Tenco Technology: Electronicmanufacturer

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11/16/2018

[Electronics] ZVS various gameplay

Recently I got a computer power supply, try ZVS, and play various games.
Overall picture

Computer power, took 12V14A

Still the original ZVS

Transformer, secondary winding 100 turns, primary 5+5, note method

Click on a 100W incandescent lamp

Induction heating, screwdriver 15 seconds burn red

Silicon steel sheet burned for 5 seconds

Screw 20 seconds burn red

Can also have a fan

Then wireless transmission, distance up to 6cm

Pulling the arc, using 7-cell lithium battery in series, the voltage is 28.8V, the breakdown is about 3CM, and it can be pulled to 7CM.

Burning iron wire, sparks really dazzling

Come to two circuits

As for the capacitor, I use the CBB61 here, more than 100 W, no problem working for a long time.

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11/14/2018

[Electronics] Change the mini Tesla coil with the waste power box

This is a distributed-parameter high-frequency resonant transformer that can obtain high-frequency voltages of millions of volts. The principle of a Tesla coil is to use a transformer to boost the normal voltage and then discharge the device from the discharge terminal via a two-pole coil. Simply described, it is an artificial lightning generator. There are tesla coil enthusiasts around the world who make all kinds of devices
power box

side

Made of pure steel, very strong
Seeing the SGTC I used to do, I was so confused that I thought of making a case with this power box.
Sgtc is a spark gap Tesla coil, the circuit diagram is as follows

Start making
My homemade electric drill

First make a hole in the lid of the box, then put on the switch

Playing 4 eyes, install the terminal block

Do some decoration

At this time, the inside will be like this

Sorry, so messy
Now start connecting circuits, this is my zvs

Venue using irfz44

High voltage package (Sony)

Pull arc effect (12V4A input)

This is my high voltage capacitor made of foil tape.

Firearm

Assembled and placed in the box

Cover and twist the screws

Next round is the first time debut

primary

Secondary

Another big secondary that has not been circumvented

connection

power supply

Ground wire

Discharge diagram

too bright
Try moving in the dark
The effect is good, oh yeah

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11/13/2018

[Electronic] Adjustable laptop power supply

The notebook is very convenient to use, but the battery is fully charged and quickly loses power. Although there are a lot of notebook mobile power supplies on the market, the price is generally difficult for people to accept, so I made this notebook power supply.
This power supply can use 12V lithium battery, 12V lead-acid battery, 12V car power input, boost to 12v to 35V for notebook power supply.

Materials needed: 1. MDF
2. DC-DC booster board
3.USB buck board
4. Several wires
5.DC plug three
6.DC socket two
7. Car power plug

Required tools: 1. Electric iron
2. Hot melt glue gun
3. Hole opener
4. Diagonal pliers
5. Stripping pliers

DC-DC booster board

USB will press the plate

Start making:
The first step: 1. Cut the MDF to a suitable size. 2. Use a hot melt adhesive to glue the MDF into a box (do not install on the top and right side of the box). 3. Open the hole on the left side of the box and secure the DC socket with hot melt adhesive.

Step 2: 1. Remove the voltmeter of the booster board and extend it with a wire.

2. Remove the potentiometer and extend it with a wire and fix the potentiometer, voltmeter, USB port and DC socket to the MDF with hot melt adhesive. 3. Apply the hot melt adhesive to the right side of the MDF.