Raindrops Detection Sensor Module with LM393
- Operating voltage: 5V
- Provide both digital and analog output
- Adjustable sensitivity
- Output LED indicator
- Compatible with Arduino
- TTL Compatible
- Bolt holes for easy installation
LM393 Photosensitive Light-Dependent Control Sensor LDR Module
- LDR module 4 PIN
- Operating voltage 3.3V-5V
- Signal output indicator light.
- LDR module 4 PIN
- Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)
BMP280 Barometric Pressure and Altitude Sensor I2C/SPI Module31
- Operating Voltage: 1.71V to 3.6V – would typically be operated from 3.3V.
- Operating Temperature: -40 to +85 deg. Celsius (full accuracy between 0 and +65 deg. C).
- Peak current: 1.12mA.
- Operating Pressure: 300 hPa to 1100 hPa.
- Accuracy between 700 to 900hPa and 25 to 40 deg. C: ±0.12hPa and ±1.0m.
Pulse Sensor – Heart Rate Sensor Amped
Features :
- A Color-Coded Cable, with a standard male header connectors. Plug it straight into an Arduino or a Breadboard. No soldering is required.
- The Pulse Sensor has 3 holes around the outside edge which make it easy to sew it into almost anything.
- Visualization software (made in Processing) to instantly see the output of the sensor and for troubleshooting.
MAX30102 PULSE OXIMETER HEART-RATE SENSOR MODULE GY-MAX30102
Specifications and Features:
- Optical sensor: IR and red LED combined with a photodetector
- Measures absorbance of pulsing blood
- I2C interface plus INT pin
- 3.3V power supply complete pulse oximeter and heart rate sensor solution, simplifies design, integrated LEDs, photo sensor, and
- high-performance analog front
- Ultra low power operation increases battery life for wearable devices
- Advanced functionality improves measurement performance, high SNR provides robust motion artifact resilience integrated
- ambient, light cancellation high sample rate capability fast data output capability
- It is an integrated pulse oximetry and heart rate monitor sensor solution.
LILYGO®TTGO T-Higrow ESP32wroom WiFi And Bluetooth Battery And DHT11 Soil Temperature And Humidity Photometric Electrolyte Sensor Fantastic Quality
- Working current:150 mA
- Sleep current:Â 220 uA
- Working temperature range:-40℃ ~ +85℃
- Power Supply Input:USB 5V/1A
- Charging current:500mA
- Battery Input:3.7-4.2V
- Battery:3.7V lithium battery
Flex Sensor 2.2″ Bend Sensor for Hand Gesture Recognition Good Quality
- Flex length: 5.6 cm.
- Total Length: 2.2″ (7 cm).
- Life Cycle : >1 million.
- Height : 0.43mm (0.017″),
- Flat Resistance: 10K Ohms ±30%.
- Power Rating: 0.5 Watts.
R307 Optical Fingerprint Reader Sensor Module Good Quality
- Operating voltage (v): 4.2 ~ 6 VDC
- Current consumption: ≤75mA
- Verification Speed: 0.2 sec
- Scanning Speed: 0.3 sec
- Character file size: 256 bytes
- Template size: 512 bytes
TTP223 Touch Sensor Module(Pack of 5)
- Input Voltage : 2 Volt – 5.5 Volts DC.
- The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
- Sensitivity can adjust by the capacitance(0~50pF).
- Stable touching detection of the human body for replacing traditional direct switch key.
- Provides direct mode toggle mode by pad option(TOG pin).
- After power-on have about 0.5sec stable-time, during the time do not touch the keypad, and the function is disabled.
- Auto calibration and Re-calibration period is about 4.0 sec when the key has not be touched.
Infrared Proximity Sensor Module
- Detection distance: 2 ~ 30cm
- Detection angle: 35 °
- Comparator chip: LM393
- 3mm screw holes for easy mounting