my seveal thinknode M5\M1\M2 devices can not communicate with/see each other

Jennie

Please confirm that you follow the instructions in the "Usage" section of the link below for each of these devices, including scanning the QR code to join the same channel, etc.

https://www.elecrow.com/wiki/ThinkNode-M1_Transceiver_Device(Meshtastic)_Power_By_nRF52840.html#if-two-devices-want-to-communicate-they-need-to-join-to-the-same-channel-this-time-you-need-to-select-the-fourth-of-the-five-options-above-the-other-end-of-the-phone-needs-to-join-to-the-same-channel-by-scanning-the-code-or-entering-the-link-the-channel-can-be-customized-name-and-so-on