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
LC discharge network question for Oriel flash lamp

Started by pottyprofessor on 15 Apr, 2026 19:28
Last post by pottyprofessor on 22 Apr, 2026 03:56

Views: 445, Replies: 4
Slow Fourier Transform

Started by azeeman on 19 Apr, 2026 19:02
Last post by radiolistener on 22 Apr, 2026 00:33

Views: 2628, Replies: 26
Architecture Review: Portable Electrochemical Gold Karat Sorter (High-Z, Microvo

Started by Bessous Fethi on 15 Apr, 2026 22:14
Last post by Bessous Fethi on 21 Apr, 2026 22:35

Views: 1514, Replies: 17
First circuit and PCB

Started by gcain on 19 Apr, 2026 21:52
Last post by negativ3 on 21 Apr, 2026 14:45

Views: 1158, Replies: 17
Designing LiFePo4 based charging circuit

Started by anso-engineer on 06 Apr, 2026 05:15
Last post by anso-engineer on 21 Apr, 2026 07:00

Views: 743, Replies: 7
fast, rust-based parser for rigol and tektronix .wfm files (with python bindings

Started by Galoo on 21 Apr, 2026 06:37

Views: 438, Replies: 0
Is it possible to test BGA chips (FPGAs) without having to solder them to a PCB?

Started by GAMMA on 09 Apr, 2026 10:15
Last post by amyk on 21 Apr, 2026 05:16

Views: 2020, Replies: 14
"MLCCs ... do not require any voltage derating"

Started by 741 on 15 May, 2020 11:22
Last post by Zipdox on 20 Apr, 2026 21:08

Views: 13680, Replies: 21
M12 panel connectors with O rings

Started by Simon on 20 Apr, 2026 13:21
Last post by tooki on 20 Apr, 2026 20:58

Views: 1152, Replies: 13
Integrating KiCad, Ngspice and Python

Started by azeeman on 18 Apr, 2026 19:44
Last post by bson on 20 Apr, 2026 20:38

Views: 965, Replies: 4
Simulating a massive 3.3V to 5.5V reflection overshoot (Classic SI mismatch)

Started by maheshmpnair on 20 Apr, 2026 04:50
Last post by Andreas on 20 Apr, 2026 05:14

Views: 366, Replies: 2
Anyone have trick for dev work with USB UART without having to keep reconnecting

Started by Psi on 16 Apr, 2026 02:38
Last post by zapta on 19 Apr, 2026 17:16

Views: 1000, Replies: 8
/dev/null

Started by sphinx on 14 Apr, 2026 00:02
Last post by Renate on 19 Apr, 2026 07:31

Views: 1687, Replies: 4
How much improvement can I expect from a different LED Driver with less RdsOn?

Started by AmeliaBuns on 19 Apr, 2026 03:03
Last post by AmeliaBuns on 19 Apr, 2026 04:19

Views: 551, Replies: 5
PWM IC single ended to push-pull conversion?

Started by ifonlyeverything on 18 Apr, 2026 23:30
Last post by ifonlyeverything on 19 Apr, 2026 01:14

Views: 391, Replies: 2
Different styles of USB Type-C connectors - why?

Started by HwAoRrDk on 18 Apr, 2026 03:06
Last post by HwAoRrDk on 18 Apr, 2026 20:17

Views: 1178, Replies: 2
Trace Width Question

Started by bostonman on 14 Apr, 2026 01:47
Last post by SiliconWizard on 18 Apr, 2026 16:46

Views: 1181, Replies: 9
SD Memory Card muxing chip requires layer switch?

Started by ejkreboot on 18 Apr, 2026 15:42

Views: 219, Replies: 0
High Power ESC Schematic

Started by ouew on 08 Apr, 2026 15:39
Last post by tooki on 18 Apr, 2026 15:10

Views: 2842, Replies: 13
UPS School Project

Started by Jesse Slotman on 12 Dec, 2025 16:04
Last post by Jesse Slotman on 18 Apr, 2026 13:48

Views: 1234, Replies: 8
Discovered a way to "erase" the crossover distortion in class B amps.

Started by Kokoriantz on 05 Oct, 2025 09:58
Last post by USDT on 18 Apr, 2026 09:18

Views: 7075, Replies: 41
Bypassing the error amplifier on UC3842/UC3843 (Unitrode DN-89)

Started by Whales on 01 Nov, 2025 02:33
Last post by max.wwwang on 18 Apr, 2026 04:43

Views: 4466, Replies: 16
Integer PLL multiplier square wave very slow speed/frequency Hz-kHz

Started by MKRD on 16 Apr, 2026 16:01
Last post by PCB.Wiz on 17 Apr, 2026 23:53

Views: 2101, Replies: 22
Aircraft neutral and grounding on 28V PSU output

Started by KlausKragelund on 14 Apr, 2026 14:31
Last post by MKRD on 17 Apr, 2026 21:11

Views: 917, Replies: 5
Built a tool that catches CE/FCC/ACMA compliance gaps before lab submission

Started by salvator on 17 Apr, 2026 13:42

Views: 272, Replies: 0
Could you please help me identify this ic? I think it’s a gate ttl or something.

Started by tedsorvino on 16 Apr, 2026 14:45
Last post by tedsorvino on 17 Apr, 2026 13:05

Views: 1077, Replies: 12
Super simple ESR meter with a resolution of 10 mOhms.

Started by iet on 12 May, 2025 16:47
Last post by iet on 16 Apr, 2026 22:35

Views: 22670, Replies: 94
low side current sense filtering, input RC vs active low pass

Started by jnk0le on 16 Apr, 2026 21:16

Views: 202, Replies: 0
What connector type is PXIe using?

Started by gamerpaddy on 13 Apr, 2026 02:52
Last post by coromonadalix on 16 Apr, 2026 16:22

Views: 1009, Replies: 5
Very low frequency (few KHz) PLL?

Started by saratoga on 09 Jan, 2023 20:35
Last post by MKRD on 16 Apr, 2026 16:03

Views: 6813, Replies: 20
ADS1115 front end differential circuit INA105

Started by Overspeed on 14 Apr, 2026 08:32
Last post by Overspeed on 16 Apr, 2026 09:54

Views: 838, Replies: 8
Vintage equipment - CRT retrofit with LCD - Bezel display protection

Started by Tantratron on 15 Apr, 2026 17:16
Last post by Nominal Animal on 16 Apr, 2026 00:37

Views: 456, Replies: 1
How to convert a HP HSTNS-PL18 psu to 13.8V ?

Started by jdev99 on 25 Oct, 2019 09:07
Last post by srbrocard84 on 15 Apr, 2026 21:45

Views: 44507, Replies: 26
Need Advice for EMG Sensor PCB inspired by Myoware

Started by Foot Fungus on 15 Apr, 2026 06:26
Last post by Manul on 15 Apr, 2026 19:31

Views: 433, Replies: 3
Two channel ucurrent powered by USB

Started by mh0520 on 13 Apr, 2026 21:48
Last post by mh0520 on 15 Apr, 2026 18:38

Views: 1443, Replies: 25
Camera module suppliers. HDMI, 1080p ?

Started by viper on 15 Apr, 2026 17:55

Views: 214, Replies: 0
Navigation FPGA

Started by Lazrdo on 15 Apr, 2026 14:28

Views: 277, Replies: 0
HF SDR Transmitter Front-End (~10W) – RF/Layout Review Before Fabrication

Started by nothrex on 13 Apr, 2026 21:11
Last post by ftg on 15 Apr, 2026 07:09

Views: 723, Replies: 7
Please Sanity Check - MCP23017, ULN2803, 5V Relays

Started by kolbep on 14 Apr, 2026 16:26
Last post by PCB.Wiz on 15 Apr, 2026 01:06

Views: 935, Replies: 11
Need help on switching battery to a charger using MOSFETs

Started by jb82 on 18 May, 2025 16:41
Last post by jb82 on 14 Apr, 2026 17:24

Views: 4865, Replies: 27

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Projects, Designs, and Technical Stuff

Projects, Designs, and Technical Stuff

LC discharge network question for Oriel flash lamp

Slow Fourier Transform

Architecture Review: Portable Electrochemical Gold Karat Sorter (High-Z, Microvo

First circuit and PCB

Designing LiFePo4 based charging circuit

fast, rust-based parser for rigol and tektronix .wfm files (with python bindings

Is it possible to test BGA chips (FPGAs) without having to solder them to a PCB?

"MLCCs ... do not require any voltage derating"

M12 panel connectors with O rings

Integrating KiCad, Ngspice and Python

Simulating a massive 3.3V to 5.5V reflection overshoot (Classic SI mismatch)

Anyone have trick for dev work with USB UART without having to keep reconnecting

/dev/null

How much improvement can I expect from a different LED Driver with less RdsOn?

PWM IC single ended to push-pull conversion?

Different styles of USB Type-C connectors - why?

Trace Width Question

SD Memory Card muxing chip requires layer switch?

High Power ESC Schematic

UPS School Project

Discovered a way to "erase" the crossover distortion in class B amps.

Bypassing the error amplifier on UC3842/UC3843 (Unitrode DN-89)

Integer PLL multiplier square wave very slow speed/frequency Hz-kHz

Aircraft neutral and grounding on 28V PSU output

Built a tool that catches CE/FCC/ACMA compliance gaps before lab submission

Could you please help me identify this ic? I think it’s a gate ttl or something.

Super simple ESR meter with a resolution of 10 mOhms.

low side current sense filtering, input RC vs active low pass

What connector type is PXIe using?

Very low frequency (few KHz) PLL?

ADS1115 front end differential circuit INA105

Vintage equipment - CRT retrofit with LCD - Bezel display protection

How to convert a HP HSTNS-PL18 psu to 13.8V ?

Need Advice for EMG Sensor PCB inspired by Myoware

Two channel ucurrent powered by USB

Camera module suppliers. HDMI, 1080p ?

Navigation FPGA

HF SDR Transmitter Front-End (~10W) – RF/Layout Review Before Fabrication

Please Sanity Check - MCP23017, ULN2803, 5V Relays

Need help on switching battery to a charger using MOSFETs

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