Advent Calendar 2025 - Day 19

Day 19 of the Radio Advent Calendar. More work on the radio, then digging deeper into the Pulse-Ox sensor. Let's see how it works with other boards Advent Calendar: https://eight-innovation.com https://www.merchoid.com/ca/retro-rad... Patreon:   / basementelectronics   Buy me a Coffee: https://ko-fi.com/curtisireland Web Site: https://www.basementelectronics.com/ Facebook:   / basementelectronics   #kitbuild #electronics