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# Fazer a comunicaçao entre o cliente Ionic3 e o Arduino, via Bluetooth
- refatorando codigos
# Interaçao entre ar-condicionado e Arduino, via SSR e IR
# Teste dos sensores de presença
# RTC…
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If I use API bluetoothConnect, it returns nothing.And I suppose it's right so I use bluetoothWrite function.However, it returns NULLPointerError. How can I solve it?
PS.The remote bluetooth device is …
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Hi，
I have already upgrade the board file to latest version and choose esp32-c3 module as the target board, as well as a latest library. However, it also shows error when I tried to compile the examp…
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I want to make an android app for my as7341 sensor,but I m stucked here....In app inventor or sketchware ,how to receive data from Arduino without Bluetooth but using usb-otg cable??? Have any idea? P…
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I have been hours on google searching for the answer to this issue, and have worked with ChatGPT for a while on the "official" marlin distribution for 2.0.9.3,
MOTHERBOARD BOARD_BTT_OCTOPUS_MAX_EZ…
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hello thanks for your work! i'm currently stucked. I have uploaded this sketch:
ESP32_Bluetooth_Serial
ESP32_test
but i receive the message "Couldn't connect to OBD scanner"
i have this hardwa…
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你好，我使用ev3DEV r3时，遇到了蓝牙连接的问题，蓝牙连接成功后又会马上断开，我尝试了
```
sudo systemctl mask systemd-rfkill.service
sudo systemctl mask systemd-rfkill.socket
```
但是并没有得到解决，由于现在debian9.12的源不在支持更新了，所以也没有办法sudo apt-get …
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- [ ] Aplicación básica que recoge datos de bluetooth.
- [ ] Enviar datos al Arduino.
- [ ] Interfaz de usuario.
- [ ] Finalización.
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As it exists apps for Android and iOS, it would be nice if there were also an official Web App that uses the Web Bluetooth API to discover and communicate with Arduino Boards that support BLE.
Here a…
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```
1. Connect the phone to the arduino using amarino.
2. Place the phone in the mount
Result (not everytime)
- The bluetooth dongle flashes red.
- Amarino still says connect
- In monitoring on Amar…