Projects, Designs, and Technical Stuff

Projects, Designs, and Technical Stuff

Show off your projects you are working on. Talk about designs or ideas, ask technical questions, and share technical information.

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ATX 12V drop (yes another ATX PSU thread)

Started by racitup on 12 Jun, 2024 19:37
Last post by racitup on 12 Jun, 2024 21:02

Views: 844, Replies: 3
[SOLVED] Help trying to understand voltage requirements from old data sheet

Started by gmc on 12 Jun, 2024 20:19
Last post by gmc on 12 Jun, 2024 20:31

Views: 650, Replies: 3
Looking for a source of high quality (EZ-Hook/BusPirate) jumpers

Started by amaschas on 04 Jun, 2024 05:21
Last post by amaschas on 12 Jun, 2024 18:51

Views: 2072, Replies: 8
SIM7080G - unable to connect with HiveMQ

Started by twizzter on 12 Jun, 2024 17:58

Views: 936, Replies: 0
How Are Power Supply Feedback RC Values Determined?

Started by Trurl on 17 Jan, 2024 17:27
Last post by Trurl on 12 Jun, 2024 16:20

Views: 4828, Replies: 18
Software wanted for the (rather old) Maplin N56FU multimeter

Started by Kintekobo on 17 Aug, 2015 20:57
Last post by coromonadalix on 12 Jun, 2024 15:24

Views: 5719, Replies: 7
NVM problem - SLG47105

Started by amintegia on 12 Jun, 2024 13:24

Views: 705, Replies: 0
Why do (some) opamps need to be "unity gain" stable or whatever?

Started by mkiijam on 08 Jun, 2024 15:34
Last post by m k on 12 Jun, 2024 11:30

Views: 7609, Replies: 17
Ultra Low Noise Lab Power Supply Extender for your existing lab supply

Started by branadic on 07 Aug, 2018 20:13
Last post by Gerhard_dk4xp on 12 Jun, 2024 09:18

Views: 36894, Replies: 71
How to intrepret the FT232HQ timing diagram?

Started by zapta on 12 Jun, 2024 04:10
Last post by zapta on 12 Jun, 2024 05:41

Views: 1598, Replies: 4
INA826 (instr. amp) - can I use mosfet to switch different gain resistors?

Started by dusan on 11 Jun, 2024 13:36
Last post by Doctorandus_P on 12 Jun, 2024 00:18

Views: 1069, Replies: 3
Inverting boost buck converter

Started by gmc on 11 Jun, 2024 14:41
Last post by mariush on 11 Jun, 2024 19:35

Views: 1010, Replies: 3
A spreadsheet for finding specific resistor ratios

Started by RnDMonkey on 11 Jun, 2024 19:32

Views: 989, Replies: 0
LCR Lab Grade Parameter Plotting "Fixture"

Started by mawyatt on 09 Jun, 2024 15:33
Last post by Nominal Animal on 11 Jun, 2024 19:32

Views: 1828, Replies: 4
GPIO protection termination resistor

Started by strawberry on 11 Jun, 2024 18:12

Views: 570, Replies: 0
Battery charge complete LED indicator

Started by kian0079 on 08 Jun, 2024 09:43
Last post by ArdWar on 11 Jun, 2024 04:07

Views: 2291, Replies: 8
Solar Moving Tail Wagging Dog,. Good potential for using parts

Started by RJSV on 08 Jun, 2024 20:05
Last post by RJSV on 10 Jun, 2024 23:39

Views: 1464, Replies: 5
Transient Limiter for Spectrum Analyzer Protection

Started by Jay_Diddy_B on 05 Aug, 2020 02:46
Last post by ironcurtain on 10 Jun, 2024 23:15

Views: 10007, Replies: 14
TC1185-5 LDO VOLTAGE REGULATOR

Started by microic on 10 Jun, 2024 07:24
Last post by ArdWar on 10 Jun, 2024 22:56

Views: 1386, Replies: 6
Insulation between motor laminations?

Started by TimNJ on 27 Apr, 2024 12:34
Last post by TimNJ on 10 Jun, 2024 15:29

Views: 2654, Replies: 9
Best way to trigger a phototransistor?

Started by nolan on 10 Jun, 2024 01:42
Last post by ledtester on 10 Jun, 2024 15:07

Views: 2019, Replies: 8
Cracked flyback core?

Started by metertech58761 on 10 Jun, 2024 06:09
Last post by metertech58761 on 10 Jun, 2024 14:42

Views: 1037, Replies: 3
Show me your "18650 on a PCB" solutions

Started by dusan on 09 Jun, 2024 12:10
Last post by voltsandjolts on 10 Jun, 2024 09:35

Views: 5704, Replies: 11
Mystery Voltage Regulator?

Started by KRB on 08 Jun, 2024 18:37
Last post by Xena E on 10 Jun, 2024 06:31

Views: 2472, Replies: 14
Triac blowing

Started by okw on 07 Jun, 2024 14:29
Last post by floobydust on 10 Jun, 2024 02:34

Views: 3858, Replies: 23
Request for review - ESP32-C3 Wroom Custom Board

Started by girishv on 05 Jun, 2024 12:15
Last post by girishv on 10 Jun, 2024 02:32

Views: 3000, Replies: 6
DAB converter With DPS modulation

Started by BurnedElectron on 09 Jun, 2024 20:01

Views: 787, Replies: 0
XC2S50-5FGG256AMS verses XC2S200-5FGG256AMS

Started by daveyk on 09 Jun, 2024 15:43
Last post by xvr on 09 Jun, 2024 19:45

Views: 785, Replies: 1
RC delay after comparator or buffer?

Started by okw on 09 Jun, 2024 13:17
Last post by shapirus on 09 Jun, 2024 16:59

Views: 1219, Replies: 3
Differential Probe Over Range Indicator Idea

Started by FxDev on 09 Jun, 2024 15:05
Last post by FxDev on 09 Jun, 2024 16:10

Views: 796, Replies: 1
What the hell happened to friggin' ceramic caps ???

Started by frogblender on 07 Jun, 2024 20:45
Last post by ConKbot on 09 Jun, 2024 07:37

Views: 4325, Replies: 24
Is there alternative to CAN Open magic

Started by Simon on 06 Feb, 2024 10:06
Last post by mupf.dev on 08 Jun, 2024 21:32

Views: 4663, Replies: 2
Creating 10.7 MHz from other frequencies

Started by DMartens on 07 Jun, 2024 08:56
Last post by PCB.Wiz on 08 Jun, 2024 21:12

Views: 1836, Replies: 7
De-rating of SPI master clock frequency

Started by Wilson__ on 08 Jun, 2024 17:12
Last post by globoy on 08 Jun, 2024 17:30

Views: 862, Replies: 1
Cell phone Accelerometer g force vector representation maths

Started by Wilson__ on 07 Jun, 2024 23:23
Last post by Wilson__ on 08 Jun, 2024 11:33

Views: 1181, Replies: 5
E-fuse parts with over-current warning period feature?

Started by HwAoRrDk on 05 Jun, 2024 10:33
Last post by HwAoRrDk on 08 Jun, 2024 10:27

Views: 1926, Replies: 6
Are Logic Circuits Still Used or Micros

Started by bostonman on 10 Mar, 2024 15:20
Last post by Njk on 07 Jun, 2024 14:18

Views: 42697, Replies: 65
Changing Pots to multiturn in a 30V/3A PSU

Started by JacquesBBB on 27 Jan, 2015 19:25
Last post by Bsupport on 07 Jun, 2024 14:00

Views: 31836, Replies: 59
Where to find motor replacement?

Started by eTimesV on 22 Feb, 2024 23:01
Last post by hneve on 07 Jun, 2024 12:11

Views: 32520, Replies: 22
Looking for datasheet/info on Agilent/keysight/HP 5086-7653 preamplifier

Started by nexus on 28 Dec, 2021 21:36
Last post by IW1EPY on 07 Jun, 2024 07:15

Views: 2917, Replies: 5

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Projects, Designs, and Technical Stuff

Projects, Designs, and Technical Stuff

ATX 12V drop (yes another ATX PSU thread)

[SOLVED] Help trying to understand voltage requirements from old data sheet

Looking for a source of high quality (EZ-Hook/BusPirate) jumpers

SIM7080G - unable to connect with HiveMQ

How Are Power Supply Feedback RC Values Determined?

Software wanted for the (rather old) Maplin N56FU multimeter

NVM problem - SLG47105

Why do (some) opamps need to be "unity gain" stable or whatever?

Ultra Low Noise Lab Power Supply Extender for your existing lab supply

How to intrepret the FT232HQ timing diagram?

INA826 (instr. amp) - can I use mosfet to switch different gain resistors?

Inverting boost buck converter

A spreadsheet for finding specific resistor ratios

LCR Lab Grade Parameter Plotting "Fixture"

GPIO protection termination resistor

Battery charge complete LED indicator

Solar Moving Tail Wagging Dog,. Good potential for using parts

Transient Limiter for Spectrum Analyzer Protection

TC1185-5 LDO VOLTAGE REGULATOR

Insulation between motor laminations?

Best way to trigger a phototransistor?

Cracked flyback core?

Show me your "18650 on a PCB" solutions

Mystery Voltage Regulator?

Triac blowing

Request for review - ESP32-C3 Wroom Custom Board

DAB converter With DPS modulation

XC2S50-5FGG256AMS verses XC2S200-5FGG256AMS

RC delay after comparator or buffer?

Differential Probe Over Range Indicator Idea

What the hell happened to friggin' ceramic caps ???

Is there alternative to CAN Open magic

Creating 10.7 MHz from other frequencies

De-rating of SPI master clock frequency

Cell phone Accelerometer g force vector representation maths

E-fuse parts with over-current warning period feature?

Are Logic Circuits Still Used or Micros

Changing Pots to multiturn in a 30V/3A PSU

Where to find motor replacement?

Looking for datasheet/info on Agilent/keysight/HP 5086-7653 preamplifier

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