2 layers57 × 55.2 mm
LogicAnalyzer
gusmanb/logicanalyzer
24 channel, 100Msps logic analyzer hardware and software
10 parts5.1kGPL-3.0
2 layers
Continuity tester
tobycm/continuity-tester- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 10
- Nets
- 9
- Pads
- 25
- Tracks, vias
- 39, 2
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 25 Apr 2026
- Updated
- 25 Apr 2026
Overview
Continuity tester is an open-source printed circuit board by tobycm, from the tobycm/continuity-tester repository on GitHub. It is a 2-layer board with 10 parts on 9 nets, routed with 39 tracks and 2 vias.
Its parts include 4 resistors, 1 capacitor, 1 IC and 1 transistor.
Parts
10| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | TestPoint | TestPoint:TestPoint_Pad_D3.0mm | TP1, TP2 |
| 1 | 0.01uF | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C1 |
| 1 | 10 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R4 |
| 1 | 120k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R2 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1 |
| 1 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R3 |
| 1 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline_Wide | Q1 |
| 1 | LM555xM | tobycms-cursed:cursed flat 555 | U1 |
| 1 | Speaker | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | LS1 |
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Questions
What parts does the Continuity tester use?
10 parts. 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 Continuity tester KiCad files?
From the tobycm/continuity-tester repository on GitHub, at the commit this page was made from: the board is continuity-tester.kicad_pcb and its schematic continuity-tester.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Continuity tester design in my own project?
Its repository states no licence, so its author keeps all rights: ask tobycm before reusing the design.