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83 projects
271
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Video game logic made from analog circuit. Activate power at the right time in to hit your opponent and win.
Project Owner Contributor

Analog Circuit Game - Switched Tag

pablo-antonio-camacho-jrPablo Antonio Camacho Jr.

4.9k
21
32
CMOS Homemade Operational Amplifier module and a photo detector using it.
Project Owner Contributor

CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

648
14
13
Configurable gain and bandwidth current sense amplifier. DC to 1MHz/100kHz bandwidth, at 25x/50x gain.
Project Owner Contributor

"High" Bandwidth - Current Sense Amplifier

jesse-farrellJesse Farrell

11.2k
47
42
Making the most of non-ideal components in a non-ideal world.
Project Owner Contributor

Multislope ADC

nnniNNNI

3.6k
11
14
Rogowski coil current sensor using cheap shunt regulators as opamps.
Project Owner Contributor

TL431 rogowski coil current sensor

stephenStephen

1.3k
13
15
Can you hear the difference between Op Amp´s? Yes! With this headphone amplifier.
Project Owner Contributor

Listen to the Op Amp´s

stephan-martinStephan Martin

177
0
0
View your mountain bike ride's GPX elevation profile on a PC then play it back on a vintage aircraft altitude indicator!
Project Owner Contributor

Relive Your MTB Descents on an Aircraft Altimeter

glen-akinsGlen Akins

1.2k
5
10
An FPGA-based video input delay meter using a DVI output chip and an amplified photodiode light sensor
Project Owner Contributor

Video Input Delay Meter

mike-kibbelMike Kibbel

1.7k
9
11
Last year, I found a 5FP7 CRT on ebay for $45. My first thought was "Wouldn't it be cool to build a RADAR scope?"
Project Owner Contributor

ADS-B on a real RADAR CRT

j-cJ C

1.3k
9
9
A ham radio antenna rotor controller using a Raspberry Pi and a touchscreen!
Project Owner Contributor

rotor

wryan67wryan67

570
4
7
Active power load for testing of DC power supplies, constant current and constant power modes.
Project Owner Contributor

DC active power load

ms-bossMS-BOSS

1.9k
9
15
Each line of the breadboard has an LED that glows based on the voltage on that line
Project Owner Contributor

Lightup breadboard

rasmusviil0rasmusviil0

534
5
3
Long range infrared Beam Interruption Detector(BID) using infrared pre-amplifier OP AMP and using single IR transmitter and receiver diode.
Project Owner Contributor

Infrared Pre-Amplifier

mit41301mit41301

858
5
3
Module based on the LTC2640 DAC from Linear Technologies
Project Owner Contributor

SPI controlled voltage regulator module

samuelfmlourencosamuel.fmlourenco

2k
13
19
This simple circuit with an Op Amp LM358 produces a characteristic sound triggered by a flash of light, a touch or an electromagnetic pulse.
Project Owner Contributor

Triggered Sound Generator

burkhard-kainkaBurkhard Kainka

5.3k
46
65
An analog computer for solving sets of Lorenz attractor differential equations
Project Owner Contributor

Analog Lorenz Attractor Computer

cheeennppCheeenNPP

1.4k
8
9
A minimal 4-wire milliohm meter with 4.5 digit display
Project Owner Contributor

SDO Milliohm Meter v1

kuba-sunderland-oberKuba Sunderland-Ober

7.2k
70
60
Holo is a small ornament that achieves a naked-eye 3D holographic effect through the reflection of a beam-splitting prism. We developed a lo
Project Owner Contributor

Holographic Wifi clock based on ESP32

fiberpunkFiberpunk

102
0
0
In this tutorial, I am going to show you guys how to design this "Transformers PCB Badge" and how to solder the components to it.
Project Owner Contributor

Transformers PCB BADGE

hulkHulk

137
1
2
A simple signal generator and processor for synthesizing waveforms within the audio frequency range.
Project Owner Contributor

Synthesizer Opamp Galore

nblanchard7134Nblanchard7134

296
2
2
Portable device to measure low resistance (<1Ohm)
Project Owner Contributor

MicroOhmMeter

piotrPiotr

219
0
0
Akhiyon se jump maare! dino kamaal re ;)
Project Owner Contributor

EOG dino game controller

deepak-khatriDeepak Khatri

561
0
2
Muscle (EMG) based game controller!
Project Owner Contributor

EMG dino game controller

deepak-khatriDeepak Khatri

304
1
1
Ski Lift Status Map with LED Indication for Current Lift Operational Status White or Black PCB + Wood, Wifi connected & OTA Updates
Project Owner Contributor

Trail Map Live Lift Status Ski Map - Mammoth CA

kevin-briceKevin Brice

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