Search found 3 matches
- Thu Jan 27, 2022 5:07 am
- Forum: Geiger Counter
- Topic: External power from serial header
- Replies: 4
- Views: 24223
Re: External power from serial header
No idea on current. I evaluated the heat sink question by letting it run for a while and feeling the tab.
- Sat Mar 23, 2013 4:42 pm
- Forum: Geiger Counter
- Topic: External power from serial header
- Replies: 4
- Views: 24223
Re: External power from serial header
Yes it is. It has been plugged into my Raspberry Pi for a week now logging useless background count data.
- Wed Mar 20, 2013 12:43 pm
- Forum: Geiger Counter
- Topic: External power from serial header
- Replies: 4
- Views: 24223
External power from serial header
Because the recommended family of USB serial adapters have a 5 volt supply lead it is really trivial to use a 1904 regulator to provide power. I just wire wrapped the ground pin of the 1904 to pin 3 of the pulse header, the output pin to pin 1 and connected the input pin to pin 3 of the serial heade...