Pancake coil JT– radio transmitter.ASF
This video shows how the “Pancake coil JT” can be used as a short distance AM radio transmitter. I also show how I used a “radio direction finder” method to help navigate to Hawaii…
95 Search results
For the term "radio frequency for hhotrackback".
Self Starting Frequency Pulse Motor.ASF
This is a pulse motor that self starts and uses a variable frequency oscillator circuit. The oscillator starts with a low frequency that pulses an electromagnet. That electromanet pushes on an permanent magnet rotor…
Electric OU: Ainslie Demo Highlights 2: Determining Frequency with a Digital Oscilloscope
The LeCroy WaveJet 324 Digital Sampling Oscilloscope makes it very easy to determine the frequency of a displayed signal. Of course….. RTFM is always a good idea, if you are an expert consultant who…
Slayer Exciter –Indoor solar powered radio transmitter.ASF
This is the Slayer Exciter being run on indoor solar light only—no batteries. A small solar panel is capturing indirect solar energy through a window. The oscillator is shown not only illuminating LEDs but…
Homemade AM Radio in a wooden box.
This is my homemade AM radio installed in a wooden box. It is a simple “retro” radio design.
Cool Joule Radio Transmitter–hooked up to a laptop computer
This is a super simple wireless device that can broadcast the headphone output signal from a laptop computer to a nearby AM radio. I call it the ‘Cool Joule Radio Transmitter’. The circuit is…
Amplified Crystal Radio with and without ground wire
This is further study into the AM crystal radio using a homemade amplfier to boost the output signal and drive a speaker. The device is shown first running without an earth ground and then…
Wave Trap filter for crystal radio
This shows a crystal radio add on device called a “Wave Trap”. It helps block out an overpowering radio station so that you can hear weaker stations.
Simple AM radio using MK484 IC
This is a simple AM radio receiver that use an integrated circuit chip called the MK484 as the main component. This simple radio will run on one AA battery using an earphone. I show…
Andrea Rossi ECAT
reader About ECAT The ECAT will revolutionize energy production as we know it. The energy generated by an ECAT has the following features: •   High Energy Density Fuel (200 000 times oil) •   …