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82 projects
1.8k
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

1.4k
9
9
A ham radio antenna rotor controller using a Raspberry Pi and a touchscreen!
Project Owner Contributor

rotor

wryan67wryan67

3k
1.3k
15
Op amp circuit for generating Spirograph like curves
Project Owner Contributor

Op Art

craig-dCraig D

2.6k
9
5
RaspberryPi to measure and study EEG, ECG, EMG, EOG with PiEEG (sleep, stress control, robot control) not funded, https://pieeg.com/
Project Owner Contributor

Easy way to neuroscience with PiEEG for everyone

ildar-rakhmatulinIldar Rakhmatulin

840
6
8
Voltage is set with three BCD switches with a step of 10mV
Project Owner Contributor

Fully analog digitally controlled voltage source

klimaKlima

2.4k
9
17
Turning the classic analog physics simulation into an interactive experience with an accelerometer and a handheld CRT display
Project Owner Contributor

Ball-in-box simulator with REAL gravity

wlf647wlf647

1.3k
4
8
Precision peak detector using op amps to manage input impedance, peak stability and output drive.
Project Owner Contributor

Precision peak detector using Op Amps

joseph-thomasJoseph Thomas

1.8k
9
16
Imagining a pen-clicker, had to test my analogish-skills...
Project Owner Contributor

Single Comparator/Op-Amp[?] Toggle-Flip-Flop

eric-hertzEric Hertz

7.6k
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

1
0
Connect phantom-power mics with balanced XLRs to a simple stereo recorder with fixed mixer settings for 3 or 5 channel Decca Tree recording
Project Owner Contributor

DeccaTree stereo downmixer

techcolabcojeTechColab.co.je

7.3k
36
42
An open-source Analog Lock-In Amplifier LOCKDOWN: LOCK-In Device for Observing Weak and Noisy signals
Project Owner Contributor

LOCKDOWN: An open-source Analog Lock-In Amplifier

mark-omoMark Omo

5.6k
47
68
An analog computer for solving sets of Lorenz attractor differential equations
Project Owner Contributor

Analog Lorenz Attractor Computer

cheeennppCheeenNPP

1.5k
1
2
BioPotential amplification on your finger tip!
Project Owner Contributor

BioAmp EXG Pill v1.0

deepak-khatriDeepak Khatri

898
4
6
Precision op amps and analog best digital in speed, noise, simplicity, and ease of implementation.
Project Owner Contributor

Precision Op Amps and Analog best Digital

paulpaul

299
1
1
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.

2.2k
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

1.1k
4
5
A cute little DIY ElectroMyography (EMG) sensor!
Project Owner Contributor

Muscle BioAmp BisCute

deepak-khatriDeepak Khatri

150
1
2
A simple signal generator and processor for synthesizing waveforms within the audio frequency range.
Project Owner Contributor

Synthesizer Opamp Galore

nblanchard7134Nblanchard7134

605
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

1k
13
12
Another Operational Transconductance Amplifier - a humble attempt to provide a tolerant discrete design for a vital opamp type
Project Owner Contributor

AORTA

helgehelge

409
2
3
Combining basic opamp circuits for oscillators, comparators, inverting amplifiers with diode logic to create interesting RGB LED effects
Project Owner Contributor

Rainbow LED Effects using PWM Generated by OpAmps

bornachbornach

12.7k
51
48
Making the most of non-ideal components in a non-ideal world.
Project Owner Contributor

Multislope ADC

nnniNNNI

225
4
3
Balanced Ternary Analog-to-Digital Converter (ADC)
Project Owner Contributor

Ternary ADC

shaosSHAOS

1k
5
3
DIY customizable 0.96'' display voltmeter, ammeter combo
Project Owner Contributor

Small OLED panel meter

marius-taciucMarius Taciuc

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