2 layers81.3 × 99.1 mm
2 layers49.8 × 99.8 mm
- Size
- 49.8 × 99.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 49
- Pads
- 166
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 5 (file 20171130)
- Created
- 13 Jun 2019
- Updated
- 27 Jun 2019
Overview
Useq is an open-source printed circuit board by blthree, from the blthree/synth_schematics repository on GitHub. It is a 2-layer board of 49.8 × 99.8 mm with 28 parts on 49 nets.
It is built around the LM358. Its parts include 7 resistors, 7 connectors, 5 capacitors, 4 ICs and 3 transistors. It belongs with the ESP32 boards of this library.
Main components
1README
README.mdView this project on CADLAB.io.
synth_schematics
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uF | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C2, C3, C4, C5 |
| 4 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R2, R3, R6, R7 |
| 3 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2, Q3 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R1, R4 |
| 2 | Conn_01x20_Female | Connector_PinSocket_2.54mm:PinSocket_1x20_P2.54mm_Vertical | J2, J3 |
| 1 | 100uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 2.74k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R5 |
| 1 | Clock In | Connector_Audio:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J5 |
| 1 | ESP32_THING_W_ANT_KEEPOUT | sparkfun:ESP32_THING | B1 |
| 1 | EuroPower | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J1 |
| 1 | Gate Out | Connector_Audio:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 1 | LED_ALT | LED_THT:LED_D5.0mm | D1 |
| 1 | LM358 | Package_DIP:DIP-8_W7.62mm_Socket | U1 |
| 1 | LM4040LP-4.1 | Package_TO_SOT_THT:TO-92_Inline | U3 |
| 1 | LM7805_TO220 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U2 |
| 1 | MCP4922-EP | Package_DIP:DIP-14_W7.62mm_Socket | U4 |
| 1 | OutA | Connector_Audio:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J6 |
| 1 | OutB | Connector_Audio:Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J7 |
Questions
How big is the Useq PCB?
It measures 49.8 × 99.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Useq use?
28 parts, built around the LM358. 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 Useq KiCad files?
From the blthree/synth_schematics repository on GitHub, at the commit this page was made from: the board is useq/useq.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Useq design in my own project?
Its repository states no licence, so its author keeps all rights: ask blthree before reusing the design.
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