https://devzone.nordicsemi.com/f/nordic-q-a/68821/how-to-send-all-key-value-by-hid-keyboadHi, im use the example of nRF5_SDK_16.0.0_98a08e2\examples\ble_peripheral\ble_app_hids_keyboard and i change the code of static void hids_init(void) like this: and i test in my Android phone ,my phone can receive the key code ,from 0x00 to 0xe0en-USTelligent Community 13Fri, 27 Nov 2020 12:23:56 GMThttps://devzone.nordicsemi.com/thread/282253?ContentTypeID=1Fri, 27 Nov 2020 12:23:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36e971a3-8ba6-4c6f-85ff-7ed09046fdecovrebekk<p>Hi</p> <p>Have you been able to sniff the communication with the working nrF52810 keyboard?</p> <p>Then you should see the HID protocol descriptor used, and how it compares to your HID protocol descriptor.&nbsp;</p> <p>Best regards<br />Torbjørn</p><div style="clear:both;"></div>