PowerMeter
About the PowerMeter PCB
PowerMeter is an open source PCB design by richardhosking, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 71.1 × 108 mm, with 41 components from 19 distinct parts.
Other key parts include the AD8307, AP1117-50, AdafruitProTrinket3V3 and ADS1115Module. By type, the board carries 16 capacitors, 8 resistors, 5 ICs, 5 inductors, 4 connectors and 2 transformers.
From the project
KICAD files for power/SWR meter
Main components on the PowerMeter
PowerMeter bill of materials (BOM)
41 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | AD8307 | SO-8_3.9x4.9mm_P1.27mm | U1, U3 |
| 1 | AP1117-50 | SOT-223-3_TabPin2 | U2 |
| 1 | AdafruitProTrinket3V3 | AdafruitTrinketPro3V3 | U4 |
| 1 | ADS1115Module | ADS1115Module | U5 |
| 1 | Power | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Input | Pad | J2 |
| 1 | Antenna | Pad | J3 |
| 1 | Display | PinHeader_1x08_P2.54mm_Vertical | J4 |
| 2 | 1:24T | SWRVoltageTransformer | T1, T2 |
| 1 | 1N4001 | D_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D1 |
| 5 | 100uH | L_1206_3216Metric_Pad1.42x1.75mm_HandSolder | L1, L2, L3, L4, L5 |
| 9 | 100n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C2, C4, C6, C9, C10, C13, C14 +1 |
| 2 | 10u | CP_Elec_4x5.4 | C3, C8 |
| 4 | 1n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C5, C7, C11, C12 |
| 1 | 220u | CP_Elec_10x10 | C15 |
| 2 | 56R 1W | R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R1, R5 |
| 2 | 56R | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2, R6 |
| 2 | 510R 1W | R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R3, R4 |
| 2 | 4K7 | R_1206_3216Metric | R7, R8 |
PowerMeter design files
The KiCad project lives in the richardhosking/PowerMeterKICAD repository on GitHub; these links point at the commit this page was built from.
- LayoutPowerMeter/SWRBridge.kicad_pcb
- SchematicPowerMeter/SWRBridge.kicad_sch
PowerMeter: common questions
How big is the PowerMeter PCB?
The PowerMeter measures 71.1 × 108 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PowerMeter?
41 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the PowerMeter design files?
From the richardhosking/PowerMeterKICAD repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the PowerMeter design in my own project?
Yes, under the terms of its CC0-1.0 license, which richardhosking chose for the repository.