2 layers85 × 115 mm
OSO BOOK B1
joeycastillo/The-Open-Book
For details on how to build, test and use Open Book, I've made documentation available here.
76 parts8.1kCC-BY-SA-4.0
2 layers70 × 80 mm
Cat mouse
liebman/cat-mouse4Simple autonomous differential drive rover with LIDAR in RUST using an ESP32s3.
- Size
- 70 × 80 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 60
- Pads
- 193
- Tracks, vias
- 402, 35
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 24 Jun 2023
- Updated
- 15 Jul 2023
Overview
Cat mouse is an open-source printed circuit board by liebman, from the liebman/cat-mouse repository on GitHub, published under the MIT licence. It is a 2-layer board of 70 × 80 mm with 33 parts on 60 nets, routed with 402 tracks and 35 vias.
It is built around the ESP32-S3-WROOM-1-N8. Its parts include 17 connectors, 4 capacitors, 4 resistors, 2 ICs and 1 transistor. It belongs with the ESP32 boards of this library.
Main components
1README
README.mdPrototype Rover
Simple autonomous differential drive rover with LIDAR in RUST using an ESP32s3.
- motor contains a simple PWM motor control for cheap brushed motors using a phase/enable type motor controller.
- encoder contains a PCNT based quadrature encoder controller to track the position of the encoder.
- speed-control implements PID control of motor speed using encoder.
- position-control allows the motor position to be controlled by specifying the wanted position in degrees.
- wheel is an abstraction on top of position-control to specify motor position in millimeters.
- differential-drive implements rover rotation and forward/reverse movement by specifying the distance or rotation.
- lidar implements LIDAR with an inexpensive LD19 based Lidar like https://www.amazon.com/dp/B0B1V8D36H
- rover runs around autonomously avoiding things.
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10uf | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R4 |
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3 |
| 2 | DRV8835_pololu | CatMouse:DRV8835_pololu | M1, M2 |
| 2 | I2C0 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J15, J16 |
| 2 | PH_EN | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1, JP2 |
| 1 | +3V3 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | AZ1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | ESP32-S3-WROOM-1 | Espressif:ESP32-S3-WROOM-1 | U2 |
| 1 | IO | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J9 |
| 1 | IO4 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | Lidar | CatMouse:JST_ZH_B4B-ZR_1x04_P1.50mm_Vertical | J19 |
| 1 | M1 M2 Power | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J5 |
| 1 | M3 M4 Power | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J6 |
| 1 | Motor1 | CatMouse:JST_ZH_B6B-ZR_1x06_P1.50mm_Vertical | J11 |
| 1 | Motor2 | CatMouse:JST_ZH_B6B-ZR_1x06_P1.50mm_Vertical | J12 |
| 1 | Motor3 | CatMouse:JST_ZH_B6B-ZR_1x06_P1.50mm_Vertical | J13 |
| 1 | Motor4 | CatMouse:JST_ZH_B6B-ZR_1x06_P1.50mm_Vertical | J14 |
| 1 | Power | CatMouse:BarrelJack_CUI_PJ-202A_Horizontal | J1 |
| 1 | Reset | CatMouse:SW_PUSH_6mm | SW1 |
| 1 | SL3007-TP | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Serial | Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical | J4 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_GCT_USB3076-30-A | J10 |
| 1 | VCC | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | VDC | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J7 |
Questions
How big is the Cat mouse PCB?
It measures 70 × 80 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Cat mouse use?
33 parts, built around the ESP32-S3-WROOM-1-N8. 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 Cat mouse KiCad files?
From the liebman/cat-mouse repository on GitHub, at the commit this page was made from: the board is hardware/kicad/CatMouse.kicad_pcb and its schematic hardware/kicad/CatMouse.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cat mouse design in my own project?
Its repository publishes it under the MIT 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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