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.

Topics
banana jacks with missing contacts?

Started by coppercone2 on 01 Nov, 2024 06:43

Views: 578, Replies: 0
Odd results using DE-5000(LCR) to measure characteristic impedance of coax

Started by bitslip on 31 Oct, 2024 08:21
Last post by G0HZU on 31 Oct, 2024 23:21

Views: 1478, Replies: 2
NiMh battery charging IEC 61010 safety considerations

Started by DorianM223 on 28 Oct, 2024 09:07
Last post by temperance on 31 Oct, 2024 22:00

Views: 2212, Replies: 9
Looking to convert a RS Robie Sr

Started by lokin4areason on 30 Oct, 2024 15:39
Last post by lokin4areason on 31 Oct, 2024 20:38

Views: 568, Replies: 1
JLCPCB impedance calculator - wildly wrong?

Started by davegravy on 30 Oct, 2024 23:07
Last post by davegravy on 31 Oct, 2024 20:15

Views: 1915, Replies: 5
OIP3 from IIP3 of ZFL750 question

Started by john23 on 31 Oct, 2024 06:12
Last post by G0HZU on 31 Oct, 2024 13:11

Views: 643, Replies: 1
Problem with Boost Converter(LM5158 Q1)

Started by mechorican on 30 Oct, 2024 21:37
Last post by tooki on 31 Oct, 2024 10:46

Views: 1803, Replies: 8
Turning these video signals into VGA

Started by MattHollands on 26 Jan, 2016 03:07
Last post by squadchannel on 31 Oct, 2024 09:57

Views: 36989, Replies: 62
In Car TV (CRT, yes CRT) Help.

Started by derekjay on 14 Jul, 2014 00:50
Last post by Tantratron on 31 Oct, 2024 04:53

Views: 5824, Replies: 6
Need 25mA switching converters for power rails but get 3A rated beasts.

Started by Houseman on 24 Oct, 2024 08:26
Last post by Houseman on 30 Oct, 2024 21:38

Views: 3612, Replies: 20
Requesting Feedback on PCB Design for ESP32-C3, Sensors, and SIM808 Module

Started by achraffff on 25 Oct, 2024 21:42
Last post by Simon on 30 Oct, 2024 21:09

Views: 3690, Replies: 14
How to reduce speed of air conditioner AC fan motor?

Started by brunoaduarte on 29 Oct, 2024 15:22
Last post by Randy222 on 30 Oct, 2024 18:57

Views: 1961, Replies: 8
AC97 vs HD-audio computer case frontpanel audio: I feel clueless

Started by Whales on 30 Nov, 2023 04:48
Last post by wraper on 30 Oct, 2024 13:27

Views: 13788, Replies: 16
Smallest rechargeable battery >= 10 mAh

Started by SiliconWizard on 16 Oct, 2024 11:42
Last post by YTusername on 30 Oct, 2024 10:16

Views: 7814, Replies: 18
High current 5 volt filtered DC for powering multiple cameras

Started by SWBCA on 28 Oct, 2024 12:43
Last post by Someone on 30 Oct, 2024 06:24

Views: 1977, Replies: 11
Recommendations for LCD Prototyping (on the relatively cheap)

Started by kevyk on 30 Oct, 2024 01:31
Last post by kevyk on 30 Oct, 2024 02:54

Views: 833, Replies: 2
ultra potentiometer

Started by coppercone2 on 27 Oct, 2024 11:32
Last post by TimFox on 30 Oct, 2024 02:08

Views: 1934, Replies: 11
methods reducing |VGS| of a mosfet question

Started by john23 on 29 Oct, 2024 20:50
Last post by Salitronic on 30 Oct, 2024 00:49

Views: 738, Replies: 1
Linear scale resolution increase

Started by geshka on 29 Oct, 2024 20:00
Last post by mzzj on 29 Oct, 2024 22:38

Views: 1379, Replies: 6
How to find maximum DC voltage allowable on a Schneider ic60n circuit braker

Started by drakejest on 29 Oct, 2024 17:25
Last post by TimFox on 29 Oct, 2024 18:19

Views: 770, Replies: 1
How to control AC fan speed?

Started by eev_fan on 12 Jun, 2023 21:45
Last post by BILLPOD on 29 Oct, 2024 18:10

Views: 19321, Replies: 29
STM32 to control 4-lanes DSI display?

Started by ricko_uk on 27 Oct, 2024 02:23
Last post by ricko_uk on 29 Oct, 2024 17:18

Views: 3247, Replies: 2
[SOLVED] Schematic symbol not generating and PDF pin names not copyable

Started by ricko_uk on 28 Oct, 2024 22:54
Last post by ricko_uk on 29 Oct, 2024 17:14

Views: 927, Replies: 3
Help needed with multiple DC DC converters and noise spikes.

Started by homeward on 27 Oct, 2024 16:53
Last post by homeward on 29 Oct, 2024 16:44

Views: 1299, Replies: 7
suggest boost converter circuit

Started by kimera on 27 Oct, 2024 09:30
Last post by youngda9 on 29 Oct, 2024 14:42

Views: 1778, Replies: 9
Thermal camera on Labview

Started by DanielPulg on 29 Oct, 2024 08:18

Views: 594, Replies: 0
to-39 heat sink thermal resistance

Started by coppercone2 on 28 Oct, 2024 21:42
Last post by coppercone2 on 29 Oct, 2024 05:06

Views: 1225, Replies: 3
Record Speaker Line Out on a PC/Laptop/RaspberryPi or ESP32

Started by circuitdoctor on 28 Oct, 2024 20:04
Last post by Sacodepatatas on 29 Oct, 2024 03:39

Views: 4170, Replies: 20
AL5817, analog dimming

Started by Noir_47 on 28 Oct, 2024 11:26
Last post by Noir_47 on 29 Oct, 2024 02:46

Views: 1088, Replies: 4
help IDing chip - collmer RDF005 or 2SF005 - as pictured

Started by ev1 on 28 Oct, 2024 00:11
Last post by ev1 on 29 Oct, 2024 00:25

Views: 1061, Replies: 5
4 Layer High Voltage Layout Review KiCAD

Started by Arsh ahmad on 28 Oct, 2024 19:44

Views: 524, Replies: 0
Idea For Laser Soldering

Started by Randy222 on 30 Sep, 2024 18:06
Last post by vivi-d on 28 Oct, 2024 17:21

Views: 21527, Replies: 116
74HC589 (parallel in, serial out) shift register - Latch Clock & Shift/Load

Started by wb0gaz on 19 Dec, 2021 16:43
Last post by devinw on 28 Oct, 2024 16:58

Views: 5230, Replies: 14
Is it possible to connect 6 two-wire RTDs to ADS124S08 Analog to Digital Convert

Started by ashmit_jaiswal on 25 Oct, 2024 03:32
Last post by Kleinstein on 28 Oct, 2024 14:57

Views: 1671, Replies: 6
Boundary scan using FT2232HL

Started by abelynux on 24 Oct, 2024 04:31
Last post by Postal2 on 28 Oct, 2024 09:01

Views: 3755, Replies: 17
T/R switch for ultrasound application

Started by Paptrack on 25 Oct, 2024 08:26
Last post by Paptrack on 28 Oct, 2024 08:39

Views: 2080, Replies: 9
Van battery box build

Started by phaseform on 24 Oct, 2024 22:01
Last post by phaseform on 28 Oct, 2024 08:37

Views: 1086, Replies: 4
JTAG/SWD level shifting

Started by ctrlaltmilk on 28 Oct, 2024 04:24
Last post by Postal2 on 28 Oct, 2024 08:31

Views: 3100, Replies: 9
RCA noise

Started by pree on 21 Oct, 2024 12:37
Last post by pree on 28 Oct, 2024 07:53

Views: 3682, Replies: 20
Discrete active cell balancing circuit.

Started by Refrigerator on 01 Jan, 2022 22:21
Last post by KerimF on 28 Oct, 2024 06:13

Views: 7874, Replies: 24

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Projects, Designs, and Technical Stuff

Projects, Designs, and Technical Stuff

banana jacks with missing contacts?

Odd results using DE-5000(LCR) to measure characteristic impedance of coax

NiMh battery charging IEC 61010 safety considerations

Looking to convert a RS Robie Sr

JLCPCB impedance calculator - wildly wrong?

OIP3 from IIP3 of ZFL750 question

Problem with Boost Converter(LM5158 Q1)

Turning these video signals into VGA

In Car TV (CRT, yes CRT) Help.

Need 25mA switching converters for power rails but get 3A rated beasts.

Requesting Feedback on PCB Design for ESP32-C3, Sensors, and SIM808 Module

How to reduce speed of air conditioner AC fan motor?

AC97 vs HD-audio computer case frontpanel audio: I feel clueless

Smallest rechargeable battery >= 10 mAh

High current 5 volt filtered DC for powering multiple cameras

Recommendations for LCD Prototyping (on the relatively cheap)

ultra potentiometer

methods reducing |VGS| of a mosfet question

Linear scale resolution increase

How to find maximum DC voltage allowable on a Schneider ic60n circuit braker

How to control AC fan speed?

STM32 to control 4-lanes DSI display?

[SOLVED] Schematic symbol not generating and PDF pin names not copyable

Help needed with multiple DC DC converters and noise spikes.

suggest boost converter circuit

Thermal camera on Labview

to-39 heat sink thermal resistance

Record Speaker Line Out on a PC/Laptop/RaspberryPi or ESP32

AL5817, analog dimming

help IDing chip - collmer RDF005 or 2SF005 - as pictured

4 Layer High Voltage Layout Review KiCAD

Idea For Laser Soldering

74HC589 (parallel in, serial out) shift register - Latch Clock & Shift/Load

Is it possible to connect 6 two-wire RTDs to ADS124S08 Analog to Digital Convert

Boundary scan using FT2232HL

T/R switch for ultrasound application

Van battery box build

JTAG/SWD level shifting

RCA noise

Discrete active cell balancing circuit.

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