2:13 Convert the Vertical grow lights to Circular Grow lights for my Basin Style Passive Tower BillyCdiy 452 views - 5 years ago
18:39 3. Drill holes on board - Fusion 360 design for FM Crystal Radio BillyCdiy 111 views - 5 years ago
5:01 Improve the DIY variable Cap using copper pipe on the FM Crystal Radio BillyCdiy 836 views - 6 years ago
13:18 DIY Variable Capacitor from copper pipes for FM Crystal Radio BillyCdiy 3.7K views - 6 years ago
8:48 Testing FM Watch Crystal Radio #freeenergy #wireless #crystalradio #billydiy BillyCdiy 957 views - 2 years ago