Which. I really desire to I’m able to make a great radio that have an enthusiastic RP2040, but the frequency is actually reduced to possess far from HF groups which need huge, high priced antennas. I am focusing on and work out one which have an effective Raspberry Pi, nevertheless does not have any a beneficial DAC, thus indicators need to be delivered having fun with PWM, and this demands good filters become used for transmitting. Complete, it’s going to be a massive deceive occupations. On top of that, Adafruit carries microcontrollers having 900Mhz LoRa radios, that is in an enthusiastic unlicensed ring to possess down strength play with. 続きを読む →