I have been using AVR for more than a year, and there is a question that has always puzzled me. ATMEGA 16, 32, etc., the chip has 3 sets of VCC, GND, but I have never figured out whether all of them s
When P5.0 receives the trigger signal, P5.1 sends 8 positive 40khz, P5.2 sends 8 reverse 40khz, and pulls up P6.7 at the same time; after detecting that P6.0 is pulled down, pull down P6.7, which is t
After burning the MAC address and setting the IP address for the LM3S9B96 development board, I edited and executed the enet-uip routine, but the IP address did not appear on the LCD screen and the web