Drawdio
About the Drawdio PCB
Drawdio is an open source PCB design by UC3Music, published on GitHub. It is a 2-layer board measuring 90.8 × 22.9 mm, with 18 components from 14 distinct parts.
Other key parts include the NE555. By type, the board carries 4 transistors, 4 connectors, 4 capacitors, 4 resistors, 1 IC and 1 battery holder.
It belongs with the audio designs in this gallery.
From the project
UC3Music version of the Drawdio, originally designed by Jay Silver
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)
Main components on the Drawdio
Drawdio bill of materials (BOM)
18 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NE555 | DIP8+SOIC8_2 | U1 |
| 2 | BC558 | TO-92_SOT23_JorFru_compact | Q1, Q3 |
| 2 | BC547 | TO-92_SOT23_JorFru_compact | Q2, Q4 |
| 1 | Jack | jack_barato | J1 |
| 1 | CON1 | Drawdio_conn | P1 |
| 1 | CON2 | Drawdio_conn | P2 |
| 1 | SPK | RS_mini_speaker_724-3100 | P4 |
| 1 | BATTERY | AAA_cell_holder | BT1 |
| 2 | 470uF | Elko_vert_11.2x6.3mm_RM2.5 | C1, C4 |
| 1 | 0.1uF | Resistor_SMD+THT | C2 |
| 1 | 680pF | Resistor_SMD+THT | C3 |
| 1 | 330K | Resistor_SMD+THT | R1 |
| 1 | 10K | Resistor_SMD+THT | R2 |
| 2 | 1K | Resistor_SMD+THT | R3, R4 |
Drawdio design files
The KiCad project lives in the UC3Music/drawdio repository on GitHub; these links point at the commit this page was built from.
Drawdio: common questions
How big is the Drawdio PCB?
The Drawdio measures 90.8 × 22.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Drawdio?
18 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Drawdio design files?
From the UC3Music/drawdio repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Drawdio design in my own project?
The repository has no license, so all rights stay with UC3Music. Use it as a reference, and ask the author before reusing the design.
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