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the APP.
Upload the test code to control board successfully, then plug in the Bluetooth
module.
Open the Bluetooth APP, click
to start searching and pairing the
Bluetooth module. Click
to start connecting HM-10 Bluetooth module.
Connected, the built-in LED on the Bluetooth module will be from quick flash to
normally on.
On the input bar enter a letter a, and click to send, APP will print out the character
"keyestudio" and D13 indicator on the UNO R3 board will flash once.
Continue to send the letter a, APP prints out multiple "keyestudio" characters and
D13 indicator flashes.
10
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