4 Bits Tube Led Display Module Four Serial for Arduino 595 Driver
- Display common anode for the four red LEDs.
- Digital tube 8 Gray Adjustable.
- Level control interface for 5V or 3.3V.
- 4 M2 screws positioning holes for easy installation.
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- Used for Electrical/Electronic projects.
- Dimension: 42X24X12mm
434MHz/315Mz TX & RX
Transmitter
- Working voltage: 3V - 12V for max. power use 12V
- Working current: max Less than 40mA max , and min 9mA
- Modulation mode: ASK
- Working frequency: 433MHz
- Transmission power: 25mW
Receiver
- Working voltage: 5.0VDC
- Working current:≤5.5mA max
- Modulation method: OOK/ASK
- Working frequency: 433.92MHz
- Bandwidth: 2MHz
- Sensitivity: excel –100dBm (50Ω)
- Transmitting velocity: <9.6Kbps (at 315MHz and -95dBm)
ESP8266 ESP-12E
- LDR Light Sensor on board.
- WS2812 Led on board.
- Wireless Standard: IEEE 802.11 b/g/n protocol
- Frequency Range: 2.412 - 2.484 GHz
- Serial Transmission: 110 - 921600 bps, TCP Client 5
- SDIO 2.0, SPI and UART Interface available
- PWM available
- One ADC channel is available
- Programmable GPIO available
- Wireless Network Type: STA / AP / STA + AP
- Security Type: WEP / WPA-PSK / WPA2-PSK
- Encryption Type: WEP64 / WEP128 / TKIP / AES
- Network Protocol: IPv4, TCP / UDP / FTP / HTTP
- Operating Voltage: 3.3V
- Maximum current allowed to draw per pin: 15mA
- Power down leakage current of < 10uA
- Integrated low power 32-bit MCU
- Onboard PCB Antenna
- Wake up and transmit packets in < 2ms
- Standby power consumption of < 1.0mW
- Operating Temperature: -40ºC to +125 ºC
RFID EM18 125KHz RS232 Output
- Operating Voltage: 5V DC Supply
- Reading Distance: 6-10 cm.
- Read frequency: 125 kHz.
- EM4001 64 – bit RFID tag compatible.
- 9600bps ASCII output.
- Current : <50 mA
- Operating Frequency: 125 Khz
- This RFID Reader Module 125Khz is easy to use
- It is Low Cost
- It gives RS-232 and TTL Output
- Need a very less external component to drive
- TTL Level Compatible (Directly connected to the microcontroller)
- Small Buzzer & LED available to know about the card presence
- High-Quality PCB material & Original component only
- Dimension:32* 32* 8mm
Water Level Sensor
Soil Moisture Sensor
- Operating voltage: 3.3V to 5V Operating Current: 5mA.
- Dual output mode, analogue output and digital output
- Analogue output is more accurate
- Fixed bolt hole for easy installation
- Onboard power indicator (red) and digital switching output indicator (green)
- LM393 comparator chip
- Panel PCB Dimension: Approx.3cm x 1.5cm
- Soil Probe Dimension: Approx. 6cm x 3cm
- Cable Length: Approx.21cm
- Dimensions: 98 x 23 x 4.mm
- Weight (gm): 15
GP2Y1010AU0F Optical Dust Sensor
- Operating Voltage: 4.5V to 5.5V
- Low Current Consumption: 20mA max
- Sensitivity: 0.5V/(0.1mg/m3)
- Clean-air voltage: 0.9V typical
- Storage temperature:-20 ~80 degrees Celsius
- Minimum Detectable Dust Size: 0.5µm
- Smallest particles detected value: 0.8 micron
- Dust Density Sensing Range: Up to 580 µg/m3
- Sensing Time: Less than 1 Second
- Service life: 5 years
- The presence of dust can be detected by the photometry of only one pulse
- Enable to distinguish smoke from house dust
- Lead-free and RoHS directive compliant
- Operating temperature:-10 -65 degrees Celsius
- Dimensions: 46.0 x 30.0 x 17.6 mm
- Weight: 15gm
RCWL-0516 Microwave Radar Sensor
- Operating Voltage: 4 to 28 V DC
- Operating Current: 2.8mA (typical); 3mA (max)
- Detecting Range: 5-9m
- Transmitting Power: 20mW (typical); 30mW (max)
- Output Voltage: 3.2 to 3.4v
- Output Voltage Driving Capacity: 100mA
- Output Control Low Level: 0V
- Output Control High Level: 3.3V
- Operating Temperature (C): -20 to 80 degree C
- Transmission signal processing control chip RCWL-9196
- Penetrating detection capability, compared with the traditional infrared feeling PIR
- Adjustable Block time and distance
- Dimension:36*17*2mm
- Weight: 3gm
Rain Drop Sensor
- Operating voltage: 5V
- Provide both digital (DO) and analogue (AO)Â output
- Adjustable sensitivity with inbuilt potentiometer
- Output LED indicator
- Compatible with Arduino
- TTL Compatible
- Bolt holes for easy installation
- Voltage compactor IC: LM393
- Antioxidant material
- Treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance
- Comparator output signal clean waveform is good, driving ability, over 15mA
- Anti-oxidation, anti-conductivity, with long use time
- With bolt holes for easy installation
- PCB or module size: 30mm x 16mm
- Control board size: 54mm x 40mm
- Weight: approx. 8g
MQ7 Module
- Operating voltage: DC 5 V.
- Interface Type: Analog
- The analogue output voltage, the higher the concentration the higher the voltage.
- Detection Gas: carbon monoxide
- Detection range: 10 to 10000ppm
- Â Four screw holes for easy positioning.
- Has a long life and reliable stability.
- Fast response and recovery characteristics.
- 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
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