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chris

https://catswhisker.xyz

United States
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16 Following
1 Projects
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chris
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This user joined on 08/31/2018.

1.6k
11
4
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This is a pH meter with temperature compensation and digital readout (but no microcontroller)
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No-Code pH Meter

chrischris

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100 MSps 2ch oscilloscope based on Raspberry Pi Pico
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RPScope

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a jumperless (solderless) breadboard
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Jumperless

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Making the most of non-ideal components in a non-ideal world.
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Multislope ADC

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DIY extremely simple pocket computer Based on Raspberry Pi PICO+LCD+Buttons Software in circuitpython
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PYPRCA - Python Programmable Calculator (computer)

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Chris' Really Awful Pi: so bad, it's good
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CRAPi2040

chrisChris

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An open-source Analog Lock-In Amplifier LOCKDOWN: LOCK-In Device for Observing Weak and Noisy signals
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LOCKDOWN: An open-source Analog Lock-In Amplifier

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EPROM programmer too expensive? This isn't!
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Relatively Universal ROM Programmer

anders-nielsenAnders Nielsen

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CMOS Homemade Operational Amplifier module and a photo detector using it.
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CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

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Exploring the innards of the battery
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Ryobi 40V Battery investigations

donDon

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An adaptor to allow a drag knife cutter to be fitted to an Ender 3 v2
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Vinyl cutter for Ender 3 v2

robgRobG

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open-source hybrid digital piano with MIDI and Ethernet
Project Owner Contributor

hybrid MIDI digital piano

greg-zweigleGreg Zweigle

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Turning the classic analog physics simulation into an interactive experience with an accelerometer and a handheld CRT display
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Ball-in-box simulator with REAL gravity

wlf647wlf647

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Rotary Encoder with USB Interface and NeoPixels
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CH552 USB Knob

stefan-wagnerStefan Wagner

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A minimal 4-wire milliohm meter with 4.5 digit display
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SDO Milliohm Meter v1

kuba-sunderland-oberKuba Sunderland-Ober

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Home made thermocouple and an analog cold junction compensator which gives output voltage directly proportional to temperature in °C
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Thermocouple Amplifier

rudraksha-vegadRudraksha Vegad

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A proof of concept which demonstrates how analog op amps can perform digital logic functions.
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OP-Amps Gone Digital - A BCD to 7 Seg Converter

gschmidt958gschmidt958

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Handheld RISC-V Mini Game Console with OLED Display
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CH32V003 RISC-V Mini Game Console

stefan-wagnerStefan Wagner

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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

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Mitsuru Yamada wrote 08/01/2022 at 05:09 • point

Thank you for liking my #PERSEUS-8 homemade 6502 computer and #Homemade Successive Approximation Register ADC ! And thank you for following me!

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