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benhamal

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7 Following
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benhamal
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This user joined on 11/04/2014.

14.8k
105
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Hacking a Baofeng UV-5R to turn it into a cyberpunk “Arduino sdr”
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Cyberpunk UV-5R

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4Ch Input & 2Ch Output 1MSps STM32 based oscilloscope
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STM32G4 Scope

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A robot that can be used as desktop tool for small automation and education!
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PAROL6 - Desktop robotic arm

petar-crnjakPetar Crnjak

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An ultra-low noise amplifier (named EmoeNAP) capable to measure low-noise LDO/OPA's wide band output noise, and many other applications
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Take a 'NAP' and enjoy a moment of silence

floydfishFloydfish

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DIY oscilloscope with STM32 Microcontroller which has better performances than Arduino and is also cheaper.
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DIY Simple 500КHz Oscilloscope with STM32

mircemkmircemk

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All we need to do get some big resistors and connect them up in different combinations, right?
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10kW (30kW pulse) Electronic Load

tinfevertinfever

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Laser4DIY is an open-hardware machine for producing PCBs by ablating copper with a laser
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Laser4DIY

fablab-mnchenFabLab München

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

CMOS Homemade Operational Amplifier

mitsuru-yamadaMitsuru Yamada

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28
3
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A Geiger counter (radiation monitor and dosimeter) based on the popular soviet SBM-20 (СБМ-20) tube and ESP8266 microcontroller.
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Geiger Counter using SBM-20 and ESP8266

omar-khorshidOmar Khorshid

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Op amp circuit for generating Spirograph like curves
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Op Art

craig-dCraig D

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A DIY Probe Testing system that helps with automatic PCB in-circuit debugging.
Project Owner Contributor

CircuitScout

fangzheng-liuFangzheng Liu

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Plugging modules in modified prototype boards allows an affordable and flexible analog computer system with unusual features
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Flexible Analog Computer

rainer-glaschickRainer Glaschick

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A flipdot display for displaying water levels, incorporating lessons learned over three years
Project Owner Contributor

Improved printed passive pixel pole project

johanJohan

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No really, it was literally taken out of a barn.
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Heathkit SB200 barn find

donDon

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A telescope mount controller using PERSEUS-9 and it displays the coordinate system of a homemade telescope equatorial mount.
Project Owner Contributor

Telescope Mount Controller using PERSEUS-9

mitsuru-yamadaMitsuru Yamada

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RMS Voltage, RMS Current, Real Power, Power Factor, Energy KWh
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Digital AC Energy Measurement Circuit (Pro)

hesammoshirihesam.moshiri

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Can you hear the difference between Op Amp´s? Yes! With this headphone amplifier.
Project Owner Contributor

Listen to the Op Amp´s

stephan-martinStephan Martin

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A low cost and easy to build SPP (Standard Parallel Port) Printer Emulator Shield for Arduino UNO
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Parallel Printer (SPP) Emulator Shield

just4funJust4Fun

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Mitsuru Yamada wrote 02/12/2024 at 01:30 • point

Thank you for liking and following my #Telescope Mount Controller using PERSEUS-9 and #Homemade Floating Point Interpreter for 6502, and thank you for following me! This time, I believe it is able to show that a practical system can be created with home-made hardware and software even with 1970s style technology.

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Mitsuru Yamada wrote 05/26/2023 at 22:07 • point

Thank you for following my #CMOS Homemade Operational Amplifier and #Homemade Successive Approximation Register ADC ! CMOS Operational amplifiers and ADCs are widely used, but I would like to properly understand their internal principles.

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Mitsuru Yamada wrote 01/31/2021 at 01:07 • point

Thank you for liking and following my #Homemade Operational Amplifier !

  Are you sure? yes | no

roelh wrote 04/18/2018 at 21:05 • point

Hi Benhamal, thanks for following the One Transistor FlipFlop !

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Dennis wrote 03/29/2017 at 00:10 • point

Thanks for following my project Anna2 aka A2 the agbot!

  Are you sure? yes | no

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