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Edevaldo Pereira

Electrical engineer, chip designer.

Austin - TX
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edevaldo-pereira
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This user joined on 01/09/2021.

61.3k
2.8k
79
295
Single rotor, "singlecopter", selfmade drone with air vanes for position control as a full remake of the Ball-Drone Project
Project Owner Contributor

The Ball-Drone Project MK II

benjamin-prescherBenjamin Prescher

35.2k
221
30
175
32 bit RISC-V homemade CPU out of discrete components
Project Owner Contributor

Pineapple ONE

filipszkanderafilip.szkandera

24k
644
17
236
In this project, I will build a desktop-sized MRI that is inexpensive and can be built by anyone.
Project Owner Contributor

Home Made MRI

yashiroyashiro

17.5k
581
8
33
I'm looking for perfect audio DAC for ESP8266/ESP32
Project Owner Contributor

Loud ESP

andriymalyshenkoandriy.malyshenko

6.4k
27
6
24
Single board computer (128KB SRAM) build in 1991.
Project Owner Contributor

68000 minimal homebrew computer

stevenSteven

5.7k
93
4
83
Fully 3D-printable hydraulics for all your robotics projects
Project Owner Contributor

3D-printable double helical gear pump *watertight*

brian-brockenBrian Brocken

5.6k
33
3
46
Basic design concepts for a 3D printable maypole braiding machine with bobbin carriers designed with tension control.
Project Owner Contributor

Braiding Machine - Maypole Braider and bobbins

kmatch98kmatch98

5.3k
4.1k
0
17
a hardware sampler based on the raspberry pi running bare metal (so no Linux)
Project Owner Contributor

openSampler

nick-verlindenNick Verlinden

3.2k
3.2k
0
63
A fully open-source digital power electronics technology framework for fast prototyping switch-mode power supplies
Project Owner Contributor

DIY Power for all - OwnTech

jean-alineiJean Alinei

2.7k
44
4
29
Xark's Open Source Embedded Retro Adapter - Retro graphics display for rosco_m68k and similar retro computers
Project Owner Contributor

Xosera - FPGA-Based Retro Video Graphics

xarkXark

2.4k
29
9
23
The MCLZ8 is an open-source drop-in emulator for the Zilog Z80 which uses a Teensy 4.1 and a small PCB.
Project Owner Contributor

MCLZ8 Drop-in Z80 Emulator and Accelerator

ted-friedTed Fried

2k
1.9k
0
17
Replacing the guts of a broken Powerbook with everyone's favorite SBC
Project Owner Contributor

Raspberry Pi Powerbook

dan-jilekDan Jilek

1.6k
1.6k
0
1
Control two relays from Blynk or Touch Sensor using NodeMCU DHT11 sensor and LDR with real-time feedback.
Project Owner Contributor

Home Automation With NodeMCU LDR DHT11 Sensor

subhajitSubhajit

1.3k
34
4
24
An evolution of the rosco_m68k 68000 home-brew computer, this time with a 68030 at (initially) 33MHz and with some advanced peripherals
Project Owner Contributor

rosco_m68k_pro

ross-bamfordRoss Bamford

1k
1k
2
12
Sometimes simple is better.
Project Owner Contributor

A 3D Printed Simple "Walking" Mechanism.

greg-zumwaltGreg Zumwalt

964
17
1
13
Following the grand tradition of 68k homebrew. It's an exercise in integration, writing device drivers, and eventually something like an OS
Project Owner Contributor

AWP68k

relREL

820
589
0
10
Controlling an LED Matrix with a MAX7221/MAX7219 From a Raspberry Pi
Project Owner Contributor

Driving an LED Matrix From a Raspberry Pi

bharbourBharbour

781
19
0
11
Redesign analog bench meter with todays technology
Project Owner Contributor

Analog Bench Meter

sufSUF

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