Recent content by meridian

Has anyone built one of these? Can't find it with search... I am part of a small group that wants to put up a VHF/UHF repeater. The specs I have been given: On startup send Morse code ID then start a 10 minute timer. If no activity send Morse Id again. Waiting for carrier detect. On...

Yes, I now this has been raised many times. I can download to an 08 on the breadboard. I previously could send to a 14M and an 08M OK Now I am getting the error. I changed the PS to battery pack but it made no difference. I have other chips that respond with No Hardware found. Is it an...

Hi All, Long time, no posts. Nice to see the old faithful team of hippy, Dippy, westaus55 et al still on board. The good ship Meridian was sold nearly three years ago and we are now residing in Bathurst NSW, home of the famous race track. After a quiet period, now getting back into various...

A couple of years ago we discussed the need for an extension of the anchor alarm on Meridian, as my wife wasn't with me and my mate who was helping, was equally hard of hearing. Part of the problem was that there was no signal wire for the anchor alarm which gets triggered by the GPS when the...

10 years ago Meridian was in Hobart. I picked up a copy of Silicon Chip (as I usually did each month) and there was Stan's article about the Picaxe 08. And lo, the words reached the ears of many and they did cast aside the venerable 555 for this new smart gadget. I still have all of those...

I just saw this machine at http://www.boredpanda.org/skittles-sorting-machine-brian/ and thought 'A picaxe could do that'. Maybe it is. Anyway 'axers, there's the challenge! This one certainly looks well designed and made. paulr

I lost this post somehow ... I know it won't mean much to many readers of the forum, but Dennis Ritchie, the co-inventor of UNIX and C has died. Read the obituary here http://www.guardian.co.uk/technology/2011/oct/13/dennis-ritchie it traces the development of computing since the 60's...

but as my Mum said, 'there is more than one way to skin a cat'. On the good ship Meridian, we have to show a white light while at anchor. There is a 10W incandescent at the top of the mast, but nearly 60' up in the air isn't where most people are looking. Anyway, long ago I made one to hang...

I have never worked with SMD. The other day I was wandering through hardware/electrical store in Phuket. There on the bench was a Chinese made Rework station for Thai Baht 1800 or less than $60. Seemed very cheap for a fairly hefty lump of kit. How much would you pay in UK? paulr

For those who came in late, Meridian is the name of our yacht that we live on (currently in Borneo http://www.winlink.org/dotnet/maps/PositionReportsDetail.aspx?callsign=vk2ahb). Introduction: One of the hazards of anchoring is that wind and tide can exert forces on the vessel exceeding the...

I am probably the 100,000th person to have this problem. I haven't used my proto board for some years, but it is working with Stan's single digit thermometer. All the programming links are in place, the cable looks OK. Pin 2 Serial goes to leg 7 Pin 3 serial goes to the junction of the 10k and...

I am planning a controller for my diesel generator. Probably a 20M to measure various temp inputs and control relays for throttle, alternator, etc. Anyway, in the engine room after a couple of hours running, the temp is about 45C. After many hours of the Detroit Diesel running (up to 24 if...

G'day from Darwin, I have a Kenwood TS-50 Ham transceiver with matching AT-50 automatic antenna tuner. The radio is a bit flakey and beyond economic repair. A friend has arranged another HF radio but it doesn't put out any signals regarding what band it is transmitting on. The first solution...

The PE only gives the option of 16 COM ports. When I connect the USB serial adapter I might get COM45 f'rinstance. I then rename it to say COM5 and it (sometimes) works. Can PE give say 64 ports? Please?!? paulr

Hi All, This is what I have come up with as a first pass for the intruder alarm. I am sure there are plenty of ways to skin this cat, and I welcome alternative suggestions. Regards paulr 'Burglar alarm v0.4 'Mooloolaba 2nd April '09 'Using Jaycar PIR/Microwave detector 'Sensor NC...