High Voltage DC-DC Converter on NE555 Switching DC-DC converters are designed for both increasing and decreasing voltage. With their help, you can…
Simple 12VDC/220V inverter circuit for transformers with NE555 Usually the simplest converter from 12 to 220 V is built on…
Universal IR remote control from a smartphone The smartphone has long migrated from the category of ordinary phones, which…
Sound amplifier chip TDA2030AI found an unnecessary board from the TV. My eye was attracted by the TDA203A microcircuit. I know that…
Lm317t power supply diagram. Power supply ON lm317. Schemes and calculationsThe microcircuit has been a hit among novice radio amateurs for more…
Description of the schemeThe components that I added to ATX are highlighted in green. In series with the Voltage regulator,…
Induction heating is very fast. With heaters made according to this principle, metal blanks for hardening are red-hot in production facilities. Similar…
I saw a wifi signal extractor made of mosquito coils on cnbeta a few days ago. I heard that the…
Today I am going to make an USB power bank, using 4 laptop batteries. It happened that my colleague had…
This post will show you how to make a quality microscope out of an old webcam . This is really easy to do. Step 1: materials…