CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203
CoreElectronics·CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203·PCB/PiicoDev Capacitive Touch Sensor CAP1203.kicad_pcb
About the CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 PCB
CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 is an open source PCB design by CoreElectronics, published on GitHub under the MIT license. It is a 2-layer board measuring 25.4 × 52 mm, with 24 components from 15 distinct parts.
Other key parts include the CAP1203. By type, the board carries 8 connectors, 5 resistors, 2 diodes, 2 capacitors and 1 IC.
It belongs with the sensors and dev boards & breakouts designs in this gallery.
From the project
PiicoDev Capacitive Touch Sensor CAP1203
This is the repo for the Core Electronics PiicoDev Capacitive Touch Sensor CAP1203.
The PiicoDev® Capacitive Touch Sensor gives your project three touch pads to use as inputs. This is an effective way to introduce control inputs to your project. Get creative and use other items as touch plates using PCB headers or the alligator clip connection holes.
- 3 Capacitive Touch Sensor inputs - Supports simultaneous touch events - Programmable sensitivity - Automatically calibrates at powerup - Activity LED shows interrupt events - PiicoDev connector, compatible with Qwiic and STEMMA QT (3.3V only)…

Main components on the CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203
CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 bill of materials (BOM)
24 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CAP1203 | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 2 | — | JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | J1, J2 |
| 1 | Conn_PiicoDev_header_01x04_Male | PiicoDev_header_4pin | J3 |
| 1 | Conn_01x01_Male | PiicoDev_header_1pin_INT_inverted | J4 |
| 1 | Conn_01x03_Male | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 3 | Conn_01x01_Male | Conn_alligator | J11, J12, J13 |
| 2 | S1 | Label_S1_Reverse | G4, G5 |
| 2 | S2 | Label_S2_Reverse | G6, G7 |
| 2 | S3 | Label_S3_Reverse | G8, G9 |
| 1 | LED | LED_0603_1608Metric | D1 |
| 1 | LED | LED_1206_3216Metric_ReverseMount_Hole1.8x2.4mm | D2 |
| 1 | 0.1uF | C_0402_1005Metric | C1 |
| 1 | 1uF | C_0402_1005Metric | C2 |
| 4 | 10k | R_0402_1005Metric | R1, R2, R3, R4 |
| 1 | 1k | R_0402_1005Metric | R5 |
CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 design files
The KiCad project lives in the CoreElectronics/CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 repository on GitHub; these links point at the commit this page was built from.
CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203: common questions
How big is the CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 PCB?
The CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 measures 25.4 × 52 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203?
24 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 design files?
From the CoreElectronics/CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the CE-PiicoDev-Capacitive-Touch-Sensor-CAP1203 design in my own project?
Yes, under the terms of its MIT license, which CoreElectronics chose for the repository.
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