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?Key Features :

• • • Works with any USB Bluetooth adapters.
    • Default Baud Rate: 9600,8,1,n.
    • Built in antenna.
    • Coverage up to 30ft.
    • Bluetooth version: V2.0+EDR
    • Operating voltage: 3.3V
    • Default Baud Rate: 9600,8,1,n.
    • Signal coverage: 30ft
    • Item size: 4.3 * 1.6 * 0.7cm
    • Item weight: 3g
    • Package size: 9 * 3 * 1cm
    • Package weight: 8g
    • Commercial Series: Bluetooth module board Series
    • With LED indicator light, use 150mA and 3.3V regulation chip.
    • With VCC.GND.TXD.RXD foot for the Bluetooth
    • With ?Re-seach? button(ON/OFF/WAKE foot for it , external MCU outinput ?High level? can control module to re-seach)
    • Compatible with bluetooth master module?.slave module?or master-slave(whole) module.
    • Input voltage: 3.3~6V
    • Size: 1.55cm*3.98cm

?Key Features :

1. Infrared Sensor with Control Circuit Board
2. The Sensitivity and Holding Time Can be Adjusted
3. Blockade time: 2.5s (Default)
4. Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
5. Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).

?Key Features :

1. Temperature and Humidity displayed in HUGE 1″ high numbers.
2. MAX / MIN Humidity & Temperature are recorded automatically and can be reset by the user
3. Fahrenheit or Celsius readout (changeable by selecting F or C on the back)
4. 12 or 24 hour time modes (changeable by using MODE & ADJ button to set)
5. ALARM function
6. MONTH & DAY display available by pushing ADJ button
7. Integrated back stand for desktop or table use OR hanging hole for wall mounting
8. Power: ONE standard AAA 1 .5v Battery
9. Time, and Temperature display, Humidity display; With the calendar, alarm clock and the maximum or?minimum value of humiture memory functions; the convert of temperature and degree?Fahrenheit, Talkclock.

?Key Features :

1. Operating Voltage: 3.3 ~ 5.5 VDC
2. Output Voltage: 0 ~ 3.0VDC
3. Interface: PH2.0-3P
4. Dimension: 98mm * 23mm (3.86in x 0.905in)
5. Supports Gravity 3-Pin interface
6. Analog output

?Key Features :

1. Mechanical structure, easy to install.
2. This car has tachometer encoder
3. With 4 cell AA battery holder and power switch.
4. Can be used for distance measurement, velocity.
5. Can use with other devices to realize the function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.
6. Gear Motor reduction radio: 1:48.
7. Size: 22cm x 14.7cm, wheel size: 7cm x 7cm x 2.6cm.
8. Note: motor power supply is 3V~6V.

?Key Features :

1. Simple mechanical structure, easy for installation.
2. Adopts 4 DC motors for better power, speed and load capacity.
3. Large and stable Chassis, easy for expansion.
4. Easy interface with Arduino development platform.
5. Enormous space between middle & bottom chassis.
6. This kit is great for DIY Learning, Academic Research, Hobby Projects and Robot Competitions.

?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