Matthias random stuff

15:14

Efficiency cores are about performance more than efficiency

Shared 1 week ago

42K views

19:25

New computers don't speed up old code

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Shared 1 month ago

180K views

8:31

Measuring microns with digital calipers

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Shared 2 months ago

73K views

6:59

How this "free energy" machine "works", hiding video cuts

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Shared 2 months ago

649K views

8:38

How do thermal IR cameras even work without liquid nitrogen?

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Shared 2 months ago

86K views

10:36

What does a PID controller do?

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Shared 2 months ago

250K views

11:17

Small signal high noise and dealing with it

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Shared 3 months ago

31K views

8:14

Digital calipers Raspberry Pi interface

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Shared 3 months ago

136K views

16:39

Servo vs steppers: Speed, Torque and Accuracy

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Shared 5 months ago

82K views

8:03

Industrial servo marble catapult

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Shared 6 months ago

70K views

10:43

Thermal Infrared monocular: Cool gadget, but not everything I imagined

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Shared 6 months ago

60K views

6:58

Clip leads made with fake wire

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Shared 7 months ago

487K views

2:57

Hack to ensure glue gun gets unplugged after using it

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Shared 7 months ago

61K views

8:04

49 MHz remote control tx by flipping I/O lines

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Shared 8 months ago

36K views

12:16

Hanmatek DOS1104: Good budget scope, but annoying user interface

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Shared 8 months ago

35K views

10:48

Measure tweezers: Cool measuring gadget, lousy tweezers (Fnirsi LRC-ST1)

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Shared 8 months ago

37K views

3:31

Replacement battery cover from sheet metal

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Shared 8 months ago

31K views

8:26

Position sensing with a rotary magnetic encoder

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Shared 8 months ago

63K views

15:59

Fnirsi-1014D vs Rigol DS1202Z-E

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Shared 9 months ago

120K views

8:52

This laptop has no brain

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Shared 10 months ago

95K views

8:40

Domes: So cool but so impractical

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Shared 11 months ago

75K views

8:04

How bad you get zapped before a GFCI trips

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Shared 11 months ago

66K views

17:12

Gochifix 3 in 1 scope meter review

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Shared 1 year ago

31K views

9:12

Fixing a benchtop power supply I built 37 years ago

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Shared 1 year ago

53K views

16:46

Solar panning camera build and eclipse shenanigans

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Shared 1 year ago

52K views

5:41

Magnetic rotary encoder vs stepper motor accuracy

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Shared 1 year ago

169K views

8:22

Making a solar eclipse projector

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Shared 1 year ago

46K views

8:29

How storing passwords let hackers bypass two factor authentication

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Shared 1 year ago

76K views

10:11

Washer motor wiring to reuse for projects

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Shared 1 year ago

172K views

10:46

Closed loop stepper motors -- very impressive

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Shared 1 year ago

160K views

23:24

What killed the Blackberry

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Shared 1 year ago

68K views

3:13

Levitating pipe mystery solved

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Shared 1 year ago

50K views

9:33

Sucking down on this cone makes it rise, and Feynman sprinkler

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Shared 1 year ago

116K views

9:04

More uses for infrared cameras -- Buildings, farming, machinery

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Shared 1 year ago

28K views

13:29

Best heater to keep me warm at my desk

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Shared 1 year ago

69K views

8:27

Pi pico therapy timer and C vs. micro python

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Shared 1 year ago

30K views

8:16

Making radioactive balloons using Radon gas

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Shared 1 year ago

58K views

2:09

Your vision isn't what you think it is -- see for yourself

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Shared 1 year ago

57K views

10:47

Air flow: It's all about fan thrust

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Shared 1 year ago

94K views

6:35

Calibrating my anemometer for measuring really low wind speeds

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Shared 1 year ago

49K views

13:46

Raspberry pi Pico programming in C -- microwave oven monitor and reminder

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Shared 1 year ago

41K views

13:26

Dreo vs. Vornado air circulators

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Shared 2 years ago

207K views

16:15

ChatGPT: Its awsome... and it sucks. But still impressive

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Shared 2 years ago

61K views

9:27

ex-Blackberry guy reviews Blackberry movie

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Shared 2 years ago

94K views

10:15

What does an air fryer do?

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Shared 2 years ago

73K views

14:50

Ugreen PowerRoam 1200 battery power station test and review

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Shared 2 years ago

56K views

8:29

Let the microwaves be free

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Shared 2 years ago

118K views

18:49

Blackberry trailer reaction and talking about RIM back in the days

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Shared 2 years ago

76K views

2:50

I bought a scam energy saver and made it actually save energy!

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Shared 2 years ago

710K views

15:07

Rigol DS1202 Z-E scope review

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Shared 2 years ago

52K views

9:26

We get slightly nearsighted at night, corneal aberrations, and stars

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Shared 2 years ago

35K views

14:49

Exploring the world in infrared with a thermal camera

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Shared 2 years ago

114K views

8:04

Air purifier vs. wood stove

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Shared 2 years ago

121K views

12:01

Transformer core saturation and imbalance

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Shared 2 years ago

45K views

11:13

Two 120 volt inverters in series to make 240 volts

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Shared 2 years ago

53K views

11:28

DIY eye test, work out Rx for glasses

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Shared 2 years ago

65K views

11:42

How efficient are our minisplit heat pumps in the winter

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Shared 2 years ago

401K views

7:17

How not to kill a DeWalt flexvolt battery prematurely

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Shared 2 years ago

201K views

12:08

Inverters don't like power tools

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Shared 2 years ago

173K views

11:06

I ticked off a sponsor

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Shared 2 years ago

375K views