Bluetooth-シリアル接続

↑

Hardware

Raspberry Pi
M5Stack

↑

OS

Linux
└OpenWrt
Windows

↑

Program

D
C
C#
Java
Python
Javascript
Ruby
Rust
vim

Raspberry Pi/Raspberry Pi OS Lite

bluetooth †

↑

/etc/systemd/system/dbus-org.bluez.service †

変更前
```
ExecStart=/usr/lib/bluetooth/bluetoothd
```

変更後

ExecStart=/usr/lib/bluetooth/bluetoothd --compat
ExecStartPost=/usr/bin/sdptool add SP

↑

/etc/suystemd/system/rfcomm.service (新規作成) †

[Unit]
Description=RFCOMM service
After=bluetooth.service
Requires=bluetooth.service

[Service]
ExecStart=/usr/bin/rfcomm watch 0 1 /sbin/agetty rfcomm0 115200 linux

[Install]
WantedBy=multi-user.target

反映
```
sudo systemctl daemon-reload
```
再起動

Bluetooth-シリアル接続

CONTENTS

Hardware

OS

Program

bluetooth †

/etc/systemd/system/dbus-org.bluez.service †

/etc/suystemd/system/rfcomm.service (新規作成) †