Search found 4 matches

by bgrattan
Thu Mar 21, 2019 11:08 am
Forum: Geiger Counter
Topic: Mightyohm Geiger counter online (via serial com port)
Replies: 7
Views: 13756

Re: Mightyohm Geiger counter online (via serial com port)

Hello, I'm having problems with several of the graphs produced by the program kindly supplied by "chankly" and "jason." The minutes scale seems to be showing odd values 0, 100 m to 500 m with no calculations of max, min and ave. See attached. However, the uSv graphs seem to be wo...
by bgrattan
Tue Jul 03, 2018 6:49 am
Forum: Geiger Counter
Topic: Geiger Counter IoT
Replies: 3
Views: 7067

Re: Geiger Counter IoT

Hello, I am using the GC with the IoT mod by dmainmon using an esp8266. Very nice combination and my appreciation to Jeff and dmainmon! In the debug section of the software there is a voltage reading of the source (3.12 v) which can be displayed. I would like to also display the correct HV but don’t...
by bgrattan
Mon Jun 18, 2018 4:08 am
Forum: Geiger Counter
Topic: voltage problem Geiger Counter
Replies: 6
Views: 3216

Re: voltage problem Geiger Counter

Thanks, Jeff, if it looks good to you then I must be ok. Now I need to find a source of radiation to make sure I’m picking things up as I should. I’ll adjust my HV to 215 to agree with yours. Much appreciated and a very nice kit!
Bob
by bgrattan
Sun Jun 17, 2018 2:05 pm
Forum: Geiger Counter
Topic: voltage problem Geiger Counter
Replies: 6
Views: 3216

voltage problem Geiger Counter

Hello, I purchased a kit from Adafruit with SMB-20 and case. It seems to be picking up random radiation but the HV_Adjust doesn't seem to be doing anything--it works the same on both ends of the pot. I don't have a source to test it other than bananas which don't seem to do much. Here are my voltage...