Reviews Pressure sensitive Voltage Switching

AWOLIMEI Car Heads Up Display C2, Obd2 Gauge Display with Speed, Water Temperature, Voltage, Fuel Consumption, Overspeed Alarm, Suitable for All Cars

...rature, air-fuel ratio , Turbo pressure, intake pressure, acceleration test, brake test, clear DTC, read data stream..
☸【GPS display function】Vehicle speed, travel time, satellite time, altitude, number of satellites, driving direction, single mileage, voltage, acceleration test, brake test..
☸【Multi-screen switching】：Unique and novel interface design, professional color adjustment, 9 colorful screens can be switched at will, you can choose the screen you want according to your needs..
☸【Security Alarm Function】：This HUD is equipped with 5 abnormal alarm functions. Overspeed alarm, speed alarm, high water temperature alarm, low voltage alarm, engine failure alarm. Let the driver have no worries while driving..
☸【After-sale service】Dear buyers If you encounter problems during the use of the product, you can contact us through Amazon, and we will serve you wholeheartedly. Please note: OBD2 mode working voltage: 5V~18VDC (12vdc/200mA), when the voltage is higher than 24v, please use a USB cable in GPS mode..

Using infrared reflective sensor TCRT5000.
TCRT5000 infrared reflection sensor, detecting reflection distance, suitable for 1mm~25mm, comparator output, clean signal, good waveform, strong driving ability, over 15mA, with potentiometer adjustment sensitivity.
IR Infrared Obstacle Avoidance Sensor Module TCRT5000 Photoelectric Switch Barrier Line Track Sensor Module for Smart Car w/Cable 3.3V-5V.
Easily Installation:Design with bolt holes for easy installation.Use wide voltage LM393 comparator,With potentiometer to adjust sensitivity.
Output form: digital switching output (0 and 1),Comparator output, clean signal, good waveform, strong drive capability, over 15mA.

【STABLE AND RELIABLE】It's an advance pressure transducer with precision compensation technology design, sensitive components, stable and reliable.
【5 DIFFERENT PRESSURE RANGES】5 different pressure ranges for you to choose, enough to meet your basic need.
【CONVENIENT TO INSTALL AND OPERATE】This pressure transmitter is light weight and small dimension, convenient to install and operate.
【COMPLETE SURGE VOLTAGE PROTECTION FUNCTION】This pressure transmitter has complete surge voltage protection function.
【WIDELY USED】Widely used in oil tank, gas tank and diesel tank to detect oil, fuel, diesel, gas, water or air pressure.

Temperature Rating: -30~125 degree Centigrade.
Max Switching Current: 0.5A ； Max Contact Resistance : 100m ohm.
Float Ball Size(Approx) : 2.3 x 1.7cm /0.9" x 0.67" (L*D).
The switch has the advantages of high sensitivity and durability. PP material is environmentally friendly and has excellent acid and alkali resistance..

Using the sensitive type photosensitive resistance sensor, high sensitive.
With adjustable potentiometer can adjust and detect the brightness of the light.
The output format: Digital switching output (0 and 1)..
Waveform of the comparator output signal is good,strong driving ability, for more than 5mA..
Applications: It is widely used in light intensity detected,light brightness sensors,smart car module..
Package Included:12 X Photosensitive Resistance Sensor Module.

The piezoelectric ceramic piece is sensitive to the sound wave vibration transmitted by the solid, and is not sensitive to the acoustic vibration of the gas, which can effectively reduce the environmental noise and avoid the whistling caused by the self-excitation. Can be used for guitar, erhu and other musical instruments..
Ultra-small volume dynamic microphone preamplifier board,two-channel design,suitable for a single lithium battery-powered,using AD828 fever op amp chip,suitable for low voltage power supply (3.8-15V).
If you only used one channel,the other channel needs to short-circuit the input with GND,To avoid interference with the signal crosstalk..
Working voltage:DC3.8V-15V.This microphone amplifier board without power regulator circuit,can only use the battery or linear power supply,can not use switching power supply,otherwise there will be interference..

Price For: Each Beam Angle: 15° Switching Voltage: 280VAC Output Current: 2.5A Sensor Body Material: ABS (Acrylonitrile Butadiene Styrene) Body Material: ABS Switching Current Max: 2.5A Switching Voltage Max: 280VAC.

Battery-free Stylus: does not require charging, 8192-level pen pressure sensitivity and 230 RPS is suitable for use with both right and left hand, and....
Set either of the pen button as one-click toggle between pen & eraser function at the Driver setting interface, which allows fast switching between....

10″ x 6” Active Area, 8192 Levels of Pressure Sensitivity.
Enjoy the 10” x 6” drawing area that allows increased precision and detail..
6 Customizable Shortcut Keys With Scroll Wheel.
Battery-Free Stylus The stylus works just like a real pen, no battery and no charging required!.
Specifications: Technology: Passive EMR Pen: Passive Pen Pen Buttons: 2 Pressure sensitivity: 8192 Levels Active Area Size: 10 x 5.625 Inch Resolution: 5080 LPI RPS: Max >= 200 Accuracy: + – 0.01 inch (center area) Hovering: 10mm Connector: USB Type C Scroll Wheel: 1 Hotkeys: 6 Light: Led x 1 Working Voltage: Wired, DC 5.0V Color: Black Material: Plastic Dimension: L 12.20 x W 8.93 x H 0.67 Inch ( L 310 x W 226.9 x H 17mm ) System: WINDOWS 10/8/7 Vista/XP , MAC OS X 10.6.8 and Up Supplied Contents: CYBERTABLET F10 x 1, Stylus Pen x 1, USB Type C Cable x1 Certificates: FCC, IC.