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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Can anyone tell me the capacitor values of C1 and C2?

Started by Alexandros81 on 05 Feb, 2018 12:01
Last post by Audioguru on 05 Feb, 2018 22:17

Views: 2145, Replies: 4
Non-contact real-time heart rate monitoring system using Raspberry Pi 3 Model B

Started by salvazero on 03 Feb, 2018 20:27
Last post by cdev on 05 Feb, 2018 18:48

Views: 2084, Replies: 1
Smart Switch ESP8266

Started by pknoe3lh on 05 Feb, 2018 17:03

Views: 896, Replies: 0
RSD Academy - Using an Oscilloscope

Started by rsduhamel on 05 Feb, 2018 16:20
Last post by Cliff Matthews on 05 Feb, 2018 16:47

Views: 1154, Replies: 1
KrystaLED (First PCB Project Help,Comments,Suggestions please) ATTiny&WS2812b

Started by calli on 07 Dec, 2017 10:22
Last post by phil from seattle on 05 Feb, 2018 15:45

Views: 3596, Replies: 16
74/54 series test device using Arduino

Started by cowasaki on 29 Jan, 2018 11:28
Last post by matseng on 05 Feb, 2018 14:42

Views: 8643, Replies: 25
A measurement of 10 MHz down to 10 uHz

Started by John Heath on 08 Feb, 2016 05:50
Last post by John Heath on 05 Feb, 2018 13:52

Views: 43137, Replies: 107
Help Needed: Burroughs BIP-8806-2 BCD Nixie Tube Decoder/Driver

Started by ruumoo on 15 Jan, 2018 01:24
Last post by ruumoo on 05 Feb, 2018 11:20

Views: 4186, Replies: 10
MOSFET ferrite bead placement

Started by theleakydiode on 04 Feb, 2018 15:29
Last post by fourtytwo42 on 05 Feb, 2018 09:05

Views: 8996, Replies: 9
Know of any op amps with low input **capacitance**???

Started by IDEngineer on 02 Feb, 2018 19:18
Last post by Henrik_V on 05 Feb, 2018 08:30

Views: 15684, Replies: 33
Variable Voltage Wireless Module

Started by jasons520 on 05 Feb, 2018 04:38

Views: 1034, Replies: 0
Li-ion battery charger with low status battery LED indicator

Started by tapasxplore on 02 Feb, 2018 18:39
Last post by Peabody on 04 Feb, 2018 23:44

Views: 3512, Replies: 3
High Voltage sampling with MUC

Started by anishkgt on 04 Feb, 2018 20:34

Views: 1327, Replies: 0
Modifying old laptop charger for ham radio use

Started by oldmannewstuff on 26 Jan, 2018 14:27
Last post by oldmannewstuff on 04 Feb, 2018 14:03

Views: 6976, Replies: 9
AGFA PCR II design reuse question

Started by Cicada on 23 Jul, 2016 11:19
Last post by [email protected] on 04 Feb, 2018 13:23

Views: 2515, Replies: 4
NiMH battery charger

Started by quim on 04 Feb, 2018 10:00
Last post by quim on 04 Feb, 2018 12:50

Views: 2075, Replies: 5
Rotary encoder for small robot arm servo

Started by anvoice on 04 Feb, 2018 07:03
Last post by anvoice on 04 Feb, 2018 10:48

Views: 2827, Replies: 2
IRF7319 dual Mosfet Latching switch

Started by dumpystig on 13 Nov, 2013 09:36
Last post by kondzio on 04 Feb, 2018 09:12

Views: 15012, Replies: 8
Simple? Power supply design question

Started by cowasaki on 17 Jan, 2018 20:40
Last post by ocset on 03 Feb, 2018 22:30

Views: 4245, Replies: 13
Part identification help: LGVN 517C opamp

Started by Pack34 on 02 Feb, 2018 21:47
Last post by exmadscientist on 03 Feb, 2018 22:15

Views: 1261, Replies: 1
Looking for a decent, cheap, multiple low noise, low power opamp

Started by bd139 on 01 Feb, 2018 16:17
Last post by bd139 on 03 Feb, 2018 19:09

Views: 11126, Replies: 24
Hex inverter equivalent not inverter

Started by JanJansen on 30 Jan, 2018 17:42
Last post by xygor on 03 Feb, 2018 18:44

Views: 5244, Replies: 15
Adjustable Linear power supply with split rails and/or 0-50V ideas ?

Started by lordvader88 on 01 Feb, 2018 22:48
Last post by David Hess on 03 Feb, 2018 16:40

Views: 2691, Replies: 5
Problem with debugging

Started by amirkargar110 on 03 Feb, 2018 16:01

Views: 757, Replies: 0
A new wrinkle in ion sources?

Started by ikrase on 03 Feb, 2018 05:59
Last post by John Heath on 03 Feb, 2018 15:40

Views: 1154, Replies: 1
Variable AC load for testing purposes

Started by drummerdimitri on 31 Jan, 2018 06:47
Last post by ocset on 03 Feb, 2018 10:08

Views: 9422, Replies: 13
Audio Transformer Primary Wire Gauge Design Reference?

Started by bklein on 02 Feb, 2018 18:56
Last post by Richard Crowley on 03 Feb, 2018 05:57

Views: 2746, Replies: 6
Switching Small Transformer with a Triac

Started by Cyberdragon on 02 Feb, 2018 00:53
Last post by Cyberdragon on 03 Feb, 2018 03:41

Views: 1654, Replies: 3
Analog Delay Line

Started by bopstar on 29 Jan, 2018 04:23
Last post by montemcguire on 03 Feb, 2018 03:26

Views: 22207, Replies: 75
Pericom clock buffer -- power consumption

Started by blueskull on 02 Feb, 2018 17:06
Last post by amyk on 03 Feb, 2018 02:31

Views: 1405, Replies: 1
need capacity sensor which can detect volume after power reboot

Started by ivi_yak on 02 Feb, 2018 23:52
Last post by amspire on 03 Feb, 2018 00:35

Views: 1200, Replies: 2
Wireless charger for laptop?

Started by sticky on 01 Feb, 2018 20:18
Last post by stj on 02 Feb, 2018 23:33

Views: 1847, Replies: 4
GPS Module for Altitude Measurement of Rocket Recovery System

Started by eerocketman on 19 Jan, 2018 20:34
Last post by LaserSteve on 02 Feb, 2018 19:18

Views: 4833, Replies: 12
Silver plating windings on inductors?

Started by CopperCone on 02 Feb, 2018 17:40

Views: 1114, Replies: 0
servo motor control problem

Started by amangg on 01 Feb, 2018 09:56
Last post by hussamaldean on 02 Feb, 2018 06:13

Views: 1547, Replies: 3
Switch between Vrefs for DAC

Started by Penguin36 on 30 Jan, 2018 14:01
Last post by Penguin36 on 02 Feb, 2018 06:04

Views: 2460, Replies: 8
False trigger of Water Level Controller with LM324 from talkingelectronics.com

Started by bigslo on 01 Feb, 2018 18:36
Last post by bigslo on 02 Feb, 2018 04:23

Views: 2828, Replies: 4
How multiple users can edit single layout file simultaneously ?

Started by Sai teja on 01 Feb, 2018 16:32
Last post by AndyC_772 on 01 Feb, 2018 20:15

Views: 1551, Replies: 2
2 DC power supplies in parallel/series operation

Started by drummerdimitri on 30 Jan, 2018 09:44
Last post by Cliff Matthews on 01 Feb, 2018 16:05

Views: 9913, Replies: 15
Bizarre Li-ion cell voltages

Started by splin on 31 Jan, 2018 01:08
Last post by amyk on 01 Feb, 2018 12:03

Views: 5881, Replies: 19

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Projects, Designs, and Technical Stuff

Projects, Designs, and Technical Stuff

Can anyone tell me the capacitor values of C1 and C2?

Non-contact real-time heart rate monitoring system using Raspberry Pi 3 Model B

Smart Switch ESP8266

RSD Academy - Using an Oscilloscope

KrystaLED (First PCB Project Help,Comments,Suggestions please) ATTiny&WS2812b

74/54 series test device using Arduino

A measurement of 10 MHz down to 10 uHz

Help Needed: Burroughs BIP-8806-2 BCD Nixie Tube Decoder/Driver

MOSFET ferrite bead placement

Know of any op amps with low input **capacitance**???

Variable Voltage Wireless Module

Li-ion battery charger with low status battery LED indicator

High Voltage sampling with MUC

Modifying old laptop charger for ham radio use

AGFA PCR II design reuse question

NiMH battery charger

Rotary encoder for small robot arm servo

IRF7319 dual Mosfet Latching switch

Simple? Power supply design question

Part identification help: LGVN 517C opamp

Looking for a decent, cheap, multiple low noise, low power opamp

Hex inverter equivalent not inverter

Adjustable Linear power supply with split rails and/or 0-50V ideas ?

Problem with debugging

A new wrinkle in ion sources?

Variable AC load for testing purposes

Audio Transformer Primary Wire Gauge Design Reference?

Switching Small Transformer with a Triac

Analog Delay Line

Pericom clock buffer -- power consumption

need capacity sensor which can detect volume after power reboot

Wireless charger for laptop?

GPS Module for Altitude Measurement of Rocket Recovery System

Silver plating windings on inductors?

servo motor control problem

Switch between Vrefs for DAC

False trigger of Water Level Controller with LM324 from talkingelectronics.com

How multiple users can edit single layout file simultaneously ?

2 DC power supplies in parallel/series operation

Bizarre Li-ion cell voltages

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Know of any op amps with low input capacitance???