2 layers
2 layers
Dwmb
qweqq/dwmb1Dude, where's my bike?!
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 120
- Nets
- 84
- Pads
- 364
- Tracks, vias
- 531, 15
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 18 Dec 2015
- Updated
- 24 Dec 2015
Overview
Dwmb is an open-source printed circuit board by qweqq, from the qweqq/dwmb repository on GitHub, published under the MIT licence. It is a 2-layer board with 120 parts on 84 nets, routed with 531 tracks and 15 vias.
It is built around the ULN2803. Its parts include 46 resistors, 24 diodes, 20 capacitors, 10 connectors and 7 transistors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mddwmb
Dude, where's my bike?!
Goals
Build a system that notifies you/a guard/a group of people if someone is trying to steal your bike! (and in case it is stolen provide information)
Parts
120| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | DIODE | Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10 | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 |
| 10 | 100 | Resistors_SMD:R_0805 | R5, R6, R7, R8, R17, R18, R19, R20, R35, R36 |
| 8 | 100n | Capacitors_SMD:C_1206 | C1, C2, C3, C4, C7, C8, C9, C10 |
| 8 | 200 | Resistors_SMD:R_0805 | R1, R2, R3, R4, R13, R14, R15, R16 |
| 8 | 47k | Resistors_SMD:R_0805 | R9, R10, R11, R12, R21, R22, R23, R24 |
| 8 | BI_LED2 | Pin_Headers:Pin_Header_Straight_1x03 | D17, D18, D19, D20, D21, D22, D23, D24 |
| 8 | CABLE | jacks:JACK_STEREO | J1, J2, J3, J4, J5, J6, J7, J8 |
| 7 | 100n | Capacitors_ThroughHole:Capacitor6MMDiscRM5 | C6, C13, C14, C15, C17, C19, C20 |
| 4 | 10k | Resistors_SMD:R_0805 | R25, R26, R27, R28 |
| 4 | 10k | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R29, R30, R31, R32 |
| 4 | MOSFET_N | Housings_TO-92:TO-92-FET-molded-wide-oval-DGS | Q1, Q2, Q3, Q4 |
| 4 | VAL** | Mounting_Holes:MountingHole_3mm | MountingHole_3mm, MountingHole_3mm, MountingHole_3mm, MountingHole_3mm |
| 3 | 2.2k | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R33, R42, R43 |
| 3 | 4.7k | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R34, R44, R46 |
| 2 | 100 | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R45, R47 |
| 2 | 22p | Capacitors_ThroughHole:Capacitor6MMDiscRM5 | C11, C16 |
| 2 | PNP | Housings_TO-92:TO-92-Free-molded-wide | Q6, Q7 |
| 1 | 100n | Capacitors_SMD:C_0805 | C18 |
| 1 | 100u | Capacitors_ThroughHole:Capacitor16x25RM7.5 | C5 |
| 1 | 14.7456MHz | HC-49V:HC-49V | X1 |
| 1 | 22u | Capacitors_ThroughHole:Capacitor10x16RM5 | C12 |
| 1 | 33 | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R37 |
| 1 | 4017 | Sockets_DIP:DIP-16__300 | U2 |
| 1 | 4051 | Sockets_DIP:DIP-16__300 | U3 |
| 1 | 470nH | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | L1 |
| 1 | 50 | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R41 |
| 1 | 5v | Pin_Headers:Pin_Header_Straight_1x02 | P1 |
| 1 | 700mA | Resistors_ThroughHole:Resistor_Vertical_RM5mm | F1 |
| 1 | ATMEGA8-P | Sockets_DIP:DIP-28__300 | IC1 |
| 1 | HD44780 | Pin_Headers:Pin_Header_Straight_1x16 | U1 |
| 1 | NPN | Housings_TO-92:TO-92-Free-molded-wide | Q5 |
| 1 | PI | Pin_Headers:Pin_Header_Straight_1x06 | P2 |
| 1 | RC1 | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R38 |
| 1 | RC2 | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R39 |
| 1 | SW_PUSH | Pin_Headers:Pin_Header_Straight_1x02 | SW1 |
| 1 | ULN2803 | Sockets_DIP:DIP-18__300 | U4 |
Questions
What parts does the Dwmb use?
120 parts, built around the ULN2803. 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 Dwmb KiCad files?
From the qweqq/dwmb repository on GitHub, at the commit this page was made from: the board is electronics/main/main.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Dwmb 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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