James Shao
James Shao
Hello, I am using hackrf_sweep to watch the spectrum. Most of the time, the signals would show upwards from the noise floor, but sometimes the signals are jumping downwards. Is...
Hello there, I made one of this 16SoundsUSB according to your design files. I found there is actually no microphone on board, instead there are 16 RJ45 sockets. According to...
Hi all, I have been busy updating a crowd funding project of a mini drone. It's not only a drone but also can help SDR enthusiasts learn hardware and firmware...
I enabled the speaker in software. Its volume (together with mute or unmute) is controlled together with the headphone for the moment. If anyone has a analog speaker can have...
https://www.youtube.com/watch?v=b6_569e_MSc I modified pocsag tx and rx. Now portapack can send information between each others. They can be switched to Positive or Negative phase. Need more test with pocsag receivers.
I implemented nrf24l01 decoder, which is designed to decode remote controllers for small quadcopters. I have tested it with crazyradio pa. Ideally, the sample rate should be 8MHz after decimation...
Can show you the mac address of ble devices around you However it's still buggy. I bypassed crc test, only preamble and address is judged, which caused some bits mistaken....
Q&A
Hello backers, Thanks for supporting this campaign. Should you have any question or difficulty in assembling the mini-drone, please leave a comment here. I will answer your questions so that...