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0 votes
1 answer
101 views

WiFi Transmitter/Receiver [closed]

I want to create a small, battery-powered electronic device to detect the presence of AC voltage after a power outage. It would then transmit notifications to that effect. The two components of the ...
ChuckE's user avatar
  • 1
2 votes
2 answers
986 views

What is the simplest 100km RF communication link there is?

I am looking for a technology for sending sporadic bytes over RF hundreds of kilometers away - assume line of sight. What should I look into to do that? What frequency? What modulation? Perhaps what ...
user42875's user avatar
  • 1,344
0 votes
2 answers
816 views

Designing mil-std-1553 transceiver [closed]

I need to design a mil-std-1553 analog front end transceiver to already designed digital 1553 ip for my ms thesis. So I need to convert digital 3.3V to analog specs level and receive and convert to ...
flec137's user avatar
0 votes
1 answer
184 views

Smaller ultrasonic transceiver

I am a beginner working on my Arduino-based proximity sensor array project, like this one. I have already tested the functionality with single HC-SR04 transmitter/receiver and now I would like to ...
J.M.'s user avatar
  • 1
2 votes
1 answer
646 views

DMX512 Remote controlled LED

I'm having a problem with this circuit. I am trying to get an LED wash light circuit to be remote controlled via DMX512. The problem is, after I designed the circuit for the RS485 (which will deliver ...
Anna's user avatar
  • 23