I would not think so. There are two coils in a latching relay, and only one in a conventional relay. So the electrical connections are not there, that would require a new PCB.
Max
On Monday, December 19, 2022, 04:04:57 PM CST, Amanda Hambidge via groups.io <valvewhiz@...> wrote:
Hi David,? first of all thanks for all of your work on these great tuners, when I got my kit I was sceptical, but once I got the board finished and tested it that vanished.?
Will it be possible to retro fit latching relays and upgrade the firmware on a non latching unit? Regards Amanda M0DZO