Ball switch - can be used as a angle or vibration sensor

3-Axis gyroscope, accelerometer and temperature sensor based on the MPU-6050 I2C Communication Supply voltage 3 - 5 V straight and angled header included This product has been tested

HC-SR04 Ultrasonic sensor - Ranging sensor (2 cm - 4.5 m) Pin 1 - VCC 5 V Pin 2 - Trigger Pin 3 - Echo Pin 4 - Ground This product has been tested

HC-SR501 PIR motion sensor Adjustable sensitivity and switch-off delay Operating voltage 5 - 20 V Output voltage 3.3 V Range 120 degrees, max 7 meter Delay up to ± 5 min This product has been tested

Proximity switch (also called proximity sensor) that can detect metal objects up to a distance of 4 mm. With LED indication Specifications Supply voltage: 6-36 V DC Thread: M12 Measuring distance: < 4 mm Output: NPN NO/NC (Normally Open/Normally Closed) max 300 mA Connections Brown: +6-36 VDC Blue: GND Black: LOW when metal is detected) White: HIGH when metal is detected) This product has been tested

Can be used as a alternative for a PIR-sensor Detects movement with the use of micro-waves PIN Description 1 3.3 V 2 GND 3 OUT (High 3.3 V Low 0 V) 4 Vin (4 ... 28 V) 5 CDS (can be used with optional LDR) Header not included

Can detect objects up to 15 mm by reflecting infrared light Can also be used as a line tracking sensor. Supply voltage 3.3 - 5 V Analog and digital output (with adjustable treshold) This product has been tested