2 CHANNEL 5V RELAY
- High current relay
- Two LED S to indicate relays ON/OFF status
- Low-level trigger expansion board
- Opto isolation circuitry
- Works with logic level signal 3.3V or 5V devices
- Can be used as normally open (NO) or normally closed (NC)
- Back EMF protection
- Ensures diode current protection
- AC control voltage: 250v @mx10A
- DC control voltage: 30V @max 10A
- Easy installation and fixing
Arduino Uno R3 Clone SMD
- Microcontroller: ATmega328 SMD.
- Operating Voltage: 5V.
- Supply Voltage recommended:Â 7-12V DC.
- Digital I/O Pins: 14 (of which 6 provide PWM output).
- Analog Input Pins: 6.
- DC Current per I/O Pin: 40 mA.
- DC Current for 3.3V Pin: 50 mA.
- Flash Memory: 32 KB (ATmega328) of which 0.5 KB is used by the bootloader.
- SRAM: 2 KB (ATmega328).
- EEPROM: 1 KB (ATmega328).
- Clock Speed: 16 MHz.
4 Channel 5V Relay Module Shield For Arduino
- Product Type: 4-Channel relay module
- Dimensions: 75 mm x 55 mm x 19.3 mm
- Weight: 61 g
- Relay colour: Blue
- PCB colour: Blue
- Maximum output of relay: AC250V 10A and Dc30V 10A
- Number of Relays: 4
- Control signal type: TTL level
- Input voltage: 5v
- Compatible with: Arduino, AVR, PIC, ARM, Raspberry Pi etc
- Package contains: 1 piece of 4 channel relay module
Water Proof RTD PT100 Temperature Sensor, Stainless Steel
Raspberry Pi 4 (4GB)
- Broadcom BCM2711, Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
- 2GB, 4GB or 8GB LPDDR4-3200 SDRAM (depending on model)
- 4 GHz and 5.0 GHz IEEE 802.11ac wireless, Bluetooth 5.0, BLE
- Gigabit Ethernet
- 2 USB 3.0 ports; 2 USB 2.0 ports.
- Raspberry Pi standard 40 pin GPIO header (fully backward compatible with previous boards)
- 2 × micro-HDMI ports (up to 4kp60 supported)
- 2-lane MIPI DSI display port
- 2-lane MIPI CSI camera port
- 4-pole stereo audio and composite video port
- 265 (4kp60 decode), H264 (1080p60 decode, 1080p30 encode)
- OpenGL ES 3.0 graphics
- Micro-SD card slot for loading operating system and data storage
- 5V DC via USB-C connector (minimum 3A*)
- 5V DC via GPIO header (minimum 3A*)
- Power over Ethernet (PoE) enabled (requires separate PoE HAT)
- Operating temperature: 0 – 50 degrees C ambient
pH Sensor Module & pH electrode Probe for Arduino, AVR, PIC
- Module Power: DC 5.00V.
- Measuring Range: 0-14PH.
- Accuracy: 0.01 pH
- Response Time: ≤ 1min.
- Industry pH Electrode with BNC Connector.
- Power Indicator LED.
- Output: Analog values in the range of (0.5V to 3V).
- Alkali Error: 0.2PH.
- Internal Resistance: 250MOhm.
- Gain adjustment Potentiometer.
- Measuring Temperature: 0 degrees to 50 degrees C
- Terminal Blocks: BNC plug.
- BNC Connector is suitable for most pH meters and controllers.
- Suitable for a wide range of applications: Aquariums, Hydroponics, Laboratory etc.
- Module Size: 50 x 47 x 16mm
HC-12 433 SI4463 Wireless Serial Module
- IEEE 802.15.4g compliant
- Supply voltage: 3.2V~5.5V
- Operating frequency range: 433.4-473.0MHz,
- Up to 100 channels of communication
- Receive sensitivity = –126 dBm
- Serial TTL (RX, TX, GND) interface
- Modulation (G)FSK, 4(G)FSK, (G)MSK, OOK
- Maximum transmit power: 100mW (settable)
- Max output power: +20 dBm
- Low active power consumption: 10/13 mA RX, 18 mA TX at +10 dBm
- Ultra-low current power-down modes: 30 nA shutdown, 50 nA standby
- Data rate: 100 kbps to 1 Mbps
- Fast wake and hop times
- The highly configurable packet handler
- TX and RX 64 byte FIFOs
- Auto frequency control (AFC)
- Automatic gain control (AGC)
- Low BOM and battery detector
- Default factory settings: Mode FU3, the baud rate is 9600bps, communication channels CH001 (433.4M)
Magnetic Door Open Sensor – N/C Type
- Max Voltage: 100V DC
- Max Rated power: 10W
- Sensing Distance: 15-25mm
- Wire lead: 24 Awg, about 350mm long
- Rated Current: 100mA
- Connecting mode: N.C. (Normally closed)
- Easy to install
- Strong concealment
- Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
- Alarm when someone intrudes into your places
- Can be used in places like apartments, hotels, offices, etc.
- Ideal for residential or commercial use.
- Designed to do embedded in the door or window frame.
- Dimension: approx. 27 x 14 x 8mm
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
TURBIDITY SENSOR
- Working voltage: DC5V
- Measure water turbidity and estimate water quality
- Operating Current: 30mA (MAX)
- Response time : <500ms
- Digital and analogue output
- High level: 5V, low level: 0V
- Operating temperature: -30 to 80 degrees C
- Storage temperature:-10 to 80 degrees C
- Compatible with Arduino, Raspberry Pi, AVR, PIC, etc.
- Weight: 15g
MQ135 Module
- Working voltage: DC 5V
- Working Current: 150mA
- DOUT: TTL output
- AOUT: Analog output
- Preheat time: Over 20s
- Detection Range: 10 - 300 ppm NH3, 10 - 1000 ppm Benzene, 10 - 300 Alcohol
- Sensitivity to Ammonia, Sulphide, and Benzene steam
- With signal output instructions
- The TTL output signal is a low level
- Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
- Sensitive for benzene, alcohol, smoke
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
- Dimension: 32mm x 22m x 27mm
Flame Sensor
- Operating voltage 3.3V-5V.
- Wavelength range: 760 nm-1100 nm
- Detection angle: up to 60 degrees
- Detection range: up to 100 cm.
- Comparator chip LM393 makes module readings stable.
- Sensitivity adjustable
- Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm.
- Adjustable detection range
- High Photo Sensitivity
- Easy to use
- Fast Response Time
- Sensitivity adjustable
- Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm.
- Digital and Analog Output.
- Power indicator and digital switch output indicator
- Dimensions :Â 14.8 x 6.4 x 2 cm
- Weight: 10 gm