FNIRSI GC-01 [IMPORTANT PRODUCT UPDATE] ☢️

A comprehensive review of the popular GC-01 Geiger counter with a full teardown and some suggestions on how to upgrade this product. Foton Gamma video (adding a resistor to create the particle sounds) There is one errata, I didn&specify when I soldered the other end of the capacitor I added (12:17). If you pause at 9:55, the other end is connected to R33, at the side that is shown downward in this photo. Apologies for missing that and many thanks to @Tschubritza for pointing this out! 00:00 Introduction to the FNIRSI GC-01 00:48 Who&product is this anyway? 02:50 Product Features and Specifications 05:13 Testing the Device 07:44 Tear-down 11:04 Upgrading the GC-01 12:34 Re-Testing the product 13:18 Summary and Conclusions 15:26 Suggestions for the Manufacturers 16:22 Errata - what I later learned about this thing 17:37 Close-out ,,,,,,#gammarays