CONTACT & PROXIMITY SENSORS
ACTUONIX
BARE CONDUCTIVE
DFROBOT
ELECFREAKS
INTERLINK ELECTRONICS
LINKSPRITE
MODERN ROBOTICS
NEXUS ROBOT
PARALLAX
PHIDGETS
PIMORONI
POLOLU
PROGRESSIVE AUTOMATIONS
SERVOCITY
SPARKFUN ELECTRONICS
WHADDA
Actuonix
LATCHING_SWITCH_KIT
Bare Conductive
SKU-5013
SKU-5303
Touch Board w/ Paintable Sensors
DFRobot
FIT0156
FIT0213
ELECFreaks
Limit Switch ME-8108
Interlink Electronics
Circular Touch Sensor
Linksprite
Linker Button Module for pcDuino/Arduino
Modern Robotics
45-2007
Nexus Robot
20016
Parallax
27800
Phidgets
1129
Pimoroni
PIM573
Pololu
2808
Progressive Automations
Joystick Momentary Switch
Limit Switch for Linear Actuators
ServoCity
605612
Sparkfun Electronics
COM-09182
COM-11996
COM-14662
COM-16273
KIT-18448
PRT-14460
SEN-14520
SEN-14709
Whadda
WPM327
WPSE305
WPSE476