Generic1

• Model : LJ12A3-4-Z / BY
• Operating Voltage : DC 6-36V
• Output Type : PNP
• Output Status : Normally Open
• Detection object : metal objects
• Detection distance : 4 mm
• Output Current : 300 mA
• Response Frequency : 0.5KH
• Working temperature : Temperature range -30 ° to 60 °
• Dimensions : 12 mm screw diameter
• Cable length : about 115 cm
• Material : Metal and plastic

• Support Card Type: Read-only ID cards (such as EM4100, EM4001, etc.)
• Working voltage: 4.5~5.5VDC
• Working current: 40mA (max)
• Working frequency: 125KHz
• Reading distance: 2~5cm
• Logic Interface: UART TTL serial port
• Communication format: 8N1
• Baud rate: 9600
• Induction coil: pluggable
• Coil size: 35X40mm
• Coil lead length: 15cm
• Great for DIY
• Applications: Access control systems, Attendance system

• Interfacing with ESP32, Arduino and NodeMCU
• Interfacing with Raspberry Pi

• Type:Field-Effect Transistor
  
• Brand Name: International Rectifier
  
• Package Type: Throught Hole
  
• Model Number: IRFZ44NPBF
  
• TO-220AB: MOSFET N-Channel, Metal Oxide
  
• 55V 49A: FETs - Single
  
• Mosfet Type : N-channel
  
• Current Rating : 49A
  
• Rds (On) : 17.5mΩ
  
• Voltage Rated : 55V

• Size: 40mm x 40mm x 10mm
  
• Voltage: DC 24V 0.1A
  
• Cable length: 200mm
  
• Application: For 3D Printer Ender-3

This is a split-core current transformer which is used as an AC current sensor. It is popularly used for current measurement, monitoring and protection for AC motors, lighting equipment, air compressors, home automation etc.

Features

• Opening size: 13 x 13mm
• Rated input current (RMS): 10% - 120% of that is 1A~100A
• Output voltage(RMS): linear output. when the input current is 100A, the output voltage is 1V
• Linearity: ± 3%
• Output connectors: 3.5mm standard three-pin plug
• Lead length: 1m

What's in the box?

1 x Split-Core Current sensor

When the soil moisture is lower than preferred setting, the relay will automatically pull in, start the sprinkler, water pump etc. until the moister reaches the desired humidity level and automatically stop.
Product use: Through the potentiometer, adjust to the desired soil moisture level

Specifications

• Electrical parameters: Supply voltage: 12VDC
• Input current: more than 100mA
• Relay Load Max: 10A 250V AC or 10A 30V DC

What's in the box?

1 x Soil moisture control module
1 x Soil sensor
2 x 20cm long DuPont lines

Resources

Module instructions

1 Module sensors applied to the detection of soil moisture,
2. Blue potentiometer is used to adjust soil moisture level, clockwise adjustment and control the humidity will be bigger, counterclockwise smaller;
3. Due to module delay function, adjust the humidity value, wait about 5-8 seconds, see if the the relay state changed, the green LED lamp will also have corresponding change, until adjusted to meet the requirements.

Specifications

• Support EM4001, EM4100, EM4200, TK4100 and its compatible RFID ID card
• Frequency: 125KHz
• First 10 digits of the RFID proximity card read.
• Windows95/98/2000/XP/7/8/10/android
• Communication speed: 106Kbit/s
• Power: DC 5V
• Reading distance: 5-8cm
• Interface: USB
• Operation temperature: -10~70 celsius degree
• Storage temperature: -20~80 celsius degree
• Size(L*W*H): 108mm x 78mm x 28mm
• Total Weight: 100g
• Colour: Black

• Voltage 0.0V to 100V
• Current 0A to 10A
• Working voltage DC 4 to 30V
• Working current <20mA
• Size 48mm x 29mm x 22mm

• Material: Aluminium alloy.
  
• Size: Roof:50mm x 60mm.Foot:80mm x 50mm.
  
• Height: 43mm.
  
• Weight: 96g
  
• Compatible with: Designed specially for single phase solid state relay.
  
• Colour: Silver

• Type: GY - 302
• Size: 13.9 mm X 18.5 mm
• The original BH1750FVI ROHM chip
• Power supply: 3-5 V
• Data range: 0-65535
• Sensor built-in and bitad converter
• Direct digital output, bypassing the complicated calculation, omit calibration
• Do not distinguish between ambient light
• Close to the visual sensitivity of spectral characteristics

Features

• Name: MPU-6050 module (three-axis gyroscope triaxial accelerometer)
• 2.54mm pin spacing
• MPU-6050 Accelerometer Gyro

The MPU-6050 sensor contains a MEMS accelerometer and a MEMS gyro in a single chip. It is very accurate, since it contains 16-bits analog to digital conversion hardware for each channel. Therefor it captures the x, y, and z channel at the same time.

Specifications

• 16bit AD converter-chip, 16-bit data output
• Use Chip: MPU-6050
• Power supply :3-5v (internal low dropout regulator)
• Communication: IIC communication protocol standard
• Gyro Range: ± 250 500 1000 2000 ° / s
• Acceleration range: ± 2 ± 4 ± 8 ± 16g
• Using Immersion Gold PCB, welding machines to ensure quality
• Size: 20mm x 16mm x 10mm

Application

• Motion sensing games
• Augmented Reality
• Electronic Image Stabilization (EIS: Electronic Image Stabilization)
• Optical Image Stabilization (OIS: Optical Image Stabilization)
• "Zero-touch" gestures User Interface
• Pedestrian navigation
• Gesture shortcuts

Market

• Smart phone
• Tablet device
• Handheld games
• 3D remote controller
• Portable navigation devices

What's in the box?

1 x MPU-6050 module

The ESP32-CAM is a small size, low power consumption camera module based on ESP32. It comes with an OV2640 camera and provides onboard TF card slot. The ESP32-CAM can be widely used in intelligent IoT applications such as wireless video monitoring, WiFi image upload, QR identification, and so on.

Specifications

• Low-power dual-core 32-bit CPU for application processors
• Main frequency up to 240MHz, computing power up to 600 DMIPS
• Built-in 2MB PSRAM
• Built-in 520 KB SRAM
• Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC
• Support OV2640 and OV7670 cameras, built-in flash
• Support image WiFi upload
• Support TF card
• Support multiple sleep modes
• Embedded Lwip and FreeRTOS
• Support STA/AP/STA AP working mode
• Support Smart Config/AirKiss one-click distribution network
• Support secondary development

What's in the box?

1 x ESP32-cam board
1 x pigtail
1 x antenna

You might also need the Esp32-Cam MB Micro-USB Programmer

Great for short distance DC connections

Specifications

• Supports maximum current 3A
• Material: PVC
• Length: 1000mm(approx)
• Colour: Black

 
What's in the box?

1 x DC 5.5 x 2.1mm Male To 5.5 x 2.1mm Power Cable

• Small and durable
• Waterproof, shockproof, anti-corrosive.
• Keyring for easy carrying.

• Main Chip : Fudan F08 compatible S50
• Colour : Blue,Yellow, Black, Green, Red
• Size : Approx. 40.5×32×4.2mm
• Operating Frequency : 13.56 MHz
• Communication speed : 106K Boud
• Read and write distance : 2.5 ~ 10cm
• Read and write time : 1 ~ 2ms
• Operating Temperature : -20 ℃ ~ 85 ℃
• Endurance :> 100,000 times
• Storage capacity : 8Kbit, 16 partitions, each partition with 2 group passwords

• 0.8 mm diameter
• Net weight: 50g (appox.) net weight
• Rosin core
• 63% purity
• Great For Electronics and Electrical Wiring

• High temperature masking tape
• Frequency conversion power supply in the electronics industry. Also use as perfect heat resistance ribbon on 3d printing, powder coating, etc
• PCB protection during wave soldering
• Insulation on transformers, motors and coils
• Fiber Optic Cables
• Solar panels

• 100% new and high quality
• Material: Polyimide
• Color: Brown Metallic
• Width: 5mm
• Length: 22 M
• Long term temperature: 260 ° C degrees
• Short term temperature: 300 ° c.

LCD Digital Mini Handheld Multimeter AC/DC 750/1000V With Probe


LCD Digital Multimeter AC/DC 750/1000V Handheld multimeter for voltmeter, ammeter Ohm tester meter with probes.


Specifications

• DIY Supplies: ELECTRICAL
• Certification: NONE
• Origin: CN(Origin)
• Model Number: Digital Multimeter
• AC Current: /
• AC Voltage: 2-750V
• Measuring Resistance Range: 20k-2000k
• Operating Mode: Manual
• Measuring Inductance Range: /
• Display Type: Digital Display
• DC Current: 200u-2000u-20m-200m-10A
• DC Voltage: 200m-2000m-20-200-1000V
• Measuring Capacitance Range: /
• Dimensions: 190mm x 90mm x 30mm
• Operating Temperature: 0 - 40 ℃
• Colour: Black/Yellow

What's in the box ?