piezo switch for sale, brand-new and used.

The listing includes everything you see in the picture with few exceptions. It includes:Nikon Diaphot 300 complete with Hoffman Modulation optics (10X, 20X, 40X) and condenser with each slit aperture installed. A 4X objective is also included and two 10X eyepieces.

Pixhawk PX4 Autopilot PIX 2.4.6 32 Bit ARM Flight Controller For RC Multicopter Description: - Improvement on board integrated PX4FMU + PX4IO - add the PWM to the PPM module based on the original version of the 3DR - V2.4.6 PCB board - Redeveloped and optimized circuit without changing components - Could use Official MissionPlanner, ECLIPSE firmware upgrade Features: - 168 MHz / 252 MIPS Cortex-M4F - 14 PWM / Servo outputs (8 with failsafe and manual override, 6 auxiliary, high-power compatibl

Kantech T.REX.XL2BLK Request to Exit Detector Black T.Rex request-to-exit detector with tamper, piezoelectric buzzer, timer and 2 relays, black Item Description: XL2 Request to Exit Detector, Black Manufacturer: Kantech Model Number: XL2 Part Number: T.REX.XL2BLK

Description: Color LCD Electronic Visual Stethoscope+SpO2+ECG Model: RM-VESD Introduction Integrated with functions of electronic stethoscope, ECG and pulse oximeter, this visual electronic stethoscope applies the latest sensor technology to monitor human heart sound and lung sound with adjusted volume control, and it also adds func