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
- 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
MQ8 Module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- Dual signal output (analogue output, and TTL level output)
- Detection Gas: Hydrogen
- Detection range: 100 to 10, 000 ppm
- 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.
- The higher the voltage, the concentration of the analogue output voltage is higher.
- 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
Rain Drop Sensor
- Operating voltage: 5V
- Provide both digital (DO) and analogue (AO) 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
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
TCRT5000 Module
- Model TCRT5000
- Chipset LM393
- Operating Voltage: 3.5-5 VDC
- Detection distance 1-25mm
- Operating Current: 15 mA
- Output Channel 0 or 1
- Focal Distance: 2.5 mm
- Designed with a reflected infrared sensor, indicator light.
- Built-in a potentiometer for sensitivity control.
- On-board signal output instructions, the output is a highly effective signal at the same time, the indicator lamp light output signal can be directly and single-chip microcomputer IO connection.
- Signal detection sensitivity can adjust.
- Reserve all the way more circuits (P3 voltage drawn)
- Output form: digital switch output (0 and 1)
- A fixed bolt hole, convenient installation.
- Dimension:32*11*20mm
- Weight:22gm
Water Float Sensor Black
- Rating contract (Max.): 10 W
- Switching power supply (Max.): 110VDC
- Resistance contract (Max.): 100 Ω
- Breakdown Voltage (Max.): 220VDC
- Current (Max.): 1A
- Body Total Length (mm) : 85
- Cable Length (cm) : 3
- Total Float opening: 70
- Float Switch ON/OFF angle: Approx. between 15 to 20
- Operating Temperature (C): -10 to 60
- Cable length: 40cm
- No electrical contact with water.
- Shockproof
- Corrosion-free and rust-free
- Float Ball Size: 24×17mm
- Weight : 0.02 kg
Water Level Sensor
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
ESP8266 ESP – 01
- 11 b/g/n
- Wi-Fi Direct (P2P), soft-AP
- Integrated TCP/IP protocol stack
- Integrated TR switch, balun, LNA, power amplifier and matching network
- Integrated PLLs, regulators, DCXO and power management units
- +19.5dBm output power in 802.11b mode
- Power down leakage current of <10uA
- 1MB Flash Memory
- Dimensions: 25 x 15 x 11 mm (LxWxH)
- PCB Thickness: 1mm
- Weight: 2 gm
- SDIO 1.1 / 2.0, SPI, UART
- STBC, 1×1 MIMO, 2×1 MIMO
- A-MPDU & A-MSDU aggregation & 0.4ms guard interval
- Wake up and transmit packets in < 2ms
- Standby power consumption of < 1.0mW (DTIM3)
- Integrated low power 32-bit CPU could be used as an application processor
- A-MPDU & A-MSDU aggregation & 0.4ms guard interval
- Wake up and transmit packets in < 2ms
- Standby power consumption of < 1.0mW (DTIM3)
MT8870 DTMF Audio/Speech Decoding Telephone Module
- Power Input: 5V Nominal (4.5V - 5.5V)
- 5 Channel Interface
- Detects 0-9, A-D, *, #
- 54” Pin pitch
- On-board 3.5mm jack input Facility
- On-board MT8870 frequency decoder chip
- On-board voice input interface
- On-board LED lights for output state indication
- Low power consumption
- Internal gain setting amplifier
- Adjustable guard time
- 5 Channel interface
- Power-down mode
- Inhibit mode
- Does not require external circuits or wiring,
- Dimension: 37 x 25 x 12 mm
