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Small Transformer 14x19x15h
Old_Grey: One mark looked on the right spot, but the other looked about another 10º retarded - the vid kind-of shows the 2 marks -. Because it uses a wire wrapped around an ignition lead it must be...
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Small Transformer 14x19x15h
Boy did this topic go sideways. The Schottky and cap are do-able, but I’ll have to research the MOSFET. I had a STP60NSO4Z working on the bench, but I had to switch to the 2N7000 because it wasn’t...
View ArticleHum-900-prc part
It does not have to have a board antenna a wire type can be connected to pin 19
View ArticleHum-900-prc part
On page 98 it says "The HUM-900-PRC-UFL and the HUM-900-PRC-CAS must use one of the antennas in Figure 108 in order for the certification to be valid. " On Page 100 it has “Specialty Styles Linx...
View ArticleSmall Transformer 14x19x15h
Thanks Old Gray! i still made Radio amateur projects, so this part is very usefull!
View ArticleHum-900-prc part
I’m using this data sheet: linxtechnologies.com man-hum-900-prc.pdf 3.67 MB On page 88 it specifies a 4 layer board (which Fritzing doesn’t support) to create the appropriate RF strip line for the...
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Solder mask keepout issues
Fritzing doesn’t seem to be using a consistent keepout distance around my SMD pads. In the attached image, you can see that some pads have no keepout, some have a small keepout of around 2 mils, and...
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Small Transformer 14x19x15h
OK, I was lazy and only did schematic here and I haven’t tested this but I think it should work. Timing_light_new.fzz (12.4 KB) I swiped the 555 circuit for a monostable from here (which also has the...
View ArticleSolder mask keepout issues
I have seen similar issues with parts i’ve edited. It has to do with the way the pads are written in the svg file. I am not sure exactly the why but I do know for me I had to remove the pads from...
View ArticleXenon Flash Tube U
I don’t know how to draw glass for BB view Xenon Flash Tube U v1 - Xenon Tube U.fzpz (7.5 KB)
View ArticleSmall Transformer 14x19x15h
SCH is fine, and I only filled in the BB for fun. Sorry L1 is only a single strand of open-ended wire that I wrapped 20x around the outside of the ignition lead and only gives out about 200mV on my...
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Small Transformer 14x19x15h
My fault! I swapped the direction of the diode and screwed up the wiring. I hope the coil voltage level is because R3’s value is too low, I increased it to 470K which will need much less current to...
View ArticleHum-900-prc part
I am connecting Linx tomorrow to make sure that understand correctly I will let you know as soon as I hear back from them. Thanks Chris
View ArticleSolder mask keepout issues
Thanks—I did make those parts, so I’ll try messing with the SVGs to see if I can get it worked out. I am getting a stencil made, but if I need to I can edit the Gerber file for the paste layer to...
View ArticleSmall Transformer 14x19x15h
Opps, it blew out the LED after 1 flash. Changed R1 10R to 1K and the LED stays on. I think MOSFETs need a pull-down on the gate, but that did nothing either.
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How to créate a streapboard the same like in the picture?
Hello everyone, I am French and I am a beginner on Fritzing as well as on this forum. I wish I could create a stripboard like the one visible in this photo : (I have many breadboards like this one) I...
View ArticleHow to créate a streapboard the same like in the picture?
If you start Frtizing and in the parts bin (the window on the right) scroll down to breadboard view the third icon from the left is strip board. If you drag a copy of that in to breadboard view you...
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Small Transformer 14x19x15h
Old_Grey: Opps, it blew out the LED after 1 flash. Changed R1 10R to 1K and the LED stays on. Duh! I should have thought of that. Looks like the timer was triggered continuously and blew the led with...
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