Best Pressure sensitive Voltage Switching

Microphone Sound Module for Arduino

Alinan 10pcs High Sensitivity Sound Microphone Sensor Detection Module for AVR PIC

• 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.

Psi Pressure Transducer 4-20mA Output G1/4\ Silicon Pressure Transmitter Transducer for Water Gas Oil (0-1MPA)

• 【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.

mxuteuk 2 Pcs Side Mounted Horizontal Liquid Float Switch Water Level Sensor Black for Aquariums Tank DPL-1-BK

• 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..

AITIAO 3Pcs GY-530 VL53L0X Laser Ranging Sensor Module GY-530 VL53L0X Time-of-Flight (ToF) Laser Distance Sensor 2.8-5V I2C IIC Interface Communication

• 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.

Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp 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..

COMUS PD5005-7TC TILT/Motion Sensor

• 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.

XP-Pen Star03 10x6 inch Graphics Pen Tablet Drawing Tablet Signature Painting Board with Battery-Free Grip Pen & 8 Hot Keys Compatible with Windows 7/8/10 Mac Black

• 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....

CYBERTABLET K10 10″ x 6″ Graphic Tablet

• 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.

Superior Pump 99006 Garden Hose Adapter, FIP to 3/4\ MIP, Black

• The float switch can be installed at the top or bottom of the tank, depending on whether you want to detect water rising or falling..
• Floating ball switch is a kind of liquid level control device with simple structure and convenient use. It has the advantages of small volume and long working life compared with general mechanical switch. When selecting the right material, any kind of liquid, pressure and temperature can be used..
• Widely Applications: For tank / pump water level control.
• Used for water level control of household appliances.
• Used for water level control of swimming pool, fountain, pond, etc..
• Please Note : Float switch can not directly control solenoid valve or high power relay, AC contactor, etc. Small relays are required to transition..

Mophorn 500VA Variable Transformer 110V 60Hz Input Voltage Digital Display 0-130V Output Automatic Voltage Regulator for US Plug…

• High Quality Cooper Coil: The voltage transformer is constructed with built-in copper coil for durability and high efficiency..
• AC Power Supply Adjustable: This is a brand new variable transformer. Input is single phase 110V AC, 60 Hz, output voltage can be adjusted from 0 to 130V AC. Maximum power rating is 500VA..
• Compact & High Accuracy: Featuring clear voltage output meter, and precise metal pressure gauge, the variable transformer is designed with high grade accuracy and compact for easy transport..
• Security Protection: Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections..
• Wide Application: Widely used for motor speed control, label printing machine, labs, test for railroad switching, power supplies, satellite, equipment, telecommunication equipment, etc..

Mophorn Variable Transformer 2000VA 110V 60Hz Varic 0-230 Volt Adjustable Output Variable AC Voltage Regulator with Universal Plug Hole

• Built-In Cooper Coil: The voltage transformer is constructed with built-in copper coil for durability and high efficiency. More secure and durable and with no waveform distortion..
• AC Power Supply Adjustable: This is a brand new variable power supply. Input is single phase 110V AC, 60 Hz, output voltage can be adjusted from 0 to 130V AC. Maximum power rating is 2000 VA..
• Compact & High Accuracy: Featuring clear voltage output meter, and precise metal pressure gauge, the ac power supply is designed with high grade accuracy and compact for easy transport..
• 5 Security Protections: Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections..
• Wide Application: Widely used for motor speed control, label printing machine, labs, test for railroad switching, power supplies, satellite, equipment, telecommunication equipment, etc..

Melasta 3500mWh Rechargeable AA Lithium Batteries with Charger, 1.5V Constant Voltage High Power Li-ion Battery

• 3500mWh High Capacity: Higher power capacity than most batteries of the same kind, brings more operating time for power hungry devices, lets you spend less time on recharging and switching batteries..
• 1.5V Constant Voltage: Higher voltage than regular 1.2V batteries makes it ideal for voltage sensitive devices. 1.5V constant output from the beginning to the end of every discharging cycle, guarantee high performance for devices that requires a steady connection, such as VR controllers, wireless game controllers and other critical devices..
• Fast Charging USB Charger: Designed specifically for Melasta Li-ion battery, can charge up 4 AA or AAA batteries in just 2-2.5 hours. Has a standard USB power input that can connect with any USB wall charger, power bank, laptop and desktop PCs. Note: 5V 2A power supply required..
• Superiority in Longevity: Made with premium Li-ion cells, these batteries can be recharged for up to 1000 times making it sustainable for years of use..
• Integrated Protection: Built in with safety protection chip that regulates battery voltage and current to avoid possible malfunction caused by short circuit, over-charge or discharge, over-voltage and over-heating..