4 layers64 × 92.8 mm
4 layers68 × 36.8 mm
Induction encoder
Twisted-Fields/induction_encoder22An induction encoder with generator script for the Acorn steering system.
- Size
- 68 × 36.8 mm
- Copper layers
- 4
- Thickness
- 1.61 mm
- Parts
- 72
- Nets
- 29
- Pads
- 200
- Tracks, vias
- 3,087, 97
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 6 Feb 2024
- Updated
- 26 Dec 2024
Overview
Induction encoder is an open-source printed circuit board by Twisted-Fields, from the Twisted-Fields/induction_encoder repository on GitHub. It is a 4-layer board of 68 × 36.8 mm with 72 parts on 29 nets, routed with 3,087 tracks and 97 vias.
It is built around the MT9105ET, ADS1115IDGS and IPS2200. Its parts include 38 capacitors, 12 ICs, 5 resistors and 1 connector.
Main components
3
MT9105ET
SOT-23-40℃~+150℃ 3V~5.5V 5mV/Gs 6.7mA Rail-to-rail output ±1.5% ±10%/℃ ±44mT SOT-23 Linear Hall Sensors ROHSNOVOSENSELinear Hall Sensors
ADS1115IDGS
MSOP10Ultra-Small, Low-Power, 4 Channels 16-Bit Analog-to-Digital Converter with Internal ReferenceTexas InstrumentsUncategorised
IPS2200
TSSOP16TSSOP16 New Arrivals ROHSRenesas ElectronicsUncategorised
README
README.mdTwisted Fields Induction Encoder
Forked from https://github.com/tlalexander/induction_encoder
Run the python script to generate the encoder coils.
Parts
72| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100n | Capacitor_SMD:C_0603_1608Metric | C2, C4, C6, C8, C9, C10, C11, C14, C21, C24, C26 |
| 8 | 4.7n | Capacitor_SMD:C_0603_1608Metric | C3, C12, C15, C16, C17, C18, C22, C27 |
| 8 | MT9105ET | Package_TO_SOT_SMD:SOT-23 | U1, U2, U3, U4, U5, U6, U8, U9 |
| 6 | 100pF | Capacitor_SMD:C_0603_1608Metric | C28, C29, C30, C31, C39, C40 |
| 6 | MountingHole | encoder:SMD_BD5.6-D4.1 | H1, H2, H3, H4, H5, H6 |
| 4 | 47nF | Capacitor_SMD:C_0603_1608Metric | C34, C35, C36, C37 |
| 4 | TestPoint | TestPoint:TestPoint_Pad_D2.0mm | TP1, TP4, TP7, TP8 |
| 3 | 1u | Capacitor_SMD:C_0603_1608Metric | C1, C5, C23 |
| 3 | ADS1115IDGS | Package_SO:TSSOP-10_3x3mm_P0.5mm | U7, U11, U12 |
| 2 | 1.6nF | Capacitor_SMD:C_0603_1608Metric | C32, C33 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C7, C25 |
| 2 | 22R | Resistor_SMD:R_0603_1608Metric | R11, R12 |
| 2 | 470nF | Capacitor_SMD:C_0603_1608Metric | C38, C41 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | SolderJumper_2_Bridged | encoder:circuit_bridge | JP1, JP2 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | Conn_01x06 | parts:Ckmtw-W-2510S06P_1x06_P2.54mm_Horizontal | J2 |
| 1 | IPS2200 | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U10 |
| 1 | LOGO | taylor_footprints:twisted_icon | G*** |
| 1 | LOGO | taylor_footprints:twisted_2 | G*** |
| 1 | LOGO | parts:believe | G*** |
| 1 | LOGO | taylor_footprints:twisted | G*** |
Questions
How big is the Induction encoder PCB?
It measures 68 × 36.8 mm and has 4 copper layers, 1.61 mm thick.
What parts does the Induction encoder use?
72 parts, built around the MT9105ET, ADS1115IDGS and IPS2200. 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 Induction encoder KiCad files?
From the Twisted-Fields/induction_encoder repository on GitHub, at the commit this page was made from: the board is induction_encoder.kicad_pcb and its schematic induction_encoder.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Induction encoder design in my own project?
Its repository states no licence, so its author keeps all rights: ask Twisted-Fields before reusing the design.
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