Rimstar Crystal Radio. These radios run off the energy from the radio waves - no batteries r
These radios run off the energy from the radio waves - no batteries required. To use earbuds/iPhone earpods with a crystal radio you need to insert a transformer where the crystal How to make a razor blade diode for a crystal radio/foxhole radio. This is a radio that gets its power from the radio waves. This is my first-ever crystal set, other than one which Full details of how a crystal radio works, right down to the electron level. ) The How to use earbuds of earphones, including those from Apple, with a Crystal Radio. This involves using a pencil and a slightly modified razor blade to make a diode to use in I've wasted a lot of time and money building single variable capacitor crystal radios. I go step-by-step int Comprehensive site for crystal radios. They're great science fair projects, great for learning electronics and just Full details of how a crystal radio works, right down to the electron level. Aside from the germanium diode and earpiece, the radio can be constructed with things you're likely to find around your The Hobbytech Crystal Radio Page features Jim Frederick's Antique Crystal radios and the many Crystal Sets he has built, along with technical An old-school crystal radio, built out of a desire to understand wireless communications. I've done it for making coils for crystal Step-by-step details for how to make an amplifier for a crystal radio earphone or earpiece. It can be made portable because it has no long, horizontal antenna and no ground connection, . Making a crystal radio is a fun and relatively simple project that allows you to listen to nearby AM radio stations. To do this, put a transformer between the crystal radio's output and the e Earbuds/iPhone earpods with crystal radio. Crystal earphone/earpiece Crystal earpieces, or earphones, consist of a piezoelectric crystal attached to a diaphragm (see diagram below. No ground connection or long antenna needed. A crystal radio receiver, also called a crystal set, is a simple radio receiver, popular in the early days of radio. It uses only the power of the received The various crystal radios I've made over the years, including step-by-step instructions for making your own. UHF Crystal Radio A simple UHF Crystal The various crystal radios I've made over the years, including step-by-step instructions for making your own. Actually I experiment with a variety of piezo crystals. This goes step-by How to make a portable crystal radio using a loop antenna coil and all inside a pizza box. They just don't work. Info on the third annual xtal set bcb dx listening contest. If this one does not work, it's the last one I'm I make a loud speaker for a clock radio using a piezoelectric crystal. The jack for the earbuds would be A loop antenna crystal radio is one where the coil is a large loop and doubles as the antenna. To do this, put a transformer between the crystal radio's output and the e How to use earbuds of earphones, including those from Apple, with a Crystal Radio. Step-by-step instructions for making a tunable crystal radio. That includes a piezoelectric Coil design and inductance calculatorThis page walks you through designing your own DIY/homemade coil. This includes information about electrolytic and non-electrolytic Tips and tricks for getting a crystal radio to work. To use earbuds/iPhone earpods with a crystal radio you need to insert a transformer where the crystal earpieces would normally connect to a crystal radio. We start with a demonstration of all the parts in action, showing how the radio w How to make a homemade crystal radio earphone (earpiece) for a crystal radio, starting from a microwave oven piezoelectric crystal speaker.