Proto Board Touch-Sensor Controller

Top view of the board with 3D rendering generated with Blender, see Import PCB 3D Models from KiCad:

Bottom view of the board and 3D rendering generated with Blender too:

AT42QT2120

Touch Sensor QTouch AT42QT2120: view pdf datasheet online

AT42QT2120 is a 10-channel capacitive touch sensor controller with I2C interface.

It is designed for applications such as buttons, sliders, and wheels.

AT42QT2120-SU = 20 pin 0.300 inch wide body SOIC package

Hole for Backlighting LED - page 13, see "Figure 3-2. Hole for Backlighting LED"

Example for AT42QT_API

Demo board QT1 XPLAINED PRO EXTENSION KIT

Part Number: ATQT1-XPRO

SAM D20 XPLAINED PRO EVALUATION KIT
Part Number: ATSAMD20-XPRO

---

SMD LED reverse mount

LED, Rouge, Vert jaune, CMS - Montage inversé, Rectangulaire, R 20mA, YG 20mA

• Farnell 2908898
• Rohm Datasheet

Package view	Reverse mount available, 2-color LED (Yellow-green/Red)
	Part Number: SML-822MV8WT86 SML-82 series is a two-color LED chip LED for back-mounting. Rear mounting enables single-sided mounting, contributing to space saving in the mounting area.

---

Driver de LED DC/DC

PCA9635PW,118

LED-Driver-PCA9635

Code Commande Farnell : 1854073 Quantité 1, Prix (TVA incluse) 2,760€ Driver LED, Bus I2C, Isolé, 16 bits, 1MHz, Sortie 5,5V/25mA, Entrée 2,3V à 5,5V https://fr.aliexpress.com/item/33038992925.html https://www.nxp.com/docs/en/data-sheet/PCA9635.pdf

Breakout PCA9685PW module Servomotor Shield on Aliexpress