MAX30100 Pulse Oximeter Heart Rate Sensor Module Compatible for Arduino
1.8V ? 5.5V is its operating voltages.
The heart sensor module brand is MAX30100.
The Digital is its Output type.
the working principle of this sensor is Biosensor.
this is a pressure-sensitive and force-sensitive sensor.
The polymer is its material texture.
I2C is Its interface type.
18.8 x 14.4 3 mm is the dimensions of the Heart sensor module.
Heart Sensor weight is 1.2g.
KY-039 5V Finger Detection Heartbeat Sensor Module Detector For Arduino
1.This project uses bright infrared (IR) LED and a phototransistor to detect the pulse of the finger,
a red LED flashes with each pulse
.Pulse monitor works as follows: The LED is the light side of the finger, and phototransistor on the other
side of the finger, phototransistor used to obtain the flux emitted, when the blood pressure pulse by the
finger when the resistance of the phototransistor will be slight changed.
2.Chosing a very high resistance resistor R1, because most of the light through the finger is absorbed,it is
desirable phototransistor sensitive enough.
Resistance can be selected by experiment to get the best results.The most important is to keep the shield
stray light into the phototransistor.
For home lighting that is particularly important because the lights at home mostly based 50HZ or 60HZ
fluctuate, so faint heartbeat will add considerable noise.
MQ-9 MQ9 Carbon Monoxide Gas Alarm Combustible Sensor Module For Arduino
Suitable for home or factory gas leakage monitoring devices.
Have better sensitivity to CARBON MONOXIDE, METHANE, LIQUEFIED PETROLEUM GAS.
High quality dual-panel design, with power indicator and TTL signal output instructions.
DO switching signal (TTL) output and AO analog signal output.
TTL output valid signal is low. (When the output low signal is on, it can be directly connected micro-controller or relay module.)
Analog output voltage: the higher concentration, the higher voltage.
Four screw holes, easy positioning.
Long life and stability, quick response and resume.
Input voltage: DC 5?0.2V
Power: 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
Dimensions: 32(L) * 20(W) * 22(H) mm
AO ? analog signal output
MQ-4 Methane Natural Gas Sensor Module For Arduino
Power Supply: 5 Volts
Interface Type: Analog & Digital
High Sensitivity to Methane & small sensitivity to smoke & alcohol
Low Cost.
Stable & Long Life.
On board Power indication.
MQ-3 Alcohol Ethanol Gas Sensor Module For Arduino
Sensitive for alcohol, ethanol
Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off)
Current Consumption: 150mA
DO output: TTL digital 0 and 1 ( 0.1 and 5V)
AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V
Detecting Concentration: 0.05-10mg/L Alcohol
Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)
Heater consumption: less than 750mW
Operating temperature: 14 to 122 ?F (-10 to 50?C)
Load resistance: 200k?
Sensitivity S: Rs(in air)/Rs(0.4mg/L Alcohol)?5
Sensing Resistance Rs: 2K?-20K?(in 0.4mg/l alcohol)
Dimensions: 32 x 22 x 16 mm
Description:
plant watering alarm
Durable and practical
Top Sales Item
Plant Watering Alarm Sensor
This sensor will be silent when it?s dark and will restrict itself from making too much noise.
This is a plant watering alarm - as simple as that. You put it into the soil near a plant and it emits
a tiny chirp when the soil is dry, reminding you to water the plant. It uses capacitive humidity sensing
as opposed to resistive humidity sensing, this means, it does not make an electric contact with the soil,
avoiding electrode corrosion and soil electrolysis and resulting in better accuracy and longer battery life.
AH35 Series Hall sensor is an analog signal outputs Hall IC, output voltage varies with the intensity of the magnetic field. The sensor chip has built-in reverse voltage protection, voltage
regulators, temperature compensation circuit, Hall voltage generator, signal amplifier etc circuit
uint. Excellent voltage regulator and temperature compensation circuit enable the sensor stable
operation within a wide voltage range and temperature range, the reverse voltage protection circuit
avoids the sensor being reverse voltage damage.
AH3503 3503 TO-92UA Casing Linear Hall Effect Sensor
SR501 HC-SR501 Adjust IR Pyroelectric Infrared PIR module Motion Sensor Detector Module for arduino
Infrared sensor with control circuit board
The sensitivity and holding time can be adjusted
Working Voltage Range: DC 4.5V- 20V
he sensor module light is adaptable to the environment, it has a pair of infrared transmitting and receiving tube, tube infrared emitting a certain frequency, when detecting direction meet with obstacles (reflecting surface), reflected infrared receiving tube, after the comparator circuit processing, green indicator will light up, at the same time signal output interface and output digital signal (a low level 0V) signal, can be adjusted through the potentiometer knob detection distance, effective distance range 2 ~ 30 cm, the working voltage of 3 .3 V to 5 V
Water Level Sensor Condition: New Operating voltage: DC3-5V Operating current: less than 20mA Sensor Type: Analog Detection Area: 40mmx16mm Production process: FR4 double-sided HASL Operating temperature:10-30 Humidity: 10% -90% non-condensing
DC 12V Automatic Infrared PIR Motion Sensor Switch for LED Light (Black)
Detection range: 180degree
Operating voltage: DC12V
Detection distance: 15m (24 Degrees Celsius)
Delay Time: 15 seconds to 7 minutes
Installation height: 1.8m-2.5m
Color: Black
Material: ABS
Installation: open type, (hole 16mm) installation, adjusting for the next button.
A1324 Low Noise, Linear Hall Effect Sensor ICs with Analog Output New applications for linear output Hall-effect devices, such as displacement, angular position, and current measurement, require high accuracy in conjunction with small package size. The Allegro A1324 linear Hall-effect sensor ICs are designed specifically to achieve both goals. This temperature-stable device is available in a miniature surface mount package (SOT23W) and an ultra-mini through-hole single in-line package.
These ratiometric Hall effect sensor ICs provide a voltage output that is proportional to the applied magnetic field. They feature a quiescent voltage output of 50% of the supply voltage. The A1324/25/26 feature factory programmed sensitivities of 5.0 mV/G, 3.125 mV/G, and 2.5 mV/G, respectively.
The features of these linear devices make them ideal for use in automotive and industrial applications requiring high accuracy, and are guaranteed through an extended temperature range, –40°C to 150°C.
Each BiCMOS monolithic circuit integrates a Hall element, temperature-compensating circuitry to reduce the intrinsic sensitivity drift of the Hall element, a small-signal high-gain amplifier, a clamped low-impedance output stage, and a proprietary dynamic offset cancellation technique.
These devices are available in a 3-pin ultra-mini SIP package (UA), and a 3-pin surface mount SOT-23 style package (LH). Both are lead (Pb) free, with 100% matte tin leadframe plating.
Allegro A1324Lua-T High-Precision Linear Hall Effect Sensor buy in Abbaspur (a.k)
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