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.

• Sticky Topics

• Analog Filters: a Compilation of Standard Transfer Functions (UPDATED 2)

  Started by Benta on 22 Jan, 2021 20:15
  Last post by EE_Audio on 02 Aug, 2026 17:35

  Views: 148638, Replies: 34

• Topics

• Smart power input OR switching and PWM rejection

  Started by Psi on 19 Oct, 2026 03:07
  Last post by ArdWar on 19 Oct, 2026 13:03

  Views: 202, Replies: 6

• Built an FPGA-based all-in-one bench instrument (scope, AWG, logic analyzer, PSU

  Started by Agniyuthpc on 18 Oct, 2026 16:33
  Last post by ArdWar on 19 Oct, 2026 11:31

  Views: 925, Replies: 16

• Driving diodes(led) with higher than rated current, is it all about thermals?

  Started by nope on 19 Oct, 2026 07:04
  Last post by nope on 19 Oct, 2026 11:08

  Views: 187, Replies: 2

• Finding automotive connector

  Started by endlessmind on 14 May, 2019 07:03
  Last post by MD93 on 19 Oct, 2026 10:35

  Views: 2853, Replies: 10

• Inductor DC Bias: Why Does Inductance Drop Under Load?

  Started by YUTE_Magnetic on 19 Oct, 2026 08:58

  Views: 116, Replies: 0

• Semi automatic DC-AC power source

  Started by anso-engineer on 13 Oct, 2026 15:18
  Last post by anso-engineer on 19 Oct, 2026 08:50

  Views: 334, Replies: 1

• EEZ Bench Box 3 (BB3) and beyond...

  Started by prasimix on 21 Jun, 2018 15:27
  Last post by prasimix on 19 Oct, 2026 08:13

  Views: 338132, Replies: 782

• VIPER488 Symbiotic VISA

  Started by gamalot on 11 Oct, 2026 11:19
  Last post by gamalot on 19 Oct, 2026 07:21

  Views: 1314, Replies: 9

• Built a free BOM price/stock checker across Farnell, Mouser & DigiKey with order

  Started by mihaalex91 on 11 Oct, 2026 12:35
  Last post by mihaalex91 on 19 Oct, 2026 06:02

  Views: 1490, Replies: 12

• CRT pentode video amp

  Started by jmigal on 13 Oct, 2026 19:09
  Last post by jmigal on 19 Oct, 2026 05:09

  Views: 1756, Replies: 18

• Estimating Boost Pressure from MAF and RPM

  Started by KarakuriLab on 18 Oct, 2026 09:27
  Last post by KarakuriLab on 19 Oct, 2026 01:59

  Views: 540, Replies: 7

• Building a PSU - Stuck with Compensator Values

  Started by psydaddy on 23 Aug, 2026 18:55
  Last post by psydaddy on 19 Oct, 2026 00:21

  Views: 5161, Replies: 42

• AI-designed 4-channel isolated PT100 front end (ADS124S08), unbuilt, posted for critique

  Started by partsplanai on 15 Oct, 2026 03:47
  Last post by bson on 18 Oct, 2026 23:19

  Views: 1672, Replies: 14

• Free tool for checking tones in CSV recordings. Looking for feedback.

  Started by signal foundry_1979 on 18 Oct, 2026 22:49

  Views: 167, Replies: 0

• I built a keyboard for typing math… but did I make the wrong hardware decision?

  Started by Math Keyboard on 16 Oct, 2026 06:24
  Last post by Math Keyboard on 18 Oct, 2026 18:41

  Views: 1172, Replies: 19

• Is device-side security telemetry from low-cost embedded devices actually useful

  Started by melon_ber on 18 Oct, 2026 16:47

  Views: 238, Replies: 0

• Ultra-low-power 12 V isolated DC/DC for near-zero load

  Started by Ntrip on 14 Oct, 2026 09:32
  Last post by peter-h on 18 Oct, 2026 16:32

  Views: 1597, Replies: 23

• New PCB design tool project

  Started by JamesDean on 21 Jul, 2026 11:14
  Last post by jpyeron on 18 Oct, 2026 15:32

  Views: 3053, Replies: 7

• I am working on idea to use AI to reduce scope face image file size.....

  Started by Konkedout on 05 Sep, 2026 02:55
  Last post by Konkedout on 18 Oct, 2026 14:40

  Views: 5861, Replies: 75

• DESIGN REVIEW REQUEST - Basic Power Filtering Circuit

  Started by WaveformWonder on 17 Oct, 2026 00:11
  Last post by Ian.M on 18 Oct, 2026 13:04

  Views: 726, Replies: 3

• Need help making sense of FDA operating parameters

  Started by HDEmerald on 13 Oct, 2026 01:17
  Last post by mtwieg on 18 Oct, 2026 12:52

  Views: 741, Replies: 3

• Looking for an EPROM Emulator for 27000 EPROMs?

  Started by TERRA Operative on 16 Oct, 2026 15:51
  Last post by TERRA Operative on 18 Oct, 2026 10:49

  Views: 1068, Replies: 11

• i2c controlled current limited boost switching regulator

  Started by dosensuppe on 01 Jun, 2026 06:06
  Last post by dosensuppe on 18 Oct, 2026 08:31

  Views: 2328, Replies: 13

• Cool tutorial: Converting an APC UPS into a powerful sinewave inverter

  Started by cte7ds on 23 Nov, 2012 18:57
  Last post by BradC on 18 Oct, 2026 01:28

  Views: 152582, Replies: 61

• Autogenic active load limbo: how low can you go??

  Started by zike on 06 Oct, 2026 19:17
  Last post by zike on 18 Oct, 2026 00:58

  Views: 1843, Replies: 9

• De-capping & circuit analysis of hybrid modules

  Started by D Straney on 06 Dec, 2024 16:58
  Last post by D Straney on 18 Oct, 2026 00:39

  Views: 28164, Replies: 82

• MyElecParts - Electronic component search and inventory

  Started by majki on 07 Dec, 2024 18:09
  Last post by xvr on 17 Oct, 2026 19:59

  Views: 20363, Replies: 93

• Line drivers

  Started by keithjeff on 13 Oct, 2026 07:40
  Last post by David Hess on 17 Oct, 2026 19:49

  Views: 1469, Replies: 11

• help with opa1656 unity gain inverting amplifier

  Started by Audiofanman on 08 Oct, 2026 22:11
  Last post by ledtester on 17 Oct, 2026 19:40

  Views: 1957, Replies: 11

• 68010 custom computer build

  Started by paulca on 08 Jul, 2026 09:16
  Last post by paulca on 17 Oct, 2026 16:57

  Views: 10824, Replies: 54

• Request for 5W transistor controlled LED flash light controller circuit review

  Started by Md Mubdiul Hasan on 08 Oct, 2026 16:26
  Last post by Md Mubdiul Hasan on 17 Oct, 2026 10:29

  Views: 2010, Replies: 11

• Sylvano ZeroSmogISH fume extractor - how to measure rosin fumes level?

  Started by sylvanoMTL on 22 Jul, 2024 17:09
  Last post by sylvanoMTL on 17 Oct, 2026 09:38

  Views: 2344, Replies: 8

• Simple Probe Trick

  Started by moffy on 17 Oct, 2026 04:04
  Last post by moffy on 17 Oct, 2026 08:55

  Views: 854, Replies: 4

• High voltage trigger for piezo probe.

  Started by k.neo on 17 Oct, 2026 02:10
  Last post by Renate on 17 Oct, 2026 04:59

  Views: 618, Replies: 1

• Different die pictures

  Started by Noopy on 01 Jul, 2020 21:46
  Last post by Noopy on 17 Oct, 2026 03:08

  Views: 217324, Replies: 544

• Adventures in electronics: 120 V. inverter design/60 Hz generation

  Started by Analog Kid on 12 Sep, 2026 21:23
  Last post by Analog Kid on 16 Oct, 2026 23:40

  Views: 6342, Replies: 46

• whats your most hated component

  Started by Terry Bites on 15 Oct, 2026 16:50
  Last post by hans on 16 Oct, 2026 18:53

  Views: 2050, Replies: 18

• NRF24L01+ Fails after a few seconds

  Started by Alex_Baker on 13 Oct, 2026 00:48
  Last post by Alex_Baker on 16 Oct, 2026 16:57

  Views: 1380, Replies: 13

• A bench challenge: 1000 digits of √2 from a three-digit analog circuit

  Started by tonyfer on 15 Oct, 2026 01:32
  Last post by Andree Henkel on 16 Oct, 2026 12:16

  Views: 919, Replies: 2