Loading project Things

ThingAtlasHardware grows when we build together.

Quote / Search Download desktop app Documentation

OTTO-hardware | ThingAtlas

publicUnclaimed/

OTTO-hardware

CloneStarsFork Build this

Unclaimed listing

This community catalog listing has no manager yet. View original GitHub repository

Sign in to claim this listing

Things Files Issues Pull requests Builds · 0 Commits

Loading revisions…0381fe6cd

Top-level Things · 6

OTTO-dac assembly59 child itemsPCBA
OTTO-dac/OTTOdac.zip! assembly21 child itemsPCBA
OTTO-main assembly21 child itemsPCBA
OTTOtact assembly57 child itemsPCBA
OTTO-power assembly31 child itemsPCBA
1050170001Component

Imported hardware project from GitHub.

Loading README and project media…

About

Imported hardware project from GitHub.

Electronics

GPL-3.0

Build details

Difficulty: Intermediate
Parts estimate: $0 USD
Build time: ~1 hours

Estimates supplied with this release.

master

master · selected0381fe6cd

thingatlas/import88c29b87b

Clone

Clone repository

Open in GitHub Desktop

Download ZIP · master

Files from this revision, including CAD and LFS contents. Git history is not included.

Or in GitHub Desktop, choose File → Clone repository → URL and paste this address.

Public repositories can be cloned without signing in. For pushing, use your ThingAtlas username and a Git access token as the password.

Command line

git lfs install
git clone https://thingatlas.com/git/-unclaimed/otto-hardware-143409323.git

Includes Git history, branches, and Git LFS files. Clones the repository’s default branch, regardless of the version shown here.

README.mdView source

OTTO-project

Hardware prototype for the OTTO Synthesizer by Topisani

prototype rendering 10x10 silicone buttons with led backlight

Main features

Mainboard

ILI9341 based TFT 2.8" TFT screen.
4 low profile clickable encoders
40 function keys
STM32F103VET6 mcu
Raspberry GPIO connector
connects to all the various boards
expansion headers

Power board

2A 5-16V DC input & 500mah micro usb input
MAX8903A 1s Lipo charger IC with path management
5V 2A DC-DC boost converter (TPS61090) & 3V3 700mah LDO (XC6210)
MAX17048 1s lipo fuel gauge, connected via i2c to the raspberry
pi_power circuit for monitoring and control boot and shutdown routine

Audio Board

SGTL5000 Audio Codec
Electret microphone amp circuit
LM4860 speaker amplifier
1 TRS jack line IN
1 TRS jack line OUT
1 Headphone IN

Keyboard

2 octaves keyboard with 16 keys bottom row
expansion headers
16 addressable rgb leds

those specs refer to the tactile buttons version, but a led backlight button version is in the works too.

prototype rendering one of the first design iteration