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Discussion Title Created date
guide/tutorial about radio links and codec methods?
Hi, i am looking for a introduction about RF low power communications, talking about modulations, RF basics, and why manchester encoding is used for radio links. I need to...
Sunday, 12 July 2009 - 09:09
TTL/CMOS outputs driving leds
Hi, I've read that TTL/CMOS outputs shouldn't drive LEDs directly but using a transistor, but I've seen in many projects LEDs directly connected to the mcu port, ¿in which cases...
Thursday, 5 February 2009 - 23:44
output of a NAND gate when both inputs are floating
Hi, do you know which is the output of a NAND gate when both inputs are floating. I think it is low. Thank you!
Friday, 30 January 2009 - 07:55
Wireless link at 433Mhz doesn't work
Hi, recently I've bought a pair TX/RX radio link from Quasar (QAM-TX1 & QAM-RX4), I was prettey excited but my happiness quickly go away when I checked that the receiver gets...
Thursday, 29 January 2009 - 09:35