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82 projects
2k
787
4
Clean hack of the otherwise very solid ART DJ-Pre II phono preamp with the aim of improving the existing design and enhancing its features
Project Owner Contributor

Audio - Phono preamplifier boost

jovanJovan

1.3k
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

95
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

1k
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

1k
5
3
Module based on the LTC2640 DAC from Linear Technologies
Project Owner Contributor

SPI controlled voltage regulator module

samuelfmlourencosamuel.fmlourenco

6.1k
49
69
An analog computer for solving sets of Lorenz attractor differential equations
Project Owner Contributor

Analog Lorenz Attractor Computer

cheeennppCheeenNPP

15.5k
103
92
BioPotential amplification on your finger tip!
Project Owner Contributor

BioAmp EXG Pill v1.0b

deepak-khatriDeepak Khatri

3.5k
70
4
Raspberry PI and ADC10080, works decently for a 24 Mbps signal and has 100 k input impedance
Project Owner Contributor

Raspberry Pi Pico Super Simple Oscilloscope

sciencedude1990sciencedude1990

421
4
5
Analog robot that uses two light dependent resistors to guide the robot towards a light source, and also reverse if it gets too close
Project Owner Contributor

Analog Light Chasing Robot

customelectronicsCustomElectronics

587
2
2
A custom Feather with SAM L21 microcontroller, paired with wings that let us interactively explore its integrated op amp peripheral.
Project Owner Contributor

Feather Op Amp Lab

joey-castillojoey castillo

6k
36
34
An ultra-low noise amplifier (named EmoeNAP) capable to measure low-noise LDO/OPA's wide band output noise, and many other applications
Project Owner Contributor

Take a 'NAP' and enjoy a moment of silence

floydfishFloydfish

1.1k
16
14
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

2.2k
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

3.9k
3.5k
44
This module is based on esp32, uses arduino for programming, and the firmware is open source. It realizes the core functions of wifi transfe
Project Owner Contributor

Wifi Module For 3D Printer(ESP32)

fiberpunkFiberpunk

4k
8
15
A quad OpAmp Makes a Buck Regulator
Project Owner Contributor

OpAmp Buck Regulator

aaron-lagerAaron Lager

741
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

386
2
2
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

431
0
0
Beeper Circuit using Analog Components
Project Owner Contributor

Op Amp Alarm

jmpJMP

2.8k
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

2k
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

858
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

474
0
0
Akhiyon se jump maare! dino kamaal re ;)
Project Owner Contributor

EOG dino game controller

deepak-khatriDeepak Khatri

6.5k
25
19
Drive silicon photomultipliers (SiPMs) and build yourself a simple scintillation counter quick and easy!
Project Owner Contributor

Mini SiPM Driver Board

nuclearphoenixNuclearPhoenix

1k
6
8
Voltage is set with three BCD switches with a step of 10mV
Project Owner Contributor

Fully analog digitally controlled voltage source

klimaKlima

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