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Key Features :

1. 1. Stepper motor is known by its property to convert a train of input pulses into a precisely defined increment in the shaft position.
   2. This is a high-quality motor that can be used for a long time without stuck.
   3. It has a quite stable performance during work and will not lose step.
   4. Low noise and big torque, this is a great choice if you need a stepper motor.
   5. Stepper motor can be widely used for a 3D printer, CNC engraving machine, etc.

?Key Features :

1. 1. 1. 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire
      2. supported(except D0)
      3. 1 analog input(3.2V max input)
      4. Micro USB connection
      5. Use BRT (Bias Resistor Transistor), easier into flash mode.
      6. 30% increase in radiating area, more stable.
      7. Dimensions : 35 x 26 x 8 (LxWxH) mm.
      8. Weight: 10 gm.
      9. Board Color : Blue
      10. Compatible with Arduino
      11. Compatible with NodeMCU
      12. Compatible with MicroPython

?Key Features :

1. Two independent Potentiometer: one for each axis ( X and Y)
2. Auto return to the center position
3. Low weight
4. Cup-type Knob
5. Compatible to interface with Arduino or with most microcontrollers

?Key Features :

1. Product use: rain, rain sensor, can be used for all kinds of weather monitoring, and translated into output signals and AO.
   The sensor USES the high quality FR ? 04 double material, large area of 5.5 * 4.0 CM, treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance;
   The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA;
   With potentiometer sensitivity adjustment
   The working voltage of 3.3 V to 5 V
   The output format: digital switch output (0 and 1) and analog AO voltage output;
   Has a fixed bolt hole, convenient installation
   Small board PCB size: Approx. 3.2 cm x 1.5 cm
   The LM393, use of wide voltage comparator

?Key Features :

1. Tiny and lightweight with high output power. The servo can rotate approximately 180 degrees (90 in each direction) and works just like the standard kinds but smaller.
2. You can use any servo code, hardware, or library to control these servos.
3. Good for beginners who want to make stuff move without building a motor controller with feedback & gearbox, especially since it will fit in small places. It comes with 3 horns (arms) and hardware.

?Key Features :

1. Operating voltage: 3.3V~5V
2. Dual output mode,analog output more accurate
3. A fixed bolt hole for easy installation
4. With power indicator (red) and digital switching output indicator (green)
5. Having LM393 comparator chip, stable
6. Panel PCB Dimension: Approx.3cm x 1.5cm
7. Soil Probe Dimension: Approx. 6cm x 3cm
8. Cable Length: Approx.21cm
9. Interface Description(4-wire):
10. VCC: 3.3V-5V
11. GND: GND
12. DO: digital output interface(0 and 1)
13. AO: analog output interface

?Key Features :

1. 1. 1. sensor adopts TR5000, high sensitivity
      2. sensitivity adjustable digital potentiometer to adjust (blue)
      3. modules can induction block from 0 to 3 cm
      4. 5 V working voltage of 3.3 V
      5. 5a output form the output analog voltage (0 to 5 v) B digital switch output (0 and 1)
      6. Has a fixed bolt hole, the work of the installation
      7. Small board PCB size: 3.5 cm * 1.5 cm
      8. The power indicator light (red) and digital switch output indicator light (green)
      9. Comparator USES the LM393 chips, work stability
      10. Three small plate interface specifications wire (4)
      11. 1 VCC external 3.3 V to 5 V
      12. 2 GND external GND
      13. 3 DO small plate digital output interface (0 and 1)
      14. 4 small AO plate analog output interface (0 to 5 v)

?Key Features :

• Ceramics thermoelectric Cooler semiconductor module TEC1-12706
• Small module.
• Its work is characterized by side refrigeration and side fever.
• Hot and cold on both sides of the temperature difference of 68 degrees
• Connected to the 12-volt power supply cooling piece on both sides there will be the difference in temperature, side cold side of the heat, do not long power cooler radiator, otherwise, it will cause cooler internal overheating and burning.
• Quality tested cooling cells.
• Solid-state, vibration-free, noise-free.
• Simple to install and operate.
• Fitted with 6-inch insulated leads

?Key Features :

1. LCD display.
2. High accuracy.
3. This thermometer can also be used to measure object temperature (baby milk, food, bath water) or ambient temperature.
4. Waterproof probe, easy to remove.
5. Powered by 2 x 1.5v LR44 button cell.
6. Comes with a probe that is easy to use.
7. Perfect for use in incubators, brooders, homebrew room at any other place, the monitoring of temperature and humidity required.

?Key Features :

1. DIY Projects
2. Battery-operated toys
3. Disk drives Steel rolling?mills?Paper
4. Machines Medical equipment
5. Radio-controlled aircraft
6. Automobiles Drive systems Positioning
7. Industrial and consumer actuators Winches Robotics Mixers
8. Robotic projects

?Key Features :

1. Holder material:12mm cold-roll steel sheets,blue Zinc plating
   Wheel material: White nylon PP material,wear resisting & handy
   Wheel diameter: 24mm
   Wheel face width: 13mm
   Mounting height: 32mm
   Plate size: 38*32（mm）
   Mounting hole diameter:4mm
   Mounting hole center distance:30*24（mm）
   Single wheel load:10kg
   Single wheel weight:0.04kg

Key Features:

• NEW IMPROVEMENT: Clear prints on the female header connector, more precise and easier to use the wire.
• The ELEGOO UNO R3 BOARD now uses an ATMega16U2 instead of the ATMega8U2 chip. Faster transfer rates and more memory.
• Control using ATMEL ATMEGA328P chip(the same with Arduino UNO R3)
• 100% compatible with the Arduino IDE and RoHS Compliant
• The Uno board can be powered via the USB connection.
• The Uno board can be powered with an external power supply.
• Excellent welding and production quality to make sure satisfied customer experience
• The RX and TX LEDs on the board will flash when data is being transmitted via the USB-to-serial chip and USB connection to the computer.
• We have always cared about the customer experience and improve the product function details.

?Key Features :

1. 1. 1. ABS flame retardant housing is avirulent and environmental protective, long service life and will not discolor or be out of shape
      2. Wide temperature control range from -50? to 110? and high-temperature control precision of 0.1?
      3. Can be installed directly or embedded in industrial control equipment panel, convenient and quick
      4. Widely used in the hatching area, equipment case, air conditioning system, temperature control protection, and other fields
      5. The probe used stainless steel material shell and resin sealing treatment, waterproof and does not rust

?Key Features :

1. • Model: YF-S201
   • Sensor Type: Hall effect
   • Working Voltage: 5 to 18V DC (min tested working voltage 4.5V)
   • Max current draw: 15mA @ 5V
   • Output Type: 5V TTL
   • Working Flow Rate: 1 to 30 Liters/Minute
   • Working Temperature range: -25 to +80?
   • Working Humidity Range: 35%-80% RH
   • Accuracy: ?10%
   • Maximum water pressure: 2.0 MPa
   • Output duty cycle: 50% +-10%
   • Output rise time: 0.04us
   • Output fall time: 0.18us
   • Flow rate pulse characteristics: Frequency (Hz) = 7.5 * Flow rate (L/min)
   • Pulses per Liter: 450
   • Durability: minimum 300,000 cycles
   • Cable length: 15cm
   • 1/2? nominal pipe connections, 0.78? outer diameter, 1/2? of thread
   • Size: 2.5? x 1.4? x 1.4?