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83 projects
367
4
3
Simple and easy way to build your own FSK modulator and demodulator!
Project Owner Contributor

FSK MODULATOR & DEMODULATOR

mit41301mit41301

188
104
1
Fast Compressor built with minimal components
Project Owner Contributor

Dirty Dan Compressor

john-wetzelJohn Wetzel

600
11
9
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

1.4k
9
13
Imagining a pen-clicker, had to test my analogish-skills...
Project Owner Contributor

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

eric-hertzEric Hertz

144
0
0
Muscle (EMG) based game controller!
Project Owner Contributor

EMG dino game controller

deepak-khatriDeepak Khatri

375
190
0
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

1.1k
8
9
Ultra low cost amplifier circuit for pH sensor and 3.3V Microcontrollers
Project Owner Contributor

ultra low cost pH amplifier circuit for 3.3V MCU's

davidDavid

210
2
3
I overheard some co-workers talking about a project that turned a PC Hard Drive into a speaker and I couldn't resist building one
Project Owner Contributor

Hard Drive Voice Coil Speaker

ted-sheflinTed Sheflin

704
6
8
A minimal 4-wire milliohm meter with 4.5 digit display
Project Owner Contributor

SDO Milliohm Meter v1

kuba-sunderland-oberKuba Sunderland-Ober

270
1
2
Designing affordable BioPhysiology sensors for Human Computer Interface (HCI) and Brain Computer Interface (BCI)
Project Owner Contributor

$1 HCI & BCI

deepak-khatriDeepak Khatri

1.9k
707
32
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

3.3k
18
27
CMOS Homemade Operational Amplifier module and a photo detector using it.
Project Owner Contributor

CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

4.2k
35
50
An analog computer for solving sets of Lorenz attractor differential equations
Project Owner Contributor

Analog Lorenz Attractor Computer

cheeennppCheeenNPP

1.8k
8
14
Each line of the breadboard has an LED that glows based on the voltage on that line
Project Owner Contributor

Lightup breadboard

rasmusviil0rasmusviil0

508
5
6
Voltage is set with three BCD switches with a step of 10mV
Project Owner Contributor

Fully analog digitally controlled voltage source

klimaKlima

206
37
1
A modular mixer where it's easy to add more channel strips.
Project Owner Contributor

Modular Multichannel Stereo Audio Mixer

david-moreno-monteroDavid Moreno Montero

89
1
1
Balanced Ternary Analog-to-Digital Converter (ADC)
Project Owner Contributor

Ternary ADC

shaosSHAOS

127
1
1
A basic demonstration of Op Amp as Differential Amplifier
Project Owner Contributor

RGB LED control with Op Amp and ADXL335

rudra-ladRudra Lad

12.9k
87
64
More sensitive to gamma radiation than a Geiger counter with the added bonus of telling exactly what's inside your samples!
Project Owner Contributor

All-In-One Gamma-Ray Spectrometer

nuclearphoenixNuclearPhoenix

141
1
2
Op-amp based sine generator for FlySky Radio Controlled Transmitter.
Project Owner Contributor

Sine Control: Analog Computer for RC Tx

johnJohn

1.1k
4
9
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

353
2
2
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

738
11
13
Open-Source, Environmentally Friendly Mouth Mouse with Sip/Puff Switch
Project Owner Contributor

IRAZU

olman-orozcoOlman Orozco

1.6k
6
4
RaspberryPi to measure and study EEG, ECG, EMG, EOG with PiEEG (sleep, stress control, robot control) not funded, fully open-source device
Project Owner Contributor

Easy way to neuroscience with PiEEG for everyone

ildar-rakhmatulinIldar Rakhmatulin

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