Tech at hand DIY

@UCrPpDn4HxSpwob8fOtJBQQQ - 1.5K subscribers

Tech At Hand DIY channel to share knowledge about electronic technology and electronic components. Tech At Hand DIY created for the purpose of sharing the passion for technology, spreading positive energy , eager to learn, to everyone. DIY a few electrical circuits about amplifying sound, amplifying current, controlling leds, combining electronic components..., a few small experiments. then experience the results. Tech At Hand DIY is not just an entertainment channel, but you will better understand the working principles and apply them in life. Thank you for watching the video. Remember to support by SHARE, LIKE, and SUBSCRIBE

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Induction heating - High frequency heating - Electronic circuit for metal heating

Induction heating - High frequency heating - Electronic circuit for metal heating Tech at hand DIY

1.3K views - 2 years ago

Metal furnace, Induction furnace, DIY high frequency heating electronic circuit

Metal furnace, Induction furnace, DIY high frequency heating electronic circuit Tech at hand DIY

671 views - 2 years ago

Do it yourself Simple tesla coil with 3.7v electric spark. Plasma

Do it yourself Simple tesla coil with 3.7v electric spark. Plasma Tech at hand DIY

374 views - 2 years ago

Simple tesla circuit, electric discharge tesla coil PLASMA

Simple tesla circuit, electric discharge tesla coil PLASMA Tech at hand DIY

156 views - 2 years ago

Do it yourself electric discharge, electric spark with transistor NPN

Do it yourself electric discharge, electric spark with transistor NPN Tech at hand DIY

574 views - 2 years ago

Do it yourself simple discharge circuit, electric spark. voltage increase

Do it yourself simple discharge circuit, electric spark. voltage increase Tech at hand DIY

338 views - 2 years ago

VOLTAGE ADJUSTABLE With LM317 and Transistor. How to use LM317 in electrical circuits

VOLTAGE ADJUSTABLE With LM317 and Transistor. How to use LM317 in electrical circuits Tech at hand DIY

4.7K views - 3 years ago

VOLTAGE ADJUSTABLE with TL431 and transistor. How to use TL431 in electrical circuit?

VOLTAGE ADJUSTABLE with TL431 and transistor. How to use TL431 in electrical circuit? Tech at hand DIY

2.9K views - 3 years ago

How to use zener diode? Voltage stabilizer IC 7805 . DIY Voltage stabilizer circuit

How to use zener diode? Voltage stabilizer IC 7805 . DIY Voltage stabilizer circuit Tech at hand DIY

3.7K views - 3 years ago

What are diodes. How to use diode Representation of AC current when using diode

What are diodes. How to use diode Representation of AC current when using diode Tech at hand DIY

350 views - 3 years ago

DIY Automatically turn on and off the pump. Water level sensor. NO IC SIMPLE

DIY Automatically turn on and off the pump. Water level sensor. NO IC SIMPLE Tech at hand DIY

227 views - 3 years ago

Do it yourself circuit to measure the water level in the water tank. Water level sensor circuit

Do it yourself circuit to measure the water level in the water tank. Water level sensor circuit Tech at hand DIY

667 views - 3 years ago

Measure voltage with LEDs . Display the number of volts by LED .Simple electrical circuit

Measure voltage with LEDs . Display the number of volts by LED .Simple electrical circuit Tech at hand DIY

576 views - 3 years ago

What is Transistor? How do transistors work? How to test a transistor

What is Transistor? How do transistors work? How to test a transistor Tech at hand DIY

1.2K views - 3 years ago

DIY inverter circuit DC 12v to AC 220v 50Hz 60Hz Square wave Iron transformer

DIY inverter circuit DC 12v to AC 220v 50Hz 60Hz Square wave Iron transformer Tech at hand DIY

24K views - 3 years ago

How transformers work - Principle and structure of transformers

How transformers work - Principle and structure of transformers Tech at hand DIY

1.5K views - 3 years ago

DIY I Love Y LED flashing meteor Simple No IC Led blinking circuit control

DIY I Love Y LED flashing meteor Simple No IC Led blinking circuit control Tech at hand DIY

220 views - 3 years ago

Transistor 3 phase oscillator circuit Loop phase, phase transition by RC oscillator Explain

Transistor 3 phase oscillator circuit Loop phase, phase transition by RC oscillator Explain Tech at hand DIY

3K views - 3 years ago

Circuit oscillating square pulse frequency 50Hz 60hZ frequency adjustment Easy to understand expla

Circuit oscillating square pulse frequency 50Hz 60hZ frequency adjustment Easy to understand expla Tech at hand DIY

40.8K views - 3 years ago

DIY voice amplifier microphone circuit Loudspeaker Sound detection Explain

DIY voice amplifier microphone circuit Loudspeaker Sound detection Explain Tech at hand DIY

653 views - 3 years ago

WOW! DIY AC current detection circuit in the wall Not touch Explain

WOW! DIY AC current detection circuit in the wall Not touch Explain Tech at hand DIY

483 views - 3 years ago

Electromagnetic speaker construction How to change voice coil simply at home

Electromagnetic speaker construction How to change voice coil simply at home Tech at hand DIY

2.9K views - 3 years ago

DIY Thermal Induction Circuit, control the device according to the temperature Overheat warning

DIY Thermal Induction Circuit, control the device according to the temperature Overheat warning Tech at hand DIY

3.2K views - 3 years ago

DIY Sound sensor electronic circuit LED lights flash to the music Very interesting but Simple NO

DIY Sound sensor electronic circuit LED lights flash to the music Very interesting but Simple NO Tech at hand DIY

314 views - 3 years ago

Adjust LED light intensity, engine speed. Use N MOSFET IRF3250. Simple electronic circuit. SUB

Adjust LED light intensity, engine speed. Use N MOSFET IRF3250. Simple electronic circuit. SUB Tech at hand DIY

506 views - 3 years ago

Read value resistors, color resistors, SMD paste resistors Characteristics of resistors R SMD, NTC

Read value resistors, color resistors, SMD paste resistors Characteristics of resistors R SMD, NTC Tech at hand DIY

240 views - 3 years ago

Structure and operation of the relay Use relay as an electronic circuit to blink LEDs

Structure and operation of the relay Use relay as an electronic circuit to blink LEDs Tech at hand DIY

531 views - 3 years ago

DIY electronic circuit strobe lights using opto pc817. Frequency adjustment. Simple No Ic .Explain

DIY electronic circuit strobe lights using opto pc817. Frequency adjustment. Simple No Ic .Explain Tech at hand DIY

12K views - 3 years ago

Do it yourself simple light sensor electronic circuit IC LM358. Adjust sensitivity. SUB. Explain

Do it yourself simple light sensor electronic circuit IC LM358. Adjust sensitivity. SUB. Explain Tech at hand DIY

254 views - 3 years ago

Do it yourself light sensor electronic circuit using Tip41. Automatically ON OFF. Explain. SUB

Do it yourself light sensor electronic circuit using Tip41. Automatically ON OFF. Explain. SUB Tech at hand DIY

301 views - 3 years ago

Do it yourself led meteor light. Shimmering light. No IC. Electronic Simple

Do it yourself led meteor light. Shimmering light. No IC. Electronic Simple Tech at hand DIY

1.9K views - 3 years ago

DIY LED lights flash with increasing music. Detailed instructions. NO IC. Subtitle

DIY LED lights flash with increasing music. Detailed instructions. NO IC. Subtitle Tech at hand DIY

767 views - 3 years ago

do it yourself LED circuit that blinks to the music. Simple. No IC. Tip41 transistors NPN

do it yourself LED circuit that blinks to the music. Simple. No IC. Tip41 transistors NPN Tech at hand DIY

1.3K views - 3 years ago

High quality audio Class A amplifier circuit, No IC, simple circuit do it yourself

High quality audio Class A amplifier circuit, No IC, simple circuit do it yourself Tech at hand DIY

704 views - 3 years ago

Do it yourself multi function power amplifier circuit with NPN transistor

Do it yourself multi function power amplifier circuit with NPN transistor Tech at hand DIY

3.1K views - 3 years ago

do it yourself simple powerful amplifier circuit with transistor D718 B688

do it yourself simple powerful amplifier circuit with transistor D718 B688 Tech at hand DIY

71.6K views - 3 years ago

Do it yourself powerful simple amplifier circuit transistor NPN D718

Do it yourself powerful simple amplifier circuit transistor NPN D718 Tech at hand DIY

4.7K views - 3 years ago

DIY simple amplifier circuit with NPN Tip41 transistor

DIY simple amplifier circuit with NPN Tip41 transistor Tech at hand DIY

488 views - 3 years ago

important choose a capacitor as the audio amplifier circuit

important choose a capacitor as the audio amplifier circuit Tech at hand DIY

948 views - 3 years ago