Close
0%
0%

Alvaro Barcellos

I'm a curious with some skills

Rio de Janeiro, Brasil
Following
Send a private message
Similar accounts worth following
11 Followers
12 Following
3 Projects
11 Likes
alvaro-barcellos
Send a private message

This user joined on 04/04/2014.

821
7
0
6
A minimal DIY 8-bit CPU made with TTL chips, to perform native brainfu*k language, extended to use three sequential access tapes.
Project Owner Contributor

Jelly

alvaro-barcellosAlvaro Barcellos

366
3
0
3
A more generic eeprom programmer using Arduinos.
Project Owner Contributor

eepromgrammer

alvaro-barcellosAlvaro Barcellos

102
1
2
2
A single charlieplexing mixed red, green and blue minimal leds lights for Christmas.
Project Owner Contributor

XmasLeds

alvaro-barcellosAlvaro Barcellos

74hc00d

some cpus diy of 74hc logic gates

Curated by Alvaro Barcellos

31
5

65c02d

Projects with 6502, 6551, 6522, alike chips

Curated by Alvaro Barcellos

4
3
36.5k
218
42
244
Lowering the cost of Refreshable Braille Cells by using Electromagnetic Cam Actuators & 3D Printing
Project Owner Contributor

Electromechanical Refreshable Braille Module

vijayVijay

7.9k
72
4
55
A very compact, very inexpensive, very DIYable, very precise little CNC mill. This one uses 3d printed parts.
Project Owner Contributor

Minamil 3dp: another minimal CNC mill

paul-mcclayPaul McClay

5.5k
24
4
20
In this project, I built a very simple 4 bit RISC CPU. *Sponsored by PCBway
Project Owner Contributor

The simplest 4-bit RISC CPU

marsianin245Marsianin245

4.6k
34
20
34
EPROM programmer too expensive? This isn't!
Project Owner Contributor

Relatively Universal ROM Programmer

anders-nielsenAnders Nielsen

3.1k
40
0
47
ErgO is a small unobtrusive ring worn on the pointer finger that tracks users’ hand motions to control their Bluetooth device.
Project Owner Contributor

ErgO: A Neural-Network Powered Keyboard-Mouse Ring

sophiaSophia

3.1k
25
5
16
This is the oldest PCB in my collection, acquired from a scrap sale at an old NASA test stand. What did it do?
Project Owner Contributor

Reverse Engineering an Apollo-Era Circuit Card

skyhawksonSkyhawkson

2.9k
28
0
23
Guatemala's first satellite, Quetzal-1, operated for 211 days in-orbit in 2020. Now, we want to make its design open to everyone!
Project Owner Contributor

Open Sourcing the Design for the Quetzal-1 CubeSat

danalvarezdanalvarez

2.6k
17
3
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

2.6k
9
3
11
The Electronic Die of the Future
Project Owner Contributor

Generative AI on a Microcontroller

timTim

2k
209
0
12
Modular open-source microphone array for the development of acoustic camera, direction of arrival and beamforming algorithm exploration
Project Owner Contributor

Sesenta: Open source tileable acoustic camera

andrs-felipe-caldern-de-restrepoAndrés Felipe Calderón de Restrepo

1.4k
324
7
18
A modular and expandable 30MHz+ overclocked 6502 computer design using through-hole/PDIP parts
Project Owner Contributor

Fast PDIP 6502 computer

george-footGeorge Foot

1.3k
10
7
12
Salsa ONE is a single-button game console, inspired by the Arduboy and and the ergonomic design of the SanDisk Sansa music player
Project Owner Contributor

Salsa ONE: Minimalist Game Console

alexAlex

1.3k
9
1
11
A recreation of the Arduino 1-Pixel Camera (https://hackaday.com/2015/01/31/a-single-pixel-digital-camera-with-arduino/)
Project Owner Contributor

My version of the 1-Pixel Camera

hugh-brown-saint-aardvark-the-carpetedHugh Brown (Saint Aardvark the Carpeted)

599
5
0
5
kinetic sound and light sculpture
Project Owner Contributor

intermittent luminal phase

eirik-brandalEirik Brandal

579
9
2
13
70 switches keyboard & standalone CircuitPython computer
Project Owner Contributor

Kailh choc Low Profile Ortholinear keyboard 14x5

bobriciusbobricius

259
8
8
5
Mechanical keyboard with led ws2812b mini(3535)...
Project Owner Contributor

Mechanical keyboard

iloilo

206
9
0
8
An expansion of Albert Paul Malvino's and Ben Eater's SAP-1 to directly execute 6502 machine code
Project Owner Contributor

TTL 6502 based on the SAP-1 Architecture

drmatthewregandrmatthewregan

175
7
0
1
A smaller version of the previous LED Matrix projects.
Project Owner Contributor

More LED Matrix Display Fun

bharbourBharbour

View all

Share this profile

Share

Bits

Anders Nielsen wrote 09/15/2023 at 06:33 • point

Thank you for following my #Relatively Universal ROM Programmer !

  Are you sure? yes | no

Anders Nielsen wrote 05/11/2023 at 13:56 • point

Thank you for liking and following my #65uino project!

  Are you sure? yes | no

Mitsuru Yamada wrote 01/20/2023 at 01:23 • point

Thank you for following my #Prehistory of my homemade PERSEUS computers! It has been a long road so far.

  Are you sure? yes | no

euchcat wrote 08/31/2022 at 20:30 • point

Hi! Thank you for following my list #TTL Hacks

  Are you sure? yes | no

Anders Nielsen wrote 08/03/2022 at 21:37 • point

Thank you for liking my #Simple Universal Modem!

  Are you sure? yes | no

Dusan Petrovic wrote 07/14/2022 at 12:41 • point

Hi @barcellos.alvaro - Thank you for following the #Homebrew CPU!

  Are you sure? yes | no

Ozz wrote 01/08/2021 at 19:29 • point

thanks for following my https://hackaday.io/project/176544-fishbot project .

  Are you sure? yes | no

kristina panos wrote 01/04/2021 at 16:47 • point

Hello Barcellos and thank you for liking my #practice backpack project!

  Are you sure? yes | no

Michael Gardi wrote 11/28/2020 at 18:24 • point

Thank you for following my TMD-2: Turing Machine Demonstrator Mark 2 project.

  Are you sure? yes | no

Mitsuru Yamada wrote 11/26/2020 at 04:52 • point

Thanks for watching and following my project #6502 standalone computer !

  Are you sure? yes | no

Thomas wrote 11/24/2020 at 19:07 • point

Hi, thanks for the follow! See you at Forth2020!

  Are you sure? yes | no

Dr. Cockroach wrote 10/15/2018 at 19:40 • point

Good afternoon and thanks for following #Light Logic  :-)

  Are you sure? yes | no

Josh Starnes wrote 08/07/2018 at 18:55 • point

Thankyou for the follow, be sure to skull anything you like :)
https://hackaday.io/project/135292-ir-uv-invisible-qr-code-navigation-robotics

  Are you sure? yes | no

Vittorio Loschiavo wrote 08/05/2018 at 04:34 • point

Hi Alvaro, thanks for following my projetc https://hackaday.io/project/87345-mini-vertical-wind-generator-3d-printed

  Are you sure? yes | no

roelh wrote 07/24/2018 at 20:28 • point

Hi Barcellos, thanks for following the https://hackaday.com/2018/04/18/the-one-transistor-flip-flop/ !

  Are you sure? yes | no

open-plc-com wrote 06/15/2018 at 15:38 • point

Thanks for following my Using "Blue Pill" STM32F103C8T6 as ST-Link project!

  Are you sure? yes | no

Kris Winer wrote 05/02/2018 at 21:48 • point

Thanks for following my $25 Spectrometer project!

  Are you sure? yes | no

Patrick Van Oosterwijck wrote 04/03/2018 at 15:42 • point

Thanks for following my #LiFePO4wered/Pi project!  You might also be interested in following my next generation #LiFePO4wered/Pi+ project since most new development will take place there. :)

  Are you sure? yes | no

G.Vignesh wrote 07/04/2017 at 02:18 • point

Thanks for the follow!

  Are you sure? yes | no

Dennis wrote 07/03/2017 at 20:09 • point

Thanks for following my project InspectorBot!

  Are you sure? yes | no

Send a private message to Alvaro Barcellos

Become cool instantly

Create your Hackaday.io profile like Alvaro Barcellos and many others

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2024 Hackaday

Report user as inappropriate

You are about to report the user "Alvaro Barcellos", please tell us the reason.