Hackaday.io Hackaday.io
Projects
Recently Updated Most Likes Newest Project Lists
Discover Contests Courses Stack
More
Courses Tutorials Events Hackerspaces Hackaday.com Tindie Marketplace
Sign up Log in
Close
0%
0%

Ralphw

Interested in autonomous robots, self driving cars, Lisp, LOGO, 6502.

Ohio
Following Follow me
Send a private message
Similar accounts worth following
16 Followers
4 Following
0 Projects
0 Likes
  • Lists 2
    • View All
  • Pages 2
    • View All
  • Following 19
    • View All
  • Bits 1
ralphw
Send a private message

Who I Am

I went to a technical school in Cambridge, then worked at another technical school in Pittsburgh. I was happy to have spent time on self-driving car projects, as well as other efforts along the way.

Did a lot of IT consulting as networks of computers became widespread within companies.

Why I'm on Hackaday.io

Interested in the projects here.

C LISP java robots machine vision ai scheme arduino APPLE2 6502 STEbus midi synthesizers

This user joined on 07/26/2014.

My Lists

STEbus stuff

Systems using the STEbus - a backplane architecture that uses Eurocard connectors (familiar if you use Nubus)

Curated by Ralphw

8
1

6502 stuff

The coolest 6502-related projects on Hackay.io

Curated by Ralphw

2
4

My Pages

  • Pre-MIDI Music for the Apple II (2/2)

    03/14/2022 at 00:13 • 0 comments

    The Alpha Syntauri demo - a system the appeared on the marketplace in the early 1980s as well - is listed below.  Many models had a velocity-sensitive keyboard.

  • Pre-MIDI MUSIC for the Apple II (1/2)

    03/13/2022 at 23:55 • 0 comments

    I have a small collection of keyboards designed to plug into the Apple II.


    The Passport Designs Soundchaser keyboard is a four octave keyboard, typically paired with the Mountain Computer Music System board set.  It can do 16 voices, in any combination of 8-bit waveforms.

    First, the Passport Designs demo: (link to YouTube)


    Visit https://hackaday.io/page/11929-pre-midi-music-for-the-apple-ii-22 for the next demo.

View all 2 pages

Things I've Built

Navlab-1

Self-driving car project at Carnegie-Mellon University. Project involving a team of about 25-25 people, grad students, faculty and staff. My roles involved unix administration and backplane optimization for onboard Sun servers.

Projects I Like & Follow

  • The 2017 Hackaday Prize
418.5k
1.9k
155
1.4k
Pi Zero-based open-source mobile phone (that you can assemble for 50$ in parts)
Project Owner Contributor

ZeroPhone - a Raspberry Pi smartphone

aryaArya

228.4k
2.6k
62
987
pcb mill built from garbage using basic hand tools and little money
Project Owner Contributor

PCB mill for under $10

shlonkinshlonkin

75.9k
2k
85
396
Spartan 6 FPGA Shield includes SPI Configuration Flash, Breakout Headers, SRAM, programmable from Arduino or SPI Programmer
Project Owner Contributor

Arduino-Compatible FPGA Shield

technolomaniactechnolomaniac

  • The 2016 Hackaday Prize
23.8k
5.3k
12
91
Replicate an Apple-1. Or an OSI Challenger. Or something else. Design your own 6502 computer by programming it.
Project Owner Contributor

L-Star: Software-Defined 6502 Computer

jac-goudsmitJac Goudsmit

  • The 2018 Hackaday Prize
19.2k
54
5
45
Homemade low cost CPLD dev board (Arduino STM32F103 and Altera MAX II EPM240/EPM570 CPLD). Two dev boards into one.
Project Owner Contributor

Arduino + CPLD = CPLD Fun Board!

just4funJust4Fun

7.7k
65
4
60
A Modular 4-Bit CPU Design
Project Owner Contributor

DDL4-CPU

daves-dev-labDave's Dev Lab

7.7k
123
13
80
A 65c816-based MiniITX motherboard.
Project Owner Contributor

Neon816

lenore-byronLenore Byron

  • Official Hackaday Prize Entry
7.2k
1.3k
3
49
A single-board computer kit with a 6502 controlled by a Propeller.
Project Owner Contributor

Propeddle: Software-Defined 6502 Computer

jac-goudsmitJac Goudsmit

6.7k
59
12
61
A Z80 homebrew computer with 64KB SRAM & 32KB ROM (with BASIC), TMS9918A VDP (video) and AY-3-8910 PSG (audio)
Project Owner Contributor

LM80C Color Computer

leonardo-milianiLeonardo Miliani

6.7k
33
2
39
A custom 136 key mechanical keyboard, inspired by the Sun Type 5 keyboard, and the classic phone dial-pad.
Project Owner Contributor

Sundial Keyboard

jesse-robinson-beaconJesse Robinson (beacon)

3k
52
6
17
DIP40: Xilinx ZYNQ-7000, HDMI, USB, micro-SD, 32MB LPDRR2, 16MB Flash
Project Owner Contributor

Soft Propeller +HDMI +USB

antti-lukatsAntti Lukats

1.6k
10
0
17
A Speech Synthesizer, SID Soundcard, and MIDI IN Realtime SID+AY Synthesizer for the Amstrad CPC!
Project Owner Contributor

Speak&SID CPC

michael-wesselMichael Wessel

1.5k
31
0
9
Speech synthesis on a microcontroller. Talking projects, cheap as chips!
Project Owner Contributor

μTTS

greg-kennedyGreg Kennedy

  • Official Hackaday Prize Entry
1.4k
244
0
13
A general purpose interface PC interface that should be able to give a regular pc I/O interfaces that are commonly found on MCU-s.
Project Owner Contributor

PC general purpose interface

dl101DL101

1.4k
16
2
11
65C02, 32K Flash ROM, 64K fast RAM, USB link to PC. Runs BBC BASIC, at up to 14MHz.
Project Owner Contributor

STEbus 65C02

keithKeith

1.2k
9
2
9
Bringing Halo style game play to Laser Tag Team Ops
Project Owner Contributor

Halo inspired laser tag (LTTO hack)

daveverleedave.verlee

977
6
0
7
A complete guide to building one of the coolest audio-modulated high voltage machines on the planet!
Project Owner Contributor

Making the Ultimate Class-E Musical Tesla Coil

zach-armstrongZach Armstrong

515
7
2
5
STEbus I/O slaves are much easier to make than masters. This board uses simple TTL only.
Project Owner Contributor

STEbus I/O prototyping board

keithKeith

View all

Share this profile

Share

Bits

Log In/Sign up to comment

Become a Hackaday.io Member

Create an account to leave a comment. Already have an account? Log In.

Sign up with Github
Sign up with Twitter
OR
leylinazi99 wrote 06/28/2022 at 07:46 • point

90

  Are you sure? yes | no

Send a private message to Ralphw

Become cool instantly

Create your Hackaday.io profile like Ralphw and many others

Going up?

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

© 2023 Hackaday

Report user as inappropriate

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