Hello, I would like to build my radio using only solar power. The red connections are the connections for the solar panels. The blue wires are the connections for the radio. Are the black wires needed to connect the individual solar contacts to allow current to flow to the radio? If the circuit board conducts…
Hello everyone, I have already tested 2-3 FM radio circuit diagrams and only received noise. The circuit below is the one I have currently soldered together. I calculated C1 and L so that they fit into the 80-100MHZ band, and I replaced the BF494 with 2N3904. I have tested both the LM386 and a class…
I am a passionate Eurovision nerd, and the day before yesterday I even found an internet radio station that plays ESC music 24/7 in very good radio quality, which is completely different from all the music videos you usually hear. Now the question arises: Is it technically possible to get such quality yourself or do…
Is there a visualization somewhere of how EM waves propagate in space? I'm having trouble imagining it and can't find anything. If not, why not? One could create standing waves using interference and then measure the E and B fields throughout the room, and then convert these measurements into an image.
Beautiful good day, Is it possible to learn the old profession of radio and television technician? I am very interested in old technology, I would like to learn how everything works and how to repair things. Unfortunately, the profession no longer exists. Are there still people offering training courses or online courses? Would like to…
Regular broadcasting began in Germany on October 29, 1923. Radio has undergone numerous transformations in its relatively short history since then. One hundred years later, the question arises as to how relevant radio as a medium still is today… The beginnings of radio While humans have been creating images and texts for millennia, the dissemination…
Hello, I would like to buy a micro switch with printed circuit board. Can it be put on a breadboard, or is that not possible?
Good day, Do Volksempfänger radios consist of toxic components or do the tubes contain toxic substances or possibly mercury? VG
Hello, I'm currently building my own radio and a few of these buttons are missing or have broken. What are the "buttons" called and where can I buy them? It says H-1 and 119