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Projects chris likes and follows

40k
215
178
100 MSps 2ch oscilloscope based on Raspberry Pi Pico
Project Owner Contributor

RPScope

jgpeirojgpeiro

37.1k
204
221
a jumperless (solderless) breadboard
Project Owner Contributor

Jumperless

kevin-santo-cappuccioKevin Santo Cappuccio

325
109
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

18k
52
54
No LightScribe, no LabelTag. No hardware hacks or gimmicks. A regular CD-RW drive and a regular compact disk.
Project Owner Contributor

Burning Pictures on a Compact Disc Surface

arduinocelentanoarduinocelentano

10.8k
47
42
Making the most of non-ideal components in a non-ideal world.
Project Owner Contributor

Multislope ADC

nnniNNNI

6.8k
43
48
DIY extremely simple pocket computer Based on Raspberry Pi PICO+LCD+Buttons Software in circuitpython
Project Owner Contributor

PYPRCA - Python Programmable Calculator (computer)

bobriciusbobricius

12.4k
43
30
The multi-channel power supply (5 Channels up to 100W) solution designed to transform a standard USB port into a flexible energy source.
Project Owner Contributor

Fusion USB PD Power Box

suleymanSuleyman

5.9k
39
36
EPROM programmer too expensive? This isn't!
Project Owner Contributor

Relatively Universal ROM Programmer

anders-nielsenAnders Nielsen

5.3k
37
39
Chris' Really Awful Pi: so bad, it's good
Project Owner Contributor

CRAPi2040

chrisChris

2.5k
33
30
open-source hybrid digital piano with MIDI and Ethernet
Project Owner Contributor

hybrid MIDI digital piano

greg-zweigleGreg Zweigle

5.8k
23
28
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

4.8k
21
32
CMOS Homemade Operational Amplifier module and a photo detector using it.
Project Owner Contributor

CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

2k
18
16
Rotary Encoder with USB Interface and NeoPixels
Project Owner Contributor

CH552 USB Knob

stefan-wagnerStefan Wagner

3.4k
18
10
Exploring the innards of the battery
Project Owner Contributor

Ryobi 40V Battery investigations

donDon

3.3k
10
10
An adaptor to allow a drag knife cutter to be fitted to an Ender 3 v2
Project Owner Contributor

Vinyl cutter for Ender 3 v2

robgRobG

2.2k
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

926
8
16
Handheld RISC-V Mini Game Console with OLED Display
Project Owner Contributor

CH32V003 RISC-V Mini Game Console

stefan-wagnerStefan Wagner

1.3k
8
9
A minimal 4-wire milliohm meter with 4.5 digit display
Project Owner Contributor

SDO Milliohm Meter v1

kuba-sunderland-oberKuba Sunderland-Ober

1.3k
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

958
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

325
1
2
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

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