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
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
Analog Hall Magnetic Sensor Module
- Operating Voltage: 3.3V-5V
- Wide range voltage comparator LM393
- Number of Pins: 4.
- Sensitivity is Adjustable.
- Output form digital switch output (0 and 1 high and low level)
- The output effective signal is a low level
- Signal output indicator with the retaining bolt hole, convenient installation
- When there is sound, outputs low level and the signal light
- Single-channel signal output
- Can be used for Acoustic control light, give sound and light alarm working with the Photosensitive sensor, and sound control, sound detect
IR Infrared Obstacle (Imported)
- Operating wavelength: Near-infrared region 700 nm to 1400 nm
- Main Chip: LM358
- Operating Voltage Range: 3.6V-5V DC
- Average Current Consumption: 06mA
- Distance Measuring Range: 2 to 30cm
- Detection angle: 35 °
- Easy to assemble and use
- On-board detection indication
- the effective distance range of 2cm to 80cm
- A pre-set knob to fine-tune distance range
- If there is an obstacle, the indicator lights on the circuit board
- 3mm screw holes for easy mounting
- Dimensions: 48 x 14 x 8mm
- Weight:5gm
DS18B20 MODULE
- Resolution: 9bits to 12bits (Selectable)
- Supply Voltage (V): 3 to 5.5
- Temperature Range(°C): -55 to +125
- Measuring Accuracy(°C): ±0.5
- Uses 1-Wire interface- requires only one digital pin for communication
- Unique 64 bit ID burned into the chip
- Multiple sensors can share one pin
- Maximum conversion time and response: 750 ms
- Multidrop capability simplifies distributed temperature sensing applications
- Requires no external components
- Digital signal output
- 18B20 Temperature Sensor Chip
- Send data via a pin
- User-definable nonvolatile (NV) alarm settings
- Dimension: 19*15*6cm
- Weight: 9gm
DHT11 Sensor
BH1750
VOLTAGE SENSOR
USB TO RS-485 CONVERTER
- Small and compact size
- Baud rate:75 bps-115200bps, up to 6Mbps
- Communication distance:1200m
- Support USB 2.0 standard
- Self-powered by USB bus
- Working temperature:-40degree - +85 degree
- RS-232 serial port transmission speed of max 115.2Kbps
- Supports full handshake protocol, full-duplex data operating mode
- Directional control: Uses automatic data flow control technology, automatic identification and control of data transfer direction Load capacity: support multipoint
- Interface protection: TVS tube protection, USB self-recovery protection
- Screw Terminal Connector for easy connection
- The module requires no external power, it takes power from the USB port
- Supported Systems: Windows XP, Vista, Windows 7, Linux, macOS, and
- Dimension:6.1x1.6x1.3cm
RS232 TO RS485 CONVERTER ADAPTER
- Input: USB 2.0 Protocol
- Output: RS232 on DB9 Male connector compatible to PC RS485/RS422 on the terminal block.
- Communication Speed: 300bps to 230Kbps.
- Auto direction control for RS485- 2W data transmission.
- Plug-and-Play (Device is Hot-pluggable)
- Cable: USB 2.0 type A to type B cable.
- Galvanic Isolation of 1.5kV
- RS232/RS485 line protection: +/- 15kV ESD.
- LED Indication for Transmit Receive signals.
- Input power from the USB port
- No external power is required.
- RS232 with DB9 Female connector
- RS485 with DB9 Male connector
- Baud rate up to 230Kbps.
- Input power supply range 9-6V DC to 26.4V DC
- USB Drivers provided for Win XP, Vista, Win7, Win8
- Working Modes: Asynchronous, half-duplex, differential transmission
- Operating temperature: -10°C to 85°C,
- Relative humidity: 5% to 95%
- Transmission distance: 1.2 mile (RS-485), 5 meters(RS-232)
- Transmission Media: Common wire, double wire, UTP or Shielding Line
- Serial Port Feature: Compatible with EIA/TIA RS-232C standard and RS-485 standard
- Weight: 49gm
TF-M16P MICRO SD CARD MODULE
- Supports MP3 and WAV decoding.
- Supports a maximum of 32GB micro SD card and 32GB USB flash drive.
- Supports AD key control mode and UART RS232 serial control mode.
- 24-bit DAC output
- Supports dynamic range 90dB and SNR 85dB.
- Supports FAT16 and FAT32 file systems.
- Audio files are sorted by folders; supports up to 99 folders, and each folder can be assigned to 255 sound files.
- Supports inter-cut advertisements.
- 30 levels adjustable volume, and 6 levels adjustable EQ
- 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 random playback.
- Support maximum of 99 folders, each folder can store 255 audio files
- Supports playback of specifying folders.
ISD1820 MODULE (10 SEC)
- Operating voltage: 2.6v to 5v
- Record and playback up to 10 sec
- Push-button and microcontroller controllable AGC circuit added tom increase audio playback volume
- Recording time: 8- 20 sec
- Built-in microphone
- On-chip 8-ohm speaker driver
- High quality, natural voice restored
- Available single-chip control audio recording control mode: the key to control or microcontroller, IO has drawn the line of control
- Can be used as propaganda module
- Auto power down mode
- Duration and sample rate can be extended to 20 sec by varying resistance
- Dimension: 43*34*11mm