Alcohol Ethanol Sensor MQ3
01. Type: Gas Sensor (Alcohol / Ethanol Detector)
02. Model: MQ-3
03. Operating Voltage: (DC) 3V - 5V.
04. Analog Output: 0V - 5V higher concentration results in higher voltage.
05. Digital Output: TTL output for microcontrollers.
06. PCB Size: 32mm x 22mm x 22mm
Analog to Digital PCF8591 Converter Module
Low Standby Current
via I2C-bus serial input / output
PCF8591 by 3 hardware address pins addressing
PCF8591 I2C bus speed sampling rate decision
4 programmable analog inputs for single-ended or differential inputs
auto increment channel selection
PCF8591 analog voltage range from VSS to VDD
PCF8591 built-in track and hold circuit
Barometric Pressure Sensor BMP280
Specification:
Power supply: 3 V to 5 V
Communication: I2C or SPI
Pressure accuracy: ± 1 hPa
Temperature Accuracy: ± 1.0 ° C
Dimensions: 19.2mm x 17.9mm x 2.9mm / 0.8 "x 0.7" x 0.1 "
Weight: 1.3 g.
Barometric Pressure Sensor Module BMP180 GY68
Pressure range: 300~1100hPa (elevation of 9000 meters to -500 meters)
Power supply voltage: 1.8V~3.6V (VDDA), 1.62V~3.6V (VDDD)
LCC8 package: leadless ceramic carrier package (LCC)
Size: 3.6 x 3.8 x 0.93mm
Low power consumption: 5μA in standard mode
High precision: low power mode, the resolution of 0.06hPa (0.5m)
In high linear mode, the resolution is 0.03hPa (0.25m)
Temperature output
I2C interface
Temperature compensation
Lead free, comply with RoHS specification
MSL 1 reaction time: 7.5ms
Standby current: 0.1 A
No external clock circuit is required
Capacitive Touch Sensor
Features:
* Low power consumption
* Power supply for 2 ~ 5.5V DC
* Can replace the traditional touch of a button
* Four M2 screws positioning holes for easy installation
Carbon monoxide gas MQ7 sensor
Testing gas: Carbon Monoxide
Detection of concentration: 10-1000ppmCO
Loop voltage: 10V DC
Heater voltage: 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low)
Load resistance: adjustable
Heating resistor: 31±3(indoor temperature)
Heating dissipation: 350mW
Sensitive part surface resistance: 2K-20K
Sensitivity: Rs(in air)/Rs(100ppmCO)5
Concentration gradient: 0.6
Temperature, humidity: 20±2, 65%±5%RH
Standard test circuit: Vc: 5v ±0.1v, Vh(high): 5v ±0.1v, Vh(low): 1.5v ±0.1v
Color Sensor GY-31 TCS230 TCS3200
Specification:
Chip: TCS230
Input voltage: DC 3V-5V
Output frequency voltage: 0 ~ 5V
Use bright white LED lights
can be connected directly with Microcontroller
Static detection of the measured object color
Best detection distance: 1cm
Color Sensor TCS34725 module
Applications:
1. RGB LED Backlight Control
2. Light Color Temperature Measurement
3. Ambient Light Sensing for Display Backlight Control
4. Fluid and Gas Analysis
5. Product Color Verification and Sorting
Compass + Atmospheric pressure module GY-652
Features:
Name: electronic compass atmospheric pressure module (three-axis magnetic field + pressure)
Model: GY-652
The use of chip: HMC5983 + BMP180
Power supply :3-5v (internal low dropout regulator)
Communication modes: standard IIC communication protocol)
Compass 3 Axis Accelerometer + 3 Axis Magnetometer Module LSM303DLHC GY-511 Module
Model: GY - 511
Size: 14.5 mm * 20.5 mm
Name: LSM303DLHC module (triaxial magnetic field + triaxial acceleration)
Use chip: LSM303DLHC
Power supply: 3-5v (internal low voltage differential regulator)
Communication mode: standard IIC communication protocol
Magnetic field range: ±1.3 /± 1.9 /± 2.5 /± 4.0 /± 4.7 / 5.6 mm / 8.1 mm gauss
Acceleration range: ±2 g/±4 g/±8 g
Compass Magnetometer Module
1. Immersion Gold PCB, machine welding process to ensure quality.
2. Name: HMC5883L module (three-axis magnetic field module).
3. Use the chip: HMC5883L.
4. Power supply :3-5v.
5. Communication modes: standard IIC communication protocol.
6. Measuring range: ± 1.3-8 Gauss.
Current Sensor Module ACS712 (5A)
1. The current sensor chips: ACS712ELC-05B.
2. pin 5V power supply, on-board power indicator.
3. the module can be measured plus or minus 5 amps, corresponding to the analog output of 185 mV / A.
4. there is no the detection current through, the output voltage is VCC / 2.
5. PCB board size: 31 (mm) x13 (mm).
Note: ACS712 Hall detection principle, when you use to avoid magnetic field impact this!