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?Key Features :

1. • 5V power supply.
   • Serial I2C control of LCD display using PCF8574.
   • The backlight can be enabled or disabled via a jumper on the board.
   • Contrast control via a potentiometer.
   • Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing.
   • Size ?41.6 x 19.2 mm.

?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 :

• • • Current Sense for each motor
    • Heatsink for better performance
    • Power-On LED indicator
    • Dual H Bridge Motor Driver
    • L298N motor driver IC
    • Drives up to 2 bidirectional DC motors
    • Integrated 5V power regulator
    • 5V ? 35V drive voltage
    • 2A max drive current

?Key Features :

1. Voltage: 3.0 V ? 5 V.
2. Output: red laser straightly(650nm).
3. Driver: APC circuit.
4. Size: ? 12.0 x35mm.
5. Line length: about 135 mm.
6. Transmit power: 58mW.
7. Operating Current: 40mA.
8. Operating temperature: -36 ~ 65?C.
9. Pot size: 15 meters spot for ?10 mm ~ ?15.
10. Outer diameter: 6 mm.

?Key Features :

1. 1. 1. Independent interface:
         • The light-emitting module controls the red, yellow, and green lights separately, a total of four independent interfaces.
      2. Fast response:
         • The light-emitting module can respond super fast, with strong anti-interference ability and high-cost performance.
      3. Good performance:
         • The light-emitting module has ultra-low energy consumption, long transmission distance, and is very reliable.

Key Features:

• Model name:?DC-DC LM2596S buck module
• Input voltage:3.2V~46V (recommended for use in 40V)
• Output voltage:1.25V~35V
• Output current:3A (maximum)
• Conversion efficiency:92% (highest)
• Output ripple:<30mV
• Switching frequency:65KHz
• Working temperature:-45 ~ +85
• Dimension:21mm * 43mm * 14mm (length * width * height)

?Key Features :

1. • Mb102 Bread Board
   • 830 Solder-less Points
   • Ideal for Experimenting With Circuit Design In Labs
   • Compatible with resistance, diodes, transistors, LED?s , Capacitors and other types of electronic components
   • Completely reusable
   • Colored coordinates for easy components placement.
   • Phosphor bronze nickel plated spring clips.
   • Accept a variety of wire sizes 20-29 AWG

?Key Features :

1. Breadboard power supply module, compatible with 5V, 3.3V.
2. Apply to MB102 breadboard
3. Input voltage: 6.5-12 V (DC) or USB power supply
4. Output voltage: 3.3V/5V can switch over
5. Maximum output current: <700 ma
6. Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V
7. On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use.
8. Size: 53 x 32 x 23 mm.

?Key Features :

1. Build in ultra low noise linear LDO voltage regulator
2. Build-in on board filters, which reduce noise from motor and other high current electronics
3. All sensors connected to I2C bus
4. You can easily select two I2C address for MPU6050 by soldered jumper
5. Tri-Axis angular rate sensor (gyro) with a sensitivity up to 131 LSBs/dps and a full-scale range of ?250, ?500, ?1000, and ?2000dps
6. Tri-Axis accelerometer with a programmable full scale range of ?2g, ?4g, ?8g and ?16g
7. Digital Motion Processing? (DMP?) engine offloads complex MotionFusion, sensor timing synchronization and gesture detection
8. Embedded algorithms for run-time bias and compass calibration. No user intervention required
9. Power LED
10. Input Voltage: 2.3 ? 3.4V
11. Build in Logic level converter for I2C
12. Digital-output temperature sensor
13. Dimensions?20x16mm
14. Designed for 5V logic level

?Key Features :

1. Good sensitivity to Combustible gas in wide range
2. High sensitivity to LPG, Propane and Hydrogen
3. Long life and low cost
4. Simple drive circuit

?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