Using RFID over MQTT to help track trains around a model railway layout

I've been tinkering with RFID for a long time but could never seem to get it working. The penny finally dropped and I found that it's going to be a useful tool in improving the use of my DCC throttle and cab signals project.

Links (I don't have any affiliate links)
The library I lifted some code from for tag processing https://github.com/johannrichard/SeeedRFIDLib

The cheap reader https://www.ebay.co.uk/itm/264467188226?itmmeta=01J173YB474AX16C8QQEA4MCH8&hash=item3d93790a02:g:iF0AAOSwxOdi6Px3&itmprp=enc%3AAQAJAAAA4ENf8UeeSdiFRf6BjLN2m5WVMQm86WTqSFxTAu1eifP3VqXFdUU3OAfgrwD74mapWai3zA0AEksy612ht73kgF2qpejgKGDmonofKYyuUDdRlVQZswTNKSBwrcfeaBklgJyKAGAYZ8M%2FIQQZ44PSJdBdQzYZmEuxsOaV1tfyfvldejp%2BUSJdkmekpjfROnl2ieM8uhlO2R%2FYwhhyirLVCMTQFpo%2Bz3Rcg9QFA%2FHEuxYTa58FowWd85TYEbtcFCMSgXTLQwiFryygVmsfvIhgJ%2FWUT0f1K1RDnv0%2F%2B8kCnPtL%7Ctkp%3ABk9SR5qy-eOJZA

Seeed reader https://www.ebay.co.uk/itm/387026396453?epid=1972547644&itmmeta=01J173ZV06HEDXWR44WEPFGD2G&hash=item5a1c922525:g:YQkAAOSwX81mTtoz&itmprp=enc%3AAQAJAAAA0AtUH1B2SjNHsBskStlq0kpqbj6JgzOFVB7U8mCIBE7yi49pWOdU6rioouzxZHyqPULf2N8FcXCg%2BY%2BYm8oMuxybCQxv7kZBPsU3FjF47XSI2XiaGA9kbYlFRv6KTCiGCK0PXrsTdatqkQlu7JawvShBB4AgrSw9zfiLh16gu3IwRBrEqjL0peCMMeKglXN%2FBtoBfz0g339We4Ob7wJZCPe9GRazbvrsWZiMGW%2BA18Zu1V99s9gi%2B588p9xtDps8sp63o2POZbL2mMR0JcbSRq0%3D%7Ctkp%3ABk9SR5aw_-OJZA

Code - this is a link to the repo I use to back up all of the code for my 'live nodes' - I've put a bit of documentation in there too https://github.com/Vintage80sModelRailway/Nodes-for-JMRI

#modelrailway #modeltrains