2 layers108.9 × 110.5 mm
Manual gate trigger source
moPsy-project/manual-gate-trigger-source
Eurorack Module for a manual gate/trigger source
115 parts3CC-BY-SA-4.0
2 layers42.5 × 54 mm
Eurorack Module for a manual gate/trigger source
- Size
- 42.5 × 54 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 21
- Pads
- 82
- Tracks, vias
- 97, 23
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 17 Dec 2022
- Updated
- 6 Jun 2023
Overview
Testboard is an open-source printed circuit board by moPsy-project, from the moPsy-project/manual-gate-trigger-source repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 42.5 × 54 mm with 34 parts on 21 nets, routed with 97 tracks and 23 vias.
It is built around the BC547. Its parts include 10 resistors, 7 capacitors, 5 connectors, 2 switches and 1 IC. It belongs with the audio and music boards of this library.
Main components
1README
Testboard/README.mdTestboard
Testboard for the Eurorack Module for a manual gate/trigger source
As described in #53, buttons do not always trigger reliably after a cold start, i.e. a longer period without power.
This happens on all buttons, but only in the finished circuit. The effect could not be observed on the breadboard and is therefore hard to debug.
This board contains only one trigger and some testpoints.
It is meant to be connected to the Eurorack Power Breakout.
Dependencies
This project uses symbols from the moPsy-KiCad-resources.
License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
BY: Stefan Haun (mail@tuxathome.de)
See LICENSE.txt for details.
Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100n | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C3, C5, C6, C7 |
| 3 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4, R8 |
| 2 | 10n | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C2, C4 |
| 2 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R9, R10 |
| 2 | 2k2 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R7 |
| 2 | Out | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3, J4 |
| 1 | 100R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | 1M | Potentiometer_THT:Potentiometer_Piher_PT-10-V10_Vertical | RV1 |
| 1 | 470R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6 |
| 1 | 4k7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5 |
| 1 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | GND | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP0 |
| 1 | IN | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP1 |
| 1 | LM555xN | Package_DIP:DIP-8_W7.62mm | U1 |
| 1 | ON/ON | moPsy:PB_Hor_7x7_2pole_2.5mm | SW2 |
| 1 | OUT | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP5 |
| 1 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1 |
| 1 | TR | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP3 |
| 1 | TRIGGER_IN | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP2 |
| 1 | TRIGGER_OUT | TestPoint:TestPoint_Loop_D1.80mm_Drill1.0mm_Beaded | TP4 |
| 1 | V_{drive} | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | lower | Connector_PinSocket_2.54mm:PinSocket_2x02_P2.54mm_Vertical | J2 |
| 1 | rt | LED_THT:LED_D3.0mm | D1 |
| 1 | upper | Connector_PinSocket_2.54mm:PinSocket_2x02_P2.54mm_Vertical | J1 |
Questions
How big is the Testboard PCB?
It measures 42.5 × 54 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Testboard use?
34 parts, built around the BC547. 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 Testboard KiCad files?
From the moPsy-project/manual-gate-trigger-source repository on GitHub, at the commit this page was made from: the board is Testboard/testboard.kicad_pcb and its schematic PCB/cv_input.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Testboard design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 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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