Hello everyone,
My grandfather Hans has only one usable eye and has got an infection on it. We have read your contributions and he is very happy with them. Sorry but he can't work with it right now. Regards Marieke Op woensdag 23 maart 2022 om 17:22:42 UTC+1 schreef Kiste: > And here's the receiver, and a sample file. Mp3 does work at 1200baud, but > you shouldn't use less than 128kbit for encoding. At 80kbit I only got > garbage. Volume must be reasonably high, slowly turn louder until the error > LED is constantly off. > > Don't send too much data back-to-back, have pauses of like 10 ms every > second (but keep the tone on all the time) > > Don't assume error-free transmission, send data multiple times and check > when receiving. > > Greets, > Kiste > > > > Am Sonntag, 20. März 2022, 13:22:14 MEZ hat 'Oliver Seitz' via jallib < > [email protected]> Folgendes geschrieben: > > > Hi all, > > here's my encoder. I looked for something similar to the 12F683 which Hans > has in stock, and found some 12F629, which should be quite compatible. > > > C1: minimum 1µF, no need to be polarized > R1:680R..1k > C2: 100nF > R2:1k..4k7 > D1=D2: 1N4148, 1N4001 or similar, silicon, not schottky > > This gives a frequency which a line (AUX) audio input should be able to > handle. The receiver will be the same kind of chip, but it must have a > comparator and a reference voltage module. TMR0 will be used. > > The transmitter will work on any 6 or 8 pin controller, as it doesn't use > any peripherals. > > Greets, > Kiste > > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jallib/189584036.471955.1647778917998%40mail.yahoo.com > > <https://groups.google.com/d/msgid/jallib/189584036.471955.1647778917998%40mail.yahoo.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/2bdcd32b-101d-4d29-8397-ddbb370e4788n%40googlegroups.com.
