bluetooth-clocks 0.1.0

Discovering Bluetooth clocks

You can discover supported Bluetooth clocks with bluetooth-clocks discover:

$ bluetooth-clocks discover
Scanning for supported clocks...
Found a ThermoPro TP358: address BC:C7:DA:6A:52:C6, name TP358 (52C6)
Found a Xiaomi LYWSD02: address E7:2E:00:B1:38:96, name LYWSD02
Found a ThermoPro TP393: address 10:76:36:14:2A:3D, name TP393 (2A3D)
Found a Qingping BT Clock Lite: address 58:2D:34:54:2D:2C, name Qingping BT Clock Lite
Found a Current Time Service: address EB:76:55:B9:56:18, name F15

These are the options that the discover subcommand recognizes:

$ bluetooth-clocks discover -h
usage: bluetooth-clocks discover [-h] [-s SCAN_DURATION]

options:
  -h, --help            show this help message and exit
  -s SCAN_DURATION, --scan-duration SCAN_DURATION
                        scan duration (default: 5 seconds)

Setting the time

Set the time of a clock with a given Bluetooth address:

$ bluetooth-clocks set -a E7:2E:00:B1:38:96
Scanning for device E7:2E:00:B1:38:96...
Writing time to device...
Synchronized time

If you want to regularly synchronize the time on the device, you can run this command as a service, e.g. with a systemd service or in a cron job in Linux.

These are the options that the set subcommand recognizes:

$ bluetooth-clocks set -h
usage: bluetooth-clocks set [-h] -a ADDRESS [-s SCAN_DURATION] [-t TIME] [-p]

options:
  -h, --help            show this help message and exit
  -a ADDRESS, --address ADDRESS
                        Bluetooth address (e.g. 12:34:56:78:9A:BC)
  -s SCAN_DURATION, --scan-duration SCAN_DURATION
                        scan duration (default: 5 seconds)
  -t TIME, --time TIME  the time to set, in ISO 8601 format (e.g. 2023-01-10T16:20,
                        default: current time)
  -p, --am-pm           use AM/PM format (default: 24-hour format)

Getting the time

Get the time from a clock with a given Bluetooth address:

$ bluetooth-clocks get -a E7:2E:00:B1:38:96
Scanning for device E7:2E:00:B1:38:96...
Reading time from device...
2023-01-14T17:54:17

These are the options that the get subcommand recognizes:

$ bluetooth-clocks get -h
usage: bluetooth-clocks get [-h] -a ADDRESS [-s SCAN_DURATION]

options:
  -h, --help            show this help message and exit
  -a ADDRESS, --address ADDRESS
                        Bluetooth address (e.g. 12:34:56:78:9A:BC)
  -s SCAN_DURATION, --scan-duration SCAN_DURATION
                        scan duration (default: 5 seconds)