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83 projects
635
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

959
3
4
Simple triangle-wave oscillator w/ LM324 OP Amp
Project Owner Contributor

Triangle-wave oscillator

florian-wilhelm-dirnbergerFlorian Wilhelm Dirnberger

3k
1.9k
41
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

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

Sine Control: Analog Computer for RC Tx

johnJohn

283
2
2
A basic demonstration of Op Amp as Differential Amplifier
Project Owner Contributor

RGB LED control with Op Amp and ADXL335

rudra-ladRudra Lad

100
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

2.8k
498
14
Op amp circuit for generating Spirograph like curves
Project Owner Contributor

Op Art

craig-dCraig D

1.1k
523
3
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

184
3
3
Balanced Ternary Analog-to-Digital Converter (ADC)
Project Owner Contributor

Ternary ADC

shaosSHAOS

1.5k
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

1.2k
5
7
Home made thermocouple and an analog cold junction compensator which gives output voltage directly proportional to temperature in °C
Project Owner Contributor

Thermocouple Amplifier

rudraksha-vegadRudraksha Vegad

5.4k
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

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

166
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

204
0
0
Akhiyon se jump maare! dino kamaal re ;)
Project Owner Contributor

EOG dino game controller

deepak-khatriDeepak Khatri

2.6k
17
19
Plugging modules in modified prototype boards allows an affordable and flexible analog computer system with unusual features
Project Owner Contributor

Flexible Analog Computer

rainer-glaschickRainer Glaschick

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

952
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

581
1
3
Use op amps to create digital logic gates and higher level logic functions.
Project Owner Contributor

Op Amp Logic

dduckertdduckert

793
12
15
Open-Source, Environmentally Friendly Mouth Mouse with Sip/Puff Switch
Project Owner Contributor

IRAZU

olman-orozcoOlman Orozco

3.7k
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

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

257
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.

917
1
2
BioPotential amplification on your finger tip!
Project Owner Contributor

BioAmp EXG Pill v1.0

deepak-khatriDeepak Khatri

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