This Schematic need to try

[humhum]

Originally Posted by Pahom

Hello Hum Hum. Unfortunately, there is no result on my test site with your scheme. The circuit works like a capacitive device. And the generator on the 555 timer is not very stable.

Yes Pahom , Right is that this Sch is capacitive device ,
, about astable Freq. Generation of NE555 , You need use a good
Faraday cage for not to be affected by environmental factors , so will be more stabil .