4 layers24 × 27.3 mm
Aaronjamt Framework IR Module
hackclub/OnBoard
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39 parts915
4 layers18 × 20 mm
Locator capacitive sensor module
arithmetics-ITS/FDC2X1X-Capacitive-Sensor4FDC2212, 2-Ch, 28-bit, Capacitance-to-Digital Converter Breakout Board. Designed in KiCAD
- Size
- 18 × 20 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 39
- Nets
- 19
- Pads
- 113
- Tracks, vias
- 228, 28
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 22 Feb 2021
- Updated
- 16 Sep 2021
Overview
Locator capacitive sensor module is an open-source printed circuit board by arithmetics-ITS, from the arithmetics-ITS/FDC2X1X-Capacitive-Sensor repository on GitHub, published under the Apache-2.0 licence. It is a 4-layer board of 18 × 20 mm with 39 parts on 19 nets, routed with 228 tracks and 28 vias.
It is built around the FDC2212DNTT. Its parts include 16 capacitors, 6 resistors, 3 connectors, 2 ICs and 2 inductors. It belongs with the sensors and measurement boards of this library.
Main components
1README
README.mdBreakout Board: FDC2212 EMI-Resistant 28-Bit Capacitance-to-Digital Converter for Proximity and Level Sensing Application
Description
Capacitive sensing is a low-power, low-cost, high-resolution contactless sensing technique that can be applied to a variety of applications ranging from proximity detection and gesture recognition to remote liquid level sensing. The sensor in a capacitive sensing system is any metal or conductor, allowing for low cost and highly flexible system design. The main challenge limiting sensitivity in capacitive sensing applications is noise susceptibility of the sensors. With the FDC2x1x innovative EMI resistant architecture, performance can be maintained even in presence of high-noise environments.
The FDC2x1x is a multi-channel family of noise-and EMI-resistant, high-resolution, high-speed capacitance-to-digital converters for implementing capacitive sensing solutions. The devices employ an innovative narrow-band based architecture to offer high rejection of noise and interferers while providing high resolution at highspeed. The devices support a wide excitation frequency range, offering flexibility in system design. A wide frequency range is especially useful for reliable sensing of conductive liquids such as detergent, soap, and ink.
Features
- Texas Instruments FDC2212
- CTS Model 625 - 40MHz ultra-low voltage clock oscillator
- SiP3243 - Ultra Low Leakage Load Switch
Parts
39| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 18pF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C6, C8, C9, C10, C11 |
| 5 | 0R | Resistor_SMD:R_0201_0603Metric | JP1, JP2, JP3, JP4, JP5 |
| 4 | 0R | Resistor_SMD:R_0603_1608Metric | R4, R5, R6, R7 |
| 2 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C2, C16 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R2, R3 |
| 2 | 18uH | Inductor_SMD:L_1210_3225Metric | L1, L2 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C15 |
| 2 | 33pF | Capacitor_SMD:C_0603_1608Metric | C7, C12 |
| 2 | GND | TestPoint:TestPoint_Pad_D2.0mm | TP2, TP4 |
| 1 | 0.01uF | Capacitor_SMD:C_0402_1005Metric | C13 |
| 1 | 0.01uF | Capacitor_SMD:C_0603_1608Metric | C14 |
| 1 | FDC2112_Module_DIP | Locator_Footprints:Capacitive_Sensor_Module_Footprint_2 | J1 |
| 1 | FDC2212DNTT | Locator_Footprints:FDC2112-Q1 | U1 |
| 1 | GND | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | SIP32432DR3 | Locator_Footprints:SIP32432DR3 | U2 |
| 1 | Sensor 1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | P1 |
| 1 | Sensor 2 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | P2 |
| 1 | Val** | Locator_Footprints:625L3C040M00000 | Y1 |
| 1 | arithmetics_logo_2400DPI | arithmetics_logos:logo_2400_DPI | ICO1 |
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Questions
How big is the Locator capacitive sensor module PCB?
It measures 18 × 20 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Locator capacitive sensor module use?
39 parts, built around the FDC2212DNTT. 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 Locator capacitive sensor module KiCad files?
From the arithmetics-ITS/FDC2X1X-Capacitive-Sensor repository on GitHub, at the commit this page was made from: the board is locator-capacitive-sensor-module.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Locator capacitive sensor module design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).