MP3 FN-M22P Audio Player Sound Module
- Supports MP3 and WAV decoding.
- Sampling rates supported: 8/11.025/12/16/22.05/24/32/44.1/48(kHz).
- 24-bit DAC output
- Supports dynamic range 90dB and SNR 85dB.
- Supports multiple key control mode, parallel control mode, and UART serial port control modes.
- Possible to update audio files in the SD card via USB connecting with a PC.
- Supports playback of 63 audio files through binary encoding in parallel mode.
- Supports inter-cut advertisements.
- 30 levels adjustable volume.
- Built-in 3W amplifier that can directly drive a 3W/8Ohm speaker.
- Support maximum 3000 audio files under the root directory of the storage device
- Support maximum of 99 folders, each folder can store 255 audio files
- Supports multiple playback files without any pause
- Supports advertisement inter-cut function during playing a sound in serial mode.
- Power input range: DC 3.3-5V (5V is typical)
- Dimension: 40x40mm
MPR121
- Connection Interface: I2C.
- Operating Voltage: 2.5-3.6 VDC
- Application: Capacitive Touch Sensor Controller
- Number of touches inputs:12
- Capacitive touch sensor controller is driven by an I2C interface.
- Can control up to twelve individual electrodes, as well as a simulated thirteenth electrode.
- Eight LED driving pins.
- Connection to the microcontroller /microprocessor via I2C bus.
MPU-9150 GY-9150 9-Axis Electronic Compass Triaxial Accelerometer Gyroscope Module
- MPU-9150 module (three-axis gyroscope + tri axis accelerometer + axis magnetic field)
- Module Model: GY-9150
- Chip: MPU-9150
- Power supply :3-5v (internal low dropout regulator)
- Communication: IIC communication protocol standard
- 16bit AD converter-chip, 16-bit data output (field 13)
- Gyro Range: ± 250 500 1000 2000 ° / s
- Acceleration range: ± 2 ± 4 ± 8 ± 16g
- Magnetic field range: ± 1200uT
- Using Immersion Gold PCB, welding machines to ensure quality
- 54mm pin spacing
MPU-9250 GY-9250 9-Axis Sensor Module I2C/SPI Communications
- Acceleration, Gyroscope, and Magnetometer
- Power Supply: DC3.3V-5V
- Chip: MPU9250
- Gyro range : ± 250 500 1000 2000 ° / s
- Acceleration range: ± 2 ± 4 ± 8 ± 16g
- Magnetic field range: ± 4800uT
- Pin spacing: 2.54mm.
- 9 DOF modules
- Build-in ultra-low noise linear LDO voltage regulator.
- Built-in onboard filters, which reduce noise from the motor and other high current electronics.
- All sensors are connected to the I2C bus.
- Build-in the Logic level converter for I2C.
- Power indicator LED.
- Using Immersion Gold PCB, machine welding process to ensure quality.
- On-board pull-up resistors on SDA, SCL, and nCS
- On-board pull-down resistors on FSYNC and Ado
- Size: 22 mm x 17 mm.
MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module
- Input voltage: DC 5V
- 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.
- Suitable for home or factory gas leakage monitoring devices.
- Have better sensitivity to Carbon Monoxide, Methane and LPG 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.
MQ2 module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- Working Current: 150mA
- DOUT: TTL output
- AOUT: Analog output
- Preheat time: Over 20s
- Detection Range: 300 -10000 ppm
- Sensitive to H2, LPG, CH4, CO, Alcohol, Smoke or Propane,
- Digital Out is High or Low based on an adjustable preset threshold,
- High Sensitivity to Smoke & combustible gasses like Hydrogen, LPG & Propane.
- Stable & Long Life.
- Onboard Power indication
- The TTL output signal is a low level
- Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
- Fast response and recovery
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm
MQ3 Module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- Working Current: 150mA
- DOUT: TTL output
- AOUT: Analog output
- Preheat time: Over 20s
- Detection Range: 0.05 mg/L to 10 mg/L
- Sensitive to Alcohol, Benzine, CH4, Hexane, LPG, CO
- High Sensitivity to Alcohol & small sensitivity to Benzine.
- Digital Out is High or Low based on an adjustable preset threshold,
- Stable & Long Life.
- Onboard Power indication
- The TTL output signal is a low level
- Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
- Fast response and recovery
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm
MQ4 Module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- DOUT: TTL output
- AOUT: Analog output
- Detection Gas: Natural gas/Methane
- Detection range: 300 to 10000ppm
- Digital Out is High or Low based on an adjustable preset threshold,
- Stable & Long Life.
- Onboard Power indication
- Standard Encapsulation Bakelite, Metal cap
- Good sensitivity to Combustible gas in a wide range
- High sensitivity to CH4, Natural gas.
- Small sensitivity to alcohol, smoke.
- Fast response and recovery
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm
MQ5 Module
- Operating voltage: 5V
- Interface Type: Analog & Digital
- Dual signal output (analogue output, and TTL level output)
- Detecting concentration:200-10000ppm
- The TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller
- High Sensitivity to LPG, Natural Gas, Town Gas
- small sensitivity to smoke & alcohol
- Low Cost.
- Stable & Long Life.
- Simple drive circuit.
- Fast response.Â
- Onboard Power indication.
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm
MQ6 Module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- Dual signal output (analogue output, and TTL level output)
- Detection Gas: Propane, Butane, and LPG
- Detection range: 300 to 10000ppm
- The TTL output signal is low. (When low output signal light, and can be connected directly to the microcontroller)
- Onboard Power indication
- Good sensitivity to Combustible gas in a wide range
- Can be resistant to ethanol steam, LPG (petroleum), smoke interference.
- Simple drive circuit
- An indication of the signal output
- High sensitivity to hydrogen.
- Has a long life and reliable stability.
- Fast response and recovery characteristics.
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm