SW-Meter
About the SW-Meter PCB
SW-Meter is an open source PCB design by wodowiesel, published on GitHub under the CERN-OHL-W-2.0 license. It is a 2-layer board measuring 53 × 66 mm, with 16 components from 13 distinct parts.
Other key parts include the LM3914N. By type, the board carries 5 connectors, 3 switches, 1 IC, 1 diode, 1 capacitor and 1 resistor.
It belongs with the rf & radio and test & measurement designs in this gallery.
From the project
Custom PCB design of an external S-&Watt-Meter for radios. Useful for all enthusiasts and amateur HAM operators.
Custom PCB design of an external S-&Watt-Meter for radios. Useful for all radio enthusiasts and amateur HAM operators.
This is still "work-in-progress (WIP)" so I do NOT take any kind of warranty/responsibility for damages or data losses!
You can use this at your own risk without any guarantees and put device on non-conductive surface or enclosure!
If you like the new design you are free to share it!
Main components on the SW-Meter
SW-Meter bill of materials (BOM)
16 components, 13 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM3914N | DIP-18_W7.62mm_Socket | U1 |
| 1 | CONN_01X02_FEMALE Conn_01x02_Female | PinHeader_1x02_P2.54mm_Vertical | J0 |
| 1 | AudioPlug | Jack_3.5mm_Lumberg_1503_07_Horizontal | J1 |
| 1 | Conn_Coaxial | BNC_TEConnectivity_1478035_Horizontal | J2 |
| 2 | CONN_01X03_FEMALE Conn_01x03_Female | PinHeader_1x03_P2.54mm_Vertical | J3, J4 |
| 1 | 2510SR-1 | HDSP-4836 | BAR1 |
| 2 | 4,7kΩ | Potentiometer_Bourns_3266Y_Vertical | RV1, RV2 |
| 1 | 1,2kΩ | Potentiometer_Bourns_3266Y_Vertical | RV3 |
| 2 | SW_SPDT | SW_E-Switch_EG1224_SPDT_Angled | SW1, SW2 |
| 1 | SW_DIP_X03 SW_DIP_x03 | SW_DIP_SPSTx03_Slide_9.78x9.8mm_W7.62mm_P2.54mm | SW3 |
| 1 | 1N5711 | D_DO-35_SOD27_P7.62mm_Horizontal | D0 |
| 1 | 22 µF | CP_Radial_D4.0mm_P2.00mm | C1 |
| 1 | 330Ω | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
SW-Meter design files
The KiCad project lives in the wodowiesel/SW-Meter repository on GitHub; these links point at the commit this page was built from.
- Layoutpcb/swmeter.kicad_pcb
- Schematicpcb/swmeter.kicad_sch
- BOMpcb/gbr/bom.csv
SW-Meter: common questions
How big is the SW-Meter PCB?
The SW-Meter measures 53 × 66 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SW-Meter?
16 components, from 13 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the SW-Meter design files?
From the wodowiesel/SW-Meter repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the SW-Meter design in my own project?
Yes, under the terms of its CERN-OHL-W-2.0 license, which wodowiesel chose for the repository.
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