Mantain the original oval form for both pieces of steel. The piece of steel equal in form (oval) surround the sensor antenna. This another earth reference is connected to ground. You can vary the angle of this oval form (the connected to ground) for to obtain better results.
Base is connected to a coil surrounding a portion of the steel antenna. The steel "transfers" the incoming "signal" to this "floating" coil.
Mantain the original oval form for both pieces of steel. The piece of steel equal in form (oval) surround the sensor antenna. This another earth reference is connected to ground. You can vary the angle of this oval form (the connected to ground) for to obtain better results.
Base is connected to a coil surrounding a portion of the steel antenna. The steel "transfers" the incoming "signal" to this "floating" coil.
dears WM6 and Esteban
because Ι am a strange person and if I see something i must make it my self so I can see if this works or not , I make it !!!
I make it with the audio generator of Esteban , i make also the antenna but it didnt work so I put an antenna in a box of cookies and when i come closer to the mouse of my PC i listen a noise at the buzzer
sorry WM6 but with your antenna , i hear nothing !!!!!!
friendly , epitopios
dears WM6 and Esteban
because Ι am a strange person and if I see something i must make it my self so I can see if this works or not , I make it !!!
I make it with the audio generator of Esteban , i make also the antenna but it didnt work so I put an antenna in a box of cookies and when i come closer to the mouse of my PC i listen a noise at the buzzer
sorry WM6 but with your antenna , i hear nothing !!!!!!
friendly , epitopios
dears WM6 and Esteban
because Ι am a strange person and if I see something i must make it my self so I can see if this works or not , I make it !!!
I make it with the audio generator of Esteban , i make also the antenna but it didnt work so I put an antenna in a box of cookies and when i come closer to the mouse of my PC i listen a noise at the buzzer
sorry WM6 but with your antenna , i hear nothing !!!!!!
friendly , epitopios
The beeper gen. works great. You need to regulate the preset very near the starting of beeps. For to test you should approach to a fluorescent tube or a TV screen. This must beep because the dispersion of 100 or 120 hz in fluorescent lamp or horizontal of TV. The type of buzzer must be with internal oscillator, this generate a nice tone. With other type you can't hear nothing.
The beeper gen. works great. You need to regulate the preset very near the starting of beeps. For to test you should approach to a fluorescent tube or a TV screen. This must beep because the dispersion of 100 or 120 hz in fluorescent lamp or horizontal of TV. The type of buzzer must be with internal oscillator, this generate a nice tone. With other type you can't hear nothing.
Hi Esteban, hi epitopios,
near fluorescent lamp choke must be clear signal with U rod and primary schematic too. If not, there is something wrong in circuit. U rod may not to be from feromagnetic (magnet may not stick on it), if there is not pure rostfree steel better use brass rod.
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near fluorescent lamp choke must be clear signal with U rod and primary schematic too. If not, there is something wrong in circuit. U rod may not to be from feromagnetic (magnet may not stick on it), if there is not pure rostfree steel better use brass rod.
This is true. With a headphone (better high impedance) connected via 100 nF you must to hear the cycles at more distance too.
Thanks
Then tell us results in the field.
Morgan,
after April until snow will melt ,at that time weather at my plays very heavy, we will see the results
Esteban
The beeper gen. works great. You need to regulate the preset very near the starting of beeps. For to test you should approach to a fluorescent tube or a TV screen. This must beep because the dispersion of 100 or 120 hz in fluorescent lamp or horizontal of TV. The type of buzzer must be with internal oscillator, this generate a nice tone. With other type you can't hear nothing.
Esteban ,
you are right , I try it before a TV set and a fluorescent and the noise of buzzer was bigger , but always with the cookies-antenna !!!
WM6
near fluorescent lamp choke must be clear signal with U rod and primary schematic too. If not, there is something wrong in circuit. U rod may not to be from feromagnetic (magnet may not stick on it), if there is not pure rostfree steel better use brass rod.
WM6
personally , when i saw that with your antenna I had no signal , I just figure out that with the cookies-antenna I had a signal with my pc mouse nearby
but i will try again with your antenna with a different metal , even i used brass rod
Esteban
This is true. With a headphone (better high impedance) connected via 100 nF you must to hear the cycles at more distance too.
I didnt try that yet , but i will do it maybe today
WM6
And first transistor used to be BC107C or BC547C type and if one use U rod out of brass to connect free end of coil on U rod.
As I wrote at the second page , BC107 and BC157 are retired.
so I used BC547 and BC557
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