Re: [neonixie-l] Re: First Nixie Project Schematic Review

2015-06-12 Thread petehand
I was looking at my posts again and see I missed out a necessary tip. The ADC conversion period *must be longer* than the PWM rate, otherwise it may go crazy making multiple changes to the period in the same cycle. The ADC and the PWM don't need to be synchronized. I find making the conversion

RE: [neonixie-l] Heathkit IB-1101 Frequency Counter

2015-06-12 Thread Bill van Dijk
Nice find. In my collection I also have a 1101, as well as its big brother the 1103. The 1103 is very similar in looks, but has a row of push buttons on the front. I have a manual for the 1103, not for the 1101. Bill v From: neonixie-l@googlegroups.com

[neonixie-l] Re: Heathkit IB-1101 Frequency Counter

2015-06-12 Thread Terry Kennedy
On Friday, June 12, 2015 at 6:49:21 AM UTC-4, Nick wrote: Paid a visit to the The British Vintage Wireless and Television Museum http://www.google.com/url?q=http%3A%2F%2Fbvwm.org.uk%2Fsa=Dsntz=1usg=AFQjCNEZxlBh_4uLzX12QpOw4FxehoIhmw which is an extraordinary place - over 1,000 vintage

[neonixie-l] Re: Heathkit IB-1101 Frequency Counter

2015-06-12 Thread Nick
I believe that is the museum featured in The Secret Life of Machines Season 1 Episode 6: The Television. This YouTube video (starting at around 11:40) has an interview with the founder: https://www.youtube.com/watch?v=QEi1ggtO5Oc That's the place - obviously filmed a good few years ago (1988) -