2 layers55.6 × 71.2 mm
2 layers18 × 23 mm
BYTE Magnetic
oneohm/BYTE11The BYTE hands free interface
- Size
- 18 × 23 mm
- Copper layers
- 2
- Thickness
- 0.8 mm
- Parts
- 20
- Nets
- 22
- Pads
- 92
- Tracks, vias
- 340, 26
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Aug 2020
- Updated
- 11 Oct 2021
Overview
BYTE Magnetic is an open-source printed circuit board by oneohm, from the oneohm/BYTE repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 18 × 23 mm with 20 parts on 22 nets, routed with 340 tracks and 26 vias.
It is built around the ADS1115IDGS, DRV2605LDGS and SI7210-B-12-IM2, with the SI7210-B-13-IM2 and SI7210-B-14-IM2 among its other parts. Its parts include 6 capacitors, 6 ICs, 3 diodes and 1 connector.
Main components
5
ADS1115IDGS
MSOP10Ultra-Small, Low-Power, 4 Channels 16-Bit Analog-to-Digital Converter with Internal ReferenceTexas InstrumentsUncategorised
DRV2605LDGS
VSSOP-10-0.5mm-40℃~+85℃ 1 2V~5.2V 500uA I2C Yes VSSOP-10-0.5mm Brushed DC Motor Drivers ROHSTexas InstrumentsBrushed DC Motor Drivers
SI7210-B-12-IM2
DFN-8(1.4x1.6)-40℃~+125℃ 1.71V~5.5V 360uA Built-in temperature sensor ±0.05%/℃ ±200mT DFN-8(1.4x1.6) Linear Hall Sensors ROHSSilicon LabsLinear Hall Sensors
SI7210-B-13-IM2
TDFN-8(1.4x1.6)-40℃~+125℃ 1.71V~5.5V 400nA ±20mT TDFN-8(1.4x1.6) Linear Hall Sensors ROHSSilicon LabsLinear Hall SensorsSI7210-B-14-IM2
TDFN-8(1.4x1.6)-40℃~+125℃ 1.71V~5.5V 400nA Built-in temperature sensor ±20mT TDFN-8(1.4x1.6) Linear Hall Sensors ROHSSilicon LabsLinear Hall Sensors
README
README.mdThe BYTE
Full design package for the BYTE hands free interface
Details are available on the Hackaday project page:` https://hackaday.io/project/171778-the-byte
Repository Architecture
This repository is divided by 4 main folders:
- Docs: You'll find here our consult documents, and documentation of the project.
- Firmware: You'll find here everything you need to build the firmware and in case of needed, modify it.
- Hardware: You'll find here the KiCad projects with theirs libraries so the design is fully portable.
- Mechanical: You''ll find here all the FreeCad files to print/modify/understand the mechanics of the device.
You will find more information on each README in each folder, in order to keep this readme short.
Previous Versions
It's important to note that this repository is under development, if your interested on one "The Byte" device already working, you should jump to the Realese section of this repository to get the V1.0
Version 1.0
The version 1.0 has this architecture based on Seeeduino XIAO and all the connection is done by USB.
License Info:
Firmware is licensed under the GNU General Public License v3.0
Hardware design is licensed under 
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Once the design is finalized the hardware will recieve a more permissive license.
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C3, C6, C7 |
| 3 | 1uF | Capacitor_SMD:C_0603_1608Metric | C1, C4, C5 |
| 3 | D_Small | Diode_SMD:D_0603_1608Metric | D1, D2, D3 |
| 1 | ADS1115IDGS | Package_SO:TSSOP-10_3x3mm_P0.5mm | U2 |
| 1 | DRV2605LDGS | Package_SO:VSSOP-10_3x3mm_P0.5mm | U1 |
| 1 | Input | BYTE_Sensors:Flex_Connector | J1 |
| 1 | Motor_DC | BYTE_Sensors:VLV041235L | M1 |
| 1 | PTCA9536BDTMR | BYTE_Sensors:PTCA9416DTMR | U3 |
| 1 | R_Pack04 | Resistor_SMD:R_Array_Convex_4x0603 | RN1 |
| 1 | SI7210-B-12-IM2 | BYTE_Sensors:SON40P140X160X40-8N-D | U4 |
| 1 | SI7210-B-13-IM2 | BYTE_Sensors:SON40P140X160X40-8N-D | U5 |
| 1 | SI7210-B-14-IM2 | BYTE_Sensors:SON40P140X160X40-8N-D | U6 |
| 1 | Val** | BYTE_Sensors:Logo | Ref** |
The 19 most common of 20 parts.
Questions
How big is the BYTE Magnetic PCB?
It measures 18 × 23 mm and has 2 copper layers, 0.8 mm thick.
What parts does the BYTE Magnetic use?
20 parts, built around the ADS1115IDGS, DRV2605LDGS, SI7210-B-12-IM2 and SI7210-B-13-IM2. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the BYTE Magnetic KiCad files?
From the oneohm/BYTE repository on GitHub, at the commit this page was made from: the board is Hardware/BYTE_Sensor_Pack/BYTE_magnetic/BYTE_Magnetic.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the BYTE Magnetic design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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