https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=CC2540CC2540 - Revision history2026-07-22T00:12:12ZRevision history for this page on the wikiMediaWiki 1.37.2https://w.electrodragon.com/w/index.php?title=CC2540&diff=30621&oldid=prevChao at 08:55, 15 April 20212021-04-15T08:55:03Z<p></p>
<p><b>New page</b></p><div>== Schematic ==<br />
<gallery><br />
File:CC40 BLE Serial Data Breakout Board (Slave, CC2540 CC2541) shematic.png<br />
</gallery><br />
== Arduino Demo Code ==<br />
<syntaxhighlight lang="Arduino"><br />
//arduino uno wiring<br />
//BLE4.0 UNO<br />
//VCC----->3.3V<br />
//GND----->GND<br />
//EN------>GND<br />
//RX------>TX<br />
//TX------>RX<br />
//BCTS(NC)<br />
//BRTS---->GND<br />
<br />
int LED = 13;<br />
<br />
void setup()<br />
{<br />
pinMode(LED,OUTPUT);<br />
Serial.begin(115200); // baudrate 115200<br />
while (!Serial); // wait for serial port to connect. Needed for Leonardo only<br />
}<br />
<br />
void loop()<br />
{<br />
if (Serial.available() > 0) {<br />
char inChar = (char)Serial.read(); //read serial port data read serial port data<br />
Serial.write(inChar); //send back received data, if the phone app can read the return data means the communication is working well<br />
<br />
if(inChar == 'B'){<br />
digitalWrite(LED,HIGH); //led on when press button B<br />
}<br />
else if(inChar == 'R'){<br />
digitalWrite(LED,LOW); //led off when press button R<br />
}<br />
}<br />
}<br />
</syntaxhighlight><br />
<br />
<br />
[[category: TI Bluetooth ]]<br />
[[category: Bluetooth 4.0]]</div>Chao