2 layers136.6 × 116.9 mm
2 layers99.8 × 99.6 mm
Morro dragon
OPRobots/DragonBot8Robot siguelineas con succión centrifuga y STM32F1
- Size
- 99.8 × 99.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 71
- Nets
- 52
- Pads
- 204
- Tracks, vias
- 782, 45
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 6 Sep 2019
- Updated
- 1 May 2023
Overview
Morro dragon is an open-source printed circuit board by OPRobots, from the OPRobots/DragonBot repository on GitHub, published under the GPL-2.0 licence. It is a 2-layer board of 99.8 × 99.6 mm with 71 parts on 52 nets, routed with 782 tracks and 45 vias.
It is built around the QRE1113, BSS83P and CD74HC4067M. Its parts include 21 resistors, 12 ICs, 9 capacitors, 4 connectors and 2 diodes.
Main components
3
QRE1113
DIP-41mm 20mA DIP-4 Reflective Optical Interrupters ROHSonsemiReflective Optical Interrupters
BSS83P
SOT-23MOSFETsTECH PUBLIC
CD74HC4067M
SOIC-24-300mil-55℃~+125℃ 16 160Ω 16:1 22ns 2V~6V 345ns 365ns 89MHz Bidirectional analog channel、Glitch-free switching SOIC-24-300mil Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
README
README.mdDragonBot
Robot siguelineas con succión centrifuga y STM32F1
Hardware
- STM32F1 "BluePill"
- Driver de motores TB6612FNG
- 2x Motores Pololu N20 HP @3000rpm
- 1x Motor Brushless Rotorx
- LiPo 2S ~250 mAh
- 12x Sensores QRE1113
- 12x Potenciometros para regular la ganancia de los sensores
- Ruedas Scaleauto Procomp 1
- Chasis de PCB autosoportado con soportes de motores, ventilador y parachoques impresos en PLA
Software
- Programado con VSCode y PlatformIO
- Funciones de PID y cálculo de posición en la línea
- Disponibles programas para configuración por defecto, coreless y brushless en diferentes ramas secundarias
Parts
71| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | 47 | Resistors_SMD:R_0805 | R1, R2, R3, R4, R5, R6, R7, R10, R11, R12, R14, R15, R16, R17, R18, R19 +2 |
| 12 | 51K | Potentiometers:Potentiometer_Trimmer-EVM3E | POT1, POT2, POT3, POT4, POT5, POT6, POT7, POT8, POT9, POT10, POT11, POT12 |
| 12 | QRE1113 | mods:QRE1113 | U1, U2, U3, U4, U5, U6, U7, U8, U9, U10, U11, U12 |
| 4 | MountingHole_3.2mm_M3 | Mounting_Holes:MountingHole_3.2mm_M3 | , , , |
| 3 | 100nF | Capacitors_SMD:C_0805 | C2, C4, C7 |
| 3 | 1uF | Capacitors_SMD:C_0805 | C1, C3, C6 |
| 3 | Conn_01x03 | Socket_Strips:Socket_Strip_Straight_1x03_Pitch2.54mm | J4, S_DER1, S_IZQ1 |
| 2 | 150 | Resistors_SMD:R_0805 | R13, R21 |
| 2 | C | Capacitors_SMD:C_0805 | C8, C9 |
| 2 | GS3 | Connectors:GS3 | ENB, J3 |
| 2 | LED | LEDs:LED_0805 | D1, D2 |
| 2 | LOGO | Librerias manu:opr1 | G***, G*** |
| 1 | Librerias manu:opr2 | ||
| 1 | 10k | Resistors_SMD:R_0805 | R20 |
| 1 | BSS83P | TO_SOT_Packages_SMD:SOT-23 | Q1 |
| 1 | CD74HC4067 | Housings_SSOP:TSSOP-24_4.4x7.8mm_Pitch0.65mm | MULTIPLEXADOR1 |
| 1 | CP1 | Capacitors_THT:CP_Radial_D4.0mm_P1.50mm | C5 |
| 1 | Conn_01x10_Female | Socket_Strips:Socket_Strip_Straight_1x10_Pitch1.27mm | J1 |
Questions
How big is the Morro dragon PCB?
It measures 99.8 × 99.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Morro dragon use?
71 parts, built around the QRE1113, BSS83P and CD74HC4067M. 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 Morro dragon KiCad files?
From the OPRobots/DragonBot repository on GitHub, at the commit this page was made from: the board is pcb_files/pcb_morro/Morro_dragon.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Morro dragon design in my own project?
Its repository publishes it under the GPL-2.0 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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