Update for this old thread: https://social.yakshed.org/@bascht/109184826136397851 [https://social.yakshed.org/@bascht/109184826136397851]
Double checked the old barrel connector and that power supply had 10V, so USB wouldn’t have helped. Went with a standard 8xAA battery housing instead. Bit of a hassle to charge it now, but still happy.
