

CapLevelSensorAD
Capicatance Meter based on AD7151
- Size
- 38.6 × 23.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 13
- Pads
- 44
- Tracks, vias
- 92, 8
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Aug 2021
- Updated
- 5 Aug 2022
Overview
CapLevelSensorAD is an open-source printed circuit board by bungernut, from the bungernut/XeCapLevelMeter repository on GitHub. It is a 2-layer board of 38.6 × 23.4 mm with 18 parts on 13 nets, routed with 92 tracks and 8 vias.
Its parts include 5 capacitors, 5 resistors, 3 connectors and 1 IC.
README
README.mdXeCapLevelMeter
This is a demo board and Arduino code for the AD7151 chip: https://www.analog.com/en/products/ad7151.html
The board is purchasable from OSHPark https://oshpark.com/shared_projects/RMe6ks9J

The arduino code is based on a Teensy 4.1 with Ethernet serving the data over modbus. This is still in development and should be expected to be buggy right now.
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R3, R4, R5 |
| 1 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2 |
| 1 | 1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1 |
| 1 | 22pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C4 |
| 1 | 39k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 1 | 47pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C5 |
| 1 | 68pF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C3 |
| 1 | 82k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2 |
| 1 | AD7151 | Package_SO:MSOP-10_3x3mm_P0.5mm | U1 |
| 1 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | Conn_01x04_Male | CapLevelSensorAD:Amphenol Anytech YO 3.81mm 4p | J3 |
The 14 most common of 18 parts.
Questions
How big is the CapLevelSensorAD PCB?
It measures 38.6 × 23.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CapLevelSensorAD use?
18 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 CapLevelSensorAD KiCad files?
From the bungernut/XeCapLevelMeter repository on GitHub, at the commit this page was made from: the board is PCB/CapLevelSensorAD/CapLevelSensorAD.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the CapLevelSensorAD design in my own project?
Its repository states no licence, so its author keeps all rights: ask bungernut before reusing the design.
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