Particle

BOB-12009

ON-OFF Switch

Soil Moisture Sensor with Analog and Digital out for 3.3v and 5v Systems

Low-cost digital temperature and humidity sensor

Low-cost digital temperature and humidity sensor Breakout

Tilt Switch Angle sensor Module for Raspberry Pi and Arduino.

SS49E ( 49E ) Linear Hall Effect Sensor Module 

High sensitive passive infrared(PIR) motion sensor with stable digital output

Touch detection module with toggle and ON/OFF Mode

AX-1838HS

The photon is a tiny and beautiful WiFi development kit.

Wired Door/Window Magnetic Switch set - Normally open

Actuator Height From PCB - 7mm

Adafruit Product ID: 393

PRODUCT ID: 3996

PRODUCT ID: 4001

PRODUCT ID: 4003