD del módulo al pin 3 (TX) del Arduino. SoftwareSerial HM10(2, 3); void setup(){ Serial.begin(9600); HM10.begin(9600); } void loop(){ String nivel =…