Diy metal detector | Diy CD4011 Metal detector

Diy bench power supply

Diy metal detector | metal detector for deep hunt | pirate metal detector

Diy police flasher | Diy flip flop Leds | Diy LED chaser

Diy tda2030 amplifier |Diy simple amplifier | Diy powerful amplifier

Diy powerful and easy metal detector v.2 | Diy pirate metal detector

Diy metal detector | diy powerful and simple metal detector

Diy arduino metal detector | Diy arduino pinpointer | Diy metal detector | with target separator

Diy soldering iron | soldering iron from transformer

Diy easy and sensitive metal detector | Diy metal detector

Diy high voltage transformer | diy taser | diy stun gun

Diy winding machine | coil winding machine

Diy pocket metal detector | Diy metal detector

Diy metal detector | diy pin pointer

Diy water level indicator

2 Diy metal detector | 2 simple and easy metal detector

Diy 40V 45A voltage regulator | diy DC motor speed controller

Diy 220v inverter using optocoupler

Diy amplifier with tip41 and tip42 | powerful amplifier

Diy easy backlight tester

diy auto night light using D882

Diy vu Meter using LM3914

Diy metal detector (simple and powerful)