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What do I connect to vref? #2
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You only need to connect every line that is named U_Ref. No external connections. For a picture of the breadboard see the Documentation page again, I added one. I do not have a parts list, there are only a few parts in the schematic, it is not that difficult. |
So the u refs are connected to each other or to the lm393? |
Draw a line from each U_Ref to the other and remove the label, maybe that will make it more clear. |
Ah ok I get it. Now it's clear for me thanks. Will buildo it soon to test if it works. |
So now its clear I will close the issue. |
Sorry bbqkees i have another question. I see you used all through hole components. Which diodes (schottky) you used instead of a smd Bat54s+ and BAT46 package?? |
You can probably use 1N4148 diodes for all. There is also a big capacitor on the breadboard which is not present in the schematic, I added this to increase stability, but this is not mandatory. Also if you want to build the transmitter part with through hole components you can replace the BC847 transistor with f.i. a BC337. |
another question, |
Yes you need to connect those pins too, otherwise the chip itself has no power. |
thanks will do that, stupid mistake |
Yes it works now. Thanks for the help. |
question, how did you figure out the addresses, can't seem to find any similar entry's in the wiki. |
So if you read this page VERY carefully: Now check the UBAMonitorFast table. Now note the sequence of your question: 0x08 | 0x18 | 0x12 | 0x02 | //#9 8 status code 1st letter. So if you check the other parameters in the sketch you see that most of them are just a decoding of the UBAMonitorFast and UBAMonitorWWMessage message. |
In the schematics vref is named. But what should I connect it to?
And do you have some better pictures of your breadboard setup or a parts list from Farnell or something?
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