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
MQ4 Sensor
- Power requirements: VCC - 5V±0.1
- 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
- Detection Gas: Natural gas/Methane
- Detection Concentration: 200-10000ppm (Natural gas / Methane)
- 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)
- Â Related humidity less than 95%Rh
- Load resistance: 20KΩ
- Sensing Resistance: 10KΩ- 60KΩ (1000ppm CH4)
- Preheat time: Over 24 hour
- Standard Encapsulation Bakelite, Metal cap
MQ3 Sensor
- Operating Voltage: 5V ±0.1
- Detecting Concentration: 0.05-10mg/L Alcohol
- Current Consumption : 150mA
- Operation Temperature : -10°C ~ 70°C
- Heater consumption: less than 900mW
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Easy SIP header interface
- Compatible with most of the microcontrollers
- Low-power standby mode
- Requires heater voltage
- Good sensitivity to alcohol gas
- Fast response and High sensitivity
- Requires simple Drive circuit
- Dimensions: 32 x 22 x 16 mm
HX 711 Module
- Differential input voltage: ±40mV (Full-scale differential input voltage is ± 40mV)
- Data accuracy: 24 bit (24 bit A / D converter chip.)
- Output Sensitivity: 1.0 ± 0.1 mV / V.
- Refresh frequency: 10/80 Hz
- Operating Voltage: 2.7V to 5VDC
- Operating current: <10 mA
- Recommended excitation voltage: 5-10V.
- Two selectable differential input channels.
- On-chip active low noise PGA with a selectable gain of 32, 64, and 128.
- On-chip power supply regulator for load-cell and ADC analogue power supply.
- Selectable 10SPS or 80SPS output data rate.
- On-chip oscillator requiring no external component with optional external crystal.
- On-chip power-on-reset.
- Simple digital control and serial interface: pin-driven controls, no programming needed.
- Simultaneous 50 and 60Hz supply rejection.
- Dimension: 24x16mm
Force Sensor 14.7MM
DHT11 MODULE
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: 0°C to 50°C
- Humidity Range: 20% to 90%
- Resolution: Temperature and Humidity both are 16-bit
- Accuracy: ±1°C and ±1%
- Low power consumption.
- The module can detect the surrounding environment of the humidity and temperature
- High reliability and excellent long-term stability
- The output from the digital output
- Has fixed bolt hole and easy installation
Current Sensor ACS712 20AMPS
- Supply Voltage: 4.5V ~ 5.5V DC
- Measure Current Range: 20A
- Sensitivity: 100mV/A
- The low-noise analogue signal path
- Device bandwidth is set via the new FILTER pin
- 5 µs output rise time in response to step input current
- Small footprint, low-profile SOIC8 package
- 1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8
- Small footprint, low-profile SOIC8 package
- 1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8
- Output voltage proportional to AC or DC currents
- Factory-trimmed for accuracy
- Extremely stable output offset voltage
- Nearly zero magnetic hysteresis
- The ratiometric output from the supply voltage.
USB TO SERIAL CP2102 CONVERTER
- Reliable and stable device
- Baud rate:300bps-1Mbps
- Supports Windows, Linux &Mac
- Compliant withUSB2.0 at a full-speed 12Mbps
- Self-power :3.0 to 3.6v
- USB bus power:4.0 to 5.25v
- Supports all handshaking and modem interface signal
- Standard USB type A male and TTL 6pin connector.
- 6pins for 3.3V, RST, TXD, RXD, GND & 5V.
- All handshaking and modem interface signals.
- Byte receives buffer; 640 bytes transmit buffer.
- Hardware or X-On/X-Off handshaking supported.
- Event character support Line break transmission.
- USB suspend states supported via SUSPEND pins.
- Temperature Range: -40 to +85.
- Dimension: 42mm X 15mm.
MICRO SD CARD ADAPTER
- Support Micro SD (<=2G), Micro SDHC cards(<=32g)
- Operating voltage: DC 2.6 V to 3.6V
- Quiescent current: 16 μA
- Support playing of 4-bit ADCPM format
- Support FAT files system SD carrier
- Recognize voice files automatically
- Support microprocessor and key control
- Audio output: 16bit DAC and PWM
- Maximum voice storage: 512 voice
- The level conversion circuit board that can interface level is 5V or 3.3V
- Communication interface is a standard SPI interface
- The power supply is 4.5V~5.54V, 3.3v
- Dimension: 4.1*2.4CM
RP203 Thermal printer with case 5V
- Model RP203 Thermal Printer Panel
- Print method: Direct thermal print and auto paper feed.
- Printing Width: 48 MM.
- Max Printer Speed: 85 mm/s (max).
- Printer Interface: TTL/RS232,
- Command System: ESC/ WH,
- Working Voltage: DC3.3V-9V,15V,
- Rich graphics/curve/text printing function,
- Printing head lifespan: >50KM,
- Paper Type: Thermal paper (With 58mm, Thickness 65+5um, diameter 35mm),
- Printer dimension: 76.8*77.4*43.5mm(w*h*d),