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LYWSD02 BLE
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| $ sudo stdbuf -oL hcitool lescan | grep LYWSD02 | |
| E7:2E:00:F0:20:8A LYWSD02 | |
| $ sudo hcitool leinfo E7:2E:00:10:50:A2 | |
| Requesting information ... | |
| Handle: 65 (0x0041) | |
| LMP Version: 4.2 (0x8) LMP Subversion: 0x10f | |
| Manufacturer: Dialog Semiconductor B.V. (210) | |
| Features: 0x1f 0x00 0x00 0x00 0x00 0x00 0x00 0x00 | |
| # Firmware | |
| $ gatttool -b E7:2E:00:10:50:A2 --char-read -a 0x14 | |
| Characteristic value/descriptor: 31 2e 31 2e 32 5f 30 30 34 32 | |
| # Date/time | |
| $ gatttool -b E7:2E:00:10:50:A2 --char-read -a 0x3e | |
| Characteristic value/descriptor: 88 6e 07 5f 02 | |
| # Temperature/humidity | |
| $ sudo gatttool -b E7:2E:00:F0:20:8A --char-write-req --handle 0x0009 -n 0100 --listen | |
| Characteristic Write Request failed: Internal application error: I/O |
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The last one, temperature/humidity, is
--handle 0x004con my device.