Grove - Touch Sensor
Grove capacitive touch sensor that detects finger proximity via a conductive metal pad, outputting a digital signal. Uses the same technology as smartphone capacitive touchscreens.
Pinout
- SIGgrove-1
Grove Touch Sensor signal output; Seeed wiki connects the module to digital port D2 and reads digitalRead on SIG
Type · digital output - NCgrove-2
not connected on the Grove connector; Seeed wiki code comment lists SIG,NC,VCC,GND
Type · not connected - VCCgrove-3
Grove connector supply rail for the TTP223 touch sensor module
Type · power - GNDgrove-4
Grove connector ground
Type · groundVoltage · 0V
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VCC, GND. Schematik maps them to your board in the app.
Touch
13 other optionsMPR121, CAP1188, CAP1203 Qwiic slider and AT42QT breakouts are sensor ICs for electrodes you wire yourself. Simple single-pad modules like the TTP223B give you one digital output with no bus required.
Related groups
4 groups
SparkFun Rotary Switch Potentiometer Breakout visual preview
Potentiometer Wiper/Plunger - 14mm visual preview
Momentary Pushbutton Switch visual preview
12mm Domed Push Button Pack visual previewButtons & switches
Most parts here are simple contacts: press or release, open or closed. A few outliers — rotary switch potentiometer breakouts, NeoPixel potentiometers, wiper plungers — carry separate wiring requirements worth checking before you order.
Input & controls · Buttons & switches · 106 parts
4x4 Matrix Keypad visual preview
Adafruit PC Joystick to seesaw I2C Adapter visual preview
Adafruit Trellis Monochrome Driver PCB for 4x4 Keypad & 3mm LEDs visual preview
Adafruit UNTZtrument 16x8 Grid Controller visual previewKeypads
Matrix keypads, analog ADKey boards, I2C keypad controllers, joysticks, and finished USB-HID keyboards are all here. Pin budget and simultaneous-press requirements are the splits that matter.
Input & controls · Keypads & controllers · 37 parts
Adafruit ANO Rotary Navigation Encoder to I2C STEMMA QT Adapter visual preview
Adafruit DS1841 I2C Digital 10K Potentiometer Breakout visual preview
Adafruit DS3502 I2C Digital 10K Potentiometer Breakout visual preview
ANO Directional Navigation and Scroll Wheel Rotary Encoder visual previewEncoders
Bare EC11 quadrature encoders, I2C navigation encoders, absolute AS5600 and 8421 encoders, slide and ribbon potentiometers, and digital I2C pots — covering most ways to read angular or linear position.
Input & controls · Rotary encoders · 27 parts
1.75mm PLA (1kg) - Black visual preview
1.75mm PLA (1kg) - Gold visual preview
1.75mm PLA (1kg) - Green visual preview
1.75mm PLA (1kg) - Natural visual preview3D printing
DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.
Tools & prototyping · 3D printing · 53 parts
