/challenges-projects/design-challenges/design-for-a-cause-2021/b/blog/posts/open-source-emdr-machine-5-bluetooth-troubleOpen Source EMDR Machine. The Whole Blog. Why I chose Bluetooth Attempt #1 Attempt #2 Attempt #3 And another ArduinoBLE difficulty To begin there is an explanation on how Bluetooth works. How does Bluetooth work? ...en-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/design-for-a-cause-2021/b/blog/posts/open-source-emdr-machine-5-bluetooth-troubleSun, 09 May 2021 20:50:12 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:bd34039f-2622-4b4a-b4d4-4161e3350c74BigG1<p>It&#39;s best to avoid using BLEStringCharacteristic. Instead create a byte array - you use BLECharacteristic for this purpose where you define your array size etc. It&#39;s much more efficient. </p><p>&nbsp;</p><p>Check out my blog where I created a byte array to send all the Arduino Nana 33 BLE IMU data.</p><p>&nbsp;</p><p><a class="jive-link-blog-small" href="/challenges-projects/project14/nano-rama/b/blog/posts/hatching-a-hockey-stick-hack-in-a-hurry">Hatching a hockey stick hack in a hurry!</a> </p><img src="https://community.element14.com/aggbug?PostID=11282&AppID=279&AppType=Weblog&ContentType=0" width="1" height="1">