VielenDank für den Tipp, genau das habe ich gemacht. Leider kommt folgende error Meldung: C:\Users\hallo\Documents\Arduino\libraries\ESP32_BLE_Keyboard\BleKeyboard.cpp: In member function 'void BleKeyboard::begin()':

C:\Users\hallo\Documents\Arduino\libraries\ESP32_BLE_Keyboard\BleKeyboard.cpp:105:19: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'String'

105 | BLEDevice::init(deviceName);

| ^~~~~~~~~~

| |

| std::string {aka std::__cxx11::basic_string<char>}

In file included from C:\Users\hallo\Documents\Arduino\libraries\ESP32_BLE_Keyboard\BleKeyboard.cpp:7:

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLEDevice.h:41:27: note: initializing argument 1 of 'static void BLEDevice::init(String)'

41 | static void init(String deviceName); // Initialize the local BLE environment.

| ~~~~~~~^~~~~~~~~~

C:\Users\hallo\Documents\Arduino\libraries\ESP32_BLE_Keyboard\BleKeyboard.cpp:116:32: error: no matching function for call to 'BLECharacteristic::setValue(std::string&)'

116 | hid->manufacturer()->setValue(deviceManufacturer);

| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~

In file included from C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLEServer.h:23,

from C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLEDevice.h:21:

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:79:8: note: candidate: 'void BLECharacteristic::setValue(uint16_t&)'

79 | void setValue(uint16_t &data16);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:79:27: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'uint16_t&' {aka 'short unsigned int&'}

79 | void setValue(uint16_t &data16);

| ~~~~~~~~~~^~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:80:8: note: candidate: 'void BLECharacteristic::setValue(uint32_t&)'

80 | void setValue(uint32_t &data32);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:80:27: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'uint32_t&' {aka 'long unsigned int&'}

80 | void setValue(uint32_t &data32);

| ~~~~~~~~~~^~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:81:8: note: candidate: 'void BLECharacteristic::setValue(int&)'

81 | void setValue(int &data32);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:81:22: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int&'

81 | void setValue(int &data32);

| ~~~~~^~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:82:8: note: candidate: 'void BLECharacteristic::setValue(float&)'

82 | void setValue(float &data32);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:82:24: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'float&'

82 | void setValue(float &data32);

| ~~~~~~~^~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:83:8: note: candidate: 'void BLECharacteristic::setValue(double&)'

83 | void setValue(double &data64);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:83:25: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'double&'

83 | void setValue(double &data64);

| ~~~~~~~~^~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:77:8: note: candidate: 'void BLECharacteristic::setValue(uint8_t*, size_t)'

77 | void setValue(uint8_t *data, size_t size);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:77:8: note: candidate expects 2 arguments, 1 provided

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:78:8: note: candidate: 'void BLECharacteristic::setValue(String)'

78 | void setValue(String value);

| ^~~~~~~~

C:\Users\hallo\AppData\Local\Arduino15\packages\esp32\hardware\esp32\3.2.0\libraries\BLE\src/BLECharacteristic.h:78:24: note: no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'String'

78 | void setValue(String value);

| ~~~~~~~^~~~~

exit status 1

Compilation error: exit status 1

Wissen Sie, was ich da tun kann?

Vielen Dank und viele Grüße.

...zur Antwort

Klar, das geht bei Android wunderbar. Sogar bei Handys.

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