inside a cordless drill (with schematic & gearbox autopsy) 

same. i had to fix a tab on mine so the electronics made sense, but i was still curious about the gearbox and the torque selector.

With eyes as big as saucers.

No, As big as Donuts!

the cat speaks only the truth. lol

​@@electronixTech the cat has big eeyeeees. lol

Even more saaalt The house is on fire noooow The whoole neighborhood is burniiiiing nooow

@@1marcelfilms the whole world is shaking and the humans are vibrating.

I used to know some engineers that designed power tools. This setup looks very familiar BTW. When driving screws, they'd measure up to 80 amps for a split second!

How do ya do this.

How do you know

@@TechHowden Elvis told me in a dream ;)

@Agustinus Reynaldi o9

Just buy one

@@martinbobak3009 .

You can find the schematic to it here: danyk.cz/reg60v.html It is all in czech though...

@@xxexplosivexxxxexplosivexx8512 i can't read it sadly

@@uiopuiop3472 you can change it to English

Why do you say thaaaaaaaat? Oh, it's your opinioooooooon ... I seeeeeeee.

@@50-50_Grind Yes, opinion.

@@scorobete. I tend to agreeeeee it's very funnyyyyyyy.

Like when you let off and it suddenly stops? That's usually implemented by just shorting the motor out when you let off the trigger. If I recall, this is basically the guts of a cheap Harbor Freight/China single speed drill. Have one somewhere still intact. Its pretty shitty with just some Ni-Cad batteries. But it can be abused with reckless abandon because its so cheap.

Is that the 90 degrees enclosure bracket that presses against the armature, is it a diode, or a heat measuring component for protection ?

@@mysock351C we need see a circuit for the braking force and how it works

Probably for seeing its speed

🇨🇭👍😀

@@Tag-Traeumer The power of Switzerland inside

@@RomanoPRODUCTION 😄 Rolex, Swiss Army Knifes, Schoggi... änd new: Puls Swiss for powerfull drilling machines.

Pppp0 mog

@@carmelopez8017 ???

I'm too

The mains ones are probably with a triac regulation...

The whole unit is useful. A gear reduced DC motor can have a lot of applications. Like Dan said a coil winder.

I've a similar I guess, I did replace the NiCd batteries with 4 18560 cells, then the brushes did burn a little ;-), I cleaned the motor brushes, now it works perfectly. I can recommend.

@@rogerbusser9100 Interesting, but what about charging?

NiCD just has the overcharge issue with cells left on the charger for too long. Most NiCD chargers lack a timing circuit to shut off power to the cell after fully charged. That killed both batteries on my craftsman drill... but they did last from 2008-2020. The Dewalt lithium stuff is really nice though. Surprisingly, their little hex collar chuck mini driver is quite cool. It has a gyro chip and is quite sensitive to a flick of the wrist. I thought it was a dumb gimmick at first, but after using it for awhile, it's freaking awesome. I even use it for drilling holes in plastic project enclosures using large wood cutting bits that have hex shafts. The wrist position input gives a tremendous linear modulation granularity without introducing extra unnecessary angular motion from pulling a trigger. The lithium drills also feel like they have a lot more torque. I never seem to hang a bit or get stuck, but I probably break a few more bits than I did in the past.

The gate is floating probably, there is no GS resistor. So, without the IC it may remained opened.

@@oraszuletik No, you could see it was still getting a PWM signal (same frequency) when it was bypassed. He showed it on the scope. And the body diode will definitely conduct in that case and connect the gnd, so no reason for the IC not to run.