WEMOS D1 Pro mini-16m External Antenna Connector ESP8266 WIFI Networking Smart Component
Turbidity Sensor Module Testing Suspended Particle for Arduino
PS24-2.5A SMPS
ESP8266-12E 10A 220V NETWORK RELAY WIFI MODULE INPUT DC 7V-30V
- Input voltage: DC 7V-30V
- Relay voltage: 220V
- Relay current: 10A
- ISM: 2.4GHz
- PA: +25dBm
- Input over-voltage protection
- Input overcurrent protection
- ESP8266 WIFI module with 4 layered board design
- LED indicator for input status and output status
- 220V 10A relay, normally opened, and one normally closed
- Optocoupler isolation input, TVS input protection
- Access server control via HTTP protocol by TCP client mode, high current terminals
- Dimension: 65*40*18mm
ECG Sensor Module – AD8232
- Single-supply operation: 2.0 V to 3.5
- Designed to extract, amplify, and filter small biopotential signals.
- Leads-Off Detection.
- Shutdown Pin.
- LED Indicator.
- Analog Output.
- 5 mm Jack for Biomedical Pad Connection.
- Single Lead Heart Rate Monitor is a cost-effective board used to measure the electrical activity of the heart.
- Fully integrated single-lead ECG front end
- Common-mode rejection ratio: 80 dB (dc to 60 Hz)
- Two or three-electrode configurations
- Qualified for automotive application
- Fast restore feature improves filter settling
- Dimension: 3.5cm x 3cm
DN40 – 1.5” Water Flow Sensor
- Model: YF-DN40
- Material: Plastic
- Function: Sensor, flow rate control
- Working Voltage: DC 5V~24V
- Thread size: BSP 1 1/2”
- Size:L 92x OD46 5"
- Colour: Black color
- Flow rate: 5~200L/min
- Flow Pulse: F(Hz)=(0.45xQ) +/-3% Q=L/min
- 1L water= 27Pulse
- Working Current: 15mA (DC5 V)
- Working Voltage: DC 4.5V
- Load Capacity: =10 mA (DC 5 V)
- Operating Working Temperature: -25 to +80 Degree C
- Liquid Temperature: 85
- Accuracy: 3~5%
- Working environment: water, liquid, light oil etc.
- Hydrostatic pressure> 1.75MPa meet
- Insulation resistance> 100M> 100M
- Accuracy in 1 ~ 120L / MIN ± 2% in line
- Flow pulse characteristics F = (0.45 * Q) Q = L / Min meet
- Weight: 146g
Stepper Motor Nema 23 kg 7.2 kg Dual shaft
- Rated Voltage: 6.6 V
- Current/ phase: 1A
- Resistance/ phase: 6.6ohms
- Inductance/ phase: 8.2 mH
- Holding Torque: 7.2 kg-cm
- of Leads - 6
- Rotor Inertia - 275
- Weight: 0.65kg
- Detent Torque: 0.36 kg-cm
- Step Angle - 1.8°
- Step Angle Accuracy - ±5% (full step, no load)
- Resistance Accuracy - ±10%
- Inductance Accuracy - ±20%
- Frame Size (mm) - 57x57
- Shaft Length (mm) - 20.6
- Shaft Diameter (mm) - 6.35
- Comparably more powerful than NEMA17 motors.
- Input pulse decides the rotation angle of the motor.
- High accuracy of around 3 to 5% a step.
- Provides good starting, stopping and reversing.
- Control of this motor is less costly because of exclusion of complex control circuitry.
- The speed is proportional to the frequency of the input pulses.
XBee Module S2C XB24CZ7WIT-004
- Protocol: ZigBee®
- Transceiver chipset: Silicon Labs EM357 SoC
- RF Standard: 802.15.4
- Frequency (ISM Band): 2.4GHz
- Digital I/O: 15
- ADC Channels: (4) 10-bit ADC inputs
- Data Rate: RF 250 Kbps, Serial up to 1 Mbps
- Range: Indoor 200 ft (60 m), Outdoor (LOS) 4000 ft (1200 m)
- Transmit Power: 3.1 mW (+5 dBm)
- Channels: 16 channels
- Encryption: 128-bit AES
- Voltage requirements: 2.1 to 3.6 VDC
- Current requirements: ~33 mA @ 3.3VDC (transmit), ~28 mA @ 3.3VDC (receive), <1 uA @25ºC (sleep)
- Migratable to Digi Mesh and ZigBee PRO protocols
- Configuration Method: API or AT commands, local or over-the-air (OTA)
- Communication: CMOS UART / SPI
- Dimensions: 27.61 x 24.38 x 4.06 mm
- Operating temperature range: -40 to +85 °C
- Integrated, Wire Antenna
- Interoperable with other ZigBee-compliant devices
- Programmable versions with on-board microprocessor enable custom ZigBee application development
- Supports binding and multicasting for easy integration into a home automation platform
- Through-hole form factor enables flexible design
30W LM2587 Step-Up Voltage Module
- Input Voltage Range : 3.5V to 30V
- Output Voltage Range: 4V to 30V
- Input Maximum Current : 5A
- Power : 30W
- Efficiency : 92%
- Operating temperature: -40 ℃ – 85 ℃
- Load capacity: 80W (MAX)
- Mode of connection: Wiring terminals are free of soldering, IN is input, OUT is output.
- Suitable for 24V car or laptop power supply.
- Low ripples.
- High power.
- Module size: 37mm x 32mm x 15mm (L x W x H)
- Net weight: 31g
Digital TPA3116D2 2.1 HIFI Subwoofer Amplifier Board 50w+50w+100w Beyond
- Most Perfect 2.1 digital amplifier board.
- 8.20 latest upgrated version
- Gain promoted to 36DB,
- Adopts two high-quality TPA3116D2 digital amplifier chips.
- Good sound quality, high efficient device and power amplifying feature.
- 50W x 2+100W 1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
- Powered by DC 12-24V, wide input voltage.
- User can adjust the volume by themselves easily.
- Applicable speaker impedance: 4-8 ohm.
- Just connect the power supply and loudspeaker box, enjoy pure digital music. Adopts two high-quality TPA3116D2 digital amplifier chips.
- Left and right channel output 50WX2, subwoofer output 100W, efficiency can reach above 90%,