Close
83 projects
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

977
4
7
A proof of concept which demonstrates how analog op amps can perform digital logic functions.
Project Owner Contributor

OP-Amps Gone Digital - A BCD to 7 Seg Converter

gschmidt958gschmidt958

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

314
357
4
It simply converts sound into light.
Project Owner Contributor

Audio Visualiser

xtreme-techXtreme Tech

730
1
3
Use op amps to create digital logic gates and higher level logic functions.
Project Owner Contributor

Op Amp Logic

dduckertdduckert

184
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

569
7
8
An integrated healthcare and well-being system for Alzheimer's patients to live a better life
Project Owner Contributor

I'm Here (IH'23)

yassin-ali-salah-aliYassin Ali Salah Ali

11
10
Two gene-protein interaction models were modeled using the saturating behavior of opamps to model the sigmoid concentration/rate curves.
Project Owner Contributor

Model nonlinear biochem reactions using opamps.

bruce-landBruce Land

1k
3
7
A circuit sculpture to participate in the 2023 op amp challenge.
Project Owner Contributor

Chaotic Lighthouse

mabe42MaBe42

1.6k
5
4
Simple and easy way to build your own FSK modulator and demodulator!
Project Owner Contributor

FSK MODULATOR & DEMODULATOR

mit41301mit41301

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

Analog Lorenz Attractor Computer

cheeennppCheeenNPP

423
4
5
Designing affordable BioPhysiology sensors for Human Computer Interface (HCI) and Brain Computer Interface (BCI)
Project Owner Contributor

$1 HCI & BCI

deepak-khatriDeepak Khatri

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

Synthesizer Opamp Galore

nblanchard7134Nblanchard7134

172
1
0
If opamps are super useful, RRIO opamps even more. .
Project Owner Contributor

DIY LM358 RRIO OpAmp

steve-schneppSteve Schnepp

1k
421
6
Sentry is an ESP32 wifi camera specially designed for local AI mode, its firmware is completely open source
Project Owner Contributor

Open source ESP32-Camera for Yolov4/5/6

fiberpunkFiberpunk

182
0
0
Beeper Circuit using Analog Components
Project Owner Contributor

Op Amp Alarm

jmpJMP

11.6k
48
43
Making the most of non-ideal components in a non-ideal world.
Project Owner Contributor

Multislope ADC

nnniNNNI

3.8k
33
39
LED array that lights up in response to motion and sends waves across the array.
Project Owner Contributor

interactive analog LED wave array

chrisChris

574
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

13.8k
99
87
BioPotential amplification on your finger tip!
Project Owner Contributor

BioAmp EXG Pill v1.0b

deepak-khatriDeepak Khatri

5.1k
21
32
CMOS Homemade Operational Amplifier module and a photo detector using it.
Project Owner Contributor

CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

280
339
2
Fast Compressor built with minimal components
Project Owner Contributor

Dirty Dan Compressor

john-wetzelJohn Wetzel

1.2k
1
2
BioPotential amplification on your finger tip!
Project Owner Contributor

BioAmp EXG Pill v1.0

deepak-khatriDeepak Khatri

991
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

failed to load.

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2025 Hackaday