2 layers110 × 50 mm
2 layers90.8 × 22.9 mm
Drawdio
UC3Music/drawdio15UC3Music version of the Drawdio, originally designed by Jay Silver
- Size
- 90.8 × 22.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 30
- Nets
- 13
- Pads
- 91
- Tracks, vias
- 132, 4
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 22 Apr 2015
- Updated
- 4 Dec 2018
Overview
Drawdio is an open-source printed circuit board by UC3Music, from the UC3Music/drawdio repository on GitHub. It is a 2-layer board of 90.8 × 22.9 mm with 30 parts on 13 nets, routed with 132 tracks and 4 vias.
It is built around the NE555, BC547 and BC558. Its parts include 4 capacitors, 4 resistors, 4 transistors, 4 connectors and 1 IC. It belongs with the audio and music boards of this library.
Main components
3
NE555
SOP-8-20℃~+70℃ 1 1.5mA 200mA 4.5V~15V Adjustable duty cycle oscillation、Reset function、Duty cycle stabilization SOP-8 555 Timers / Counters ROHSGRTimers / Counters
BC547
TO-92Bipolar (BJT)Jiangsu Changjing Electronics Technology (CJ)BC558
TO-921 PNP 100mA 100nA 150MHz 30V 500mW 5V 800 90mV、250mV PNP TO-92 Bipolar (BJT) ROHSDDFBipolar (BJT)
README
README.mdDrawdio
UC3Music version of Drawdio, originally designed by Jay Silver
Double side copper board, big and spacy pads (ready for first-time soldering)
Uc3Music's enchancement: New output stage to provide twice output voltage and raise volume.
Versión UC3Music del Drawdio, diseñado originalmente por Jay Silver
PCB de doble cara, pads grandes y espaciados (facil de soldar por noveles)
Mejora de UC3Music: nueva etapa de salida que proporciona el doble de voltaje de salida para conseguir más volumen de salida.
Parts
30| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 1K | drawdio:Resistor_SMD+THT | R3, R4 |
| 2 | 470uF | Capacitors_Elko_ThroughHole:Elko_vert_11.2x6.3mm_RM2.5 | C1, C4 |
| 2 | BC547 | drawdio:TO-92_SOT23_JorFru_compact | Q2, Q4 |
| 2 | BC558 | drawdio:TO-92_SOT23_JorFru_compact | Q1, Q3 |
| 2 | LOGO | uc3music_logos:logo_pick_6x6mm | G***, G*** |
| 1 | 0.1uF | drawdio:Resistor_SMD+THT | C2 |
| 1 | 10K | drawdio:Resistor_SMD+THT | R2 |
| 1 | 330K | drawdio:Resistor_SMD+THT | R1 |
| 1 | 680pF | drawdio:Resistor_SMD+THT | C3 |
| 1 | BATTERY | drawdio:AAA_cell_holder | BT1 |
| 1 | CON1 | drawdio:Drawdio_conn | P1 |
| 1 | CON2 | drawdio:Drawdio_conn | P2 |
| 1 | Jack | drawdio:jack_barato | J1 |
| 1 | LOGO | uc3music_logos:logo_text_76x13mm | G*** |
| 1 | LOGO | uc3music_logos:logo_pick_15x15mm | G*** |
| 1 | LOGO | uc3music_logos:logo_guitar_22.5x7.7mm | G*** |
| 1 | LOGO | Fiducials:Fiducial_1mm_Dia_2.54mm_Outer_CopperTop | SPK |
| 1 | NE555 | KiCad_Files:DIP8+SOIC8_2 | U1 |
| 1 | OSHW-logo | def-footprints:Logo_OSHW_small | G*** |
| 1 | PWR_SW | drawdio:PWR_SW_Drawdio_SS-12D00(1P2T) | ON/OFF |
| 1 | SPK | drawdio:RS_mini_speaker_724-3100 | P4 |
The 26 most common of 30 parts.
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Questions
How big is the Drawdio PCB?
It measures 90.8 × 22.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Drawdio use?
30 parts, built around the NE555, BC547 and BC558. 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 Drawdio KiCad files?
From the UC3Music/drawdio repository on GitHub, at the commit this page was made from: the board is KiCad files/drawdio.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Drawdio design in my own project?
Its repository states no licence, so its author keeps all rights: ask UC3Music before reusing the design.