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?Key Features :

1. KY-001 Temperature sensor module
2. KY-002 Vibration switch module
3. KY-003 Hall magnetic sensor module
4. KY-004 Key switch module
5. KY-005 Infrared emission sensor module
6. KY-006 Small passive buzzer module
7. KY-008 Laser sensor module
8. KY-009 3-color full-color LED SMD modules
9. KY-010 Optical broken module
10. KY-011 2-color LED module
11. KY-012 Active buzzer module
12. KY-013 Temperature sensor module
13. KY-015 Temperature and humidity sensor module
14. KY-016 3-color LED module
15. KY-017 Mercury open optical module
16. KY-018 Photo resistor module
17. KY-019 5V relay module
18. KY-020 Tilt switch module
19. KY-021 Mini magnetic reed modules
20. KY-022 Infrared sensor receiver module
21. KY-023 XY-axis joystick module
22. KY-024 Linear magnetic Hall sensors
23. KY-025 Reed module
24. KY-026 Flame sensor module
25. KY-027 Magic light cup module
26. KY-028 Temperature sensor module
27. KY-029 Yin Yi 2-color LED module 3MM
28. KY-031 Knock Sensor module
29. KY-032 Obstacle avoidance sensor module
30. KY-033 Hunt sensor module
31. KY-034 Automatic flashing colorful LED module
32. KY-035 Class Bihor magnetic sensor
33. KY-036 Metal touch sensor module
34. KY-037 Sensitive microphone sensor module
35. KY-038 Microphone sound sensor module
36. KY-039 Detect the heartbeat module
37. KY-040 Rotary encoder module

?Key Features :

1. Input: 5 V 1A
2. Charging and discharging indication
3. Size: approximately 22mm * width 17mm * thickness 11mm
4. Internally installed charging and discharging power MOS
5. Preset 4.2V charging voltage, precision ?1%
6. Max 8uA standby current
7. Integration charging management and discharging management
8. Intelligent temperature control and overtemperature protection
9. Integration output overvoltage protection, short circuit protection, overload protection
10. Integration overcharging and over-discharging protection
11. Support trickle mode and zero voltage charging
12. Output:?5 V 1A
13. Lithium voltage: 3 v-4.3 V
14. Ports: Micro USB Android port.?USB port output
15. When charging: red light flashing Full charged: red light for a long time
16. Has protection functions, protects from overcharger/overload (supports charger and discharger at the same time)

?Key Features :

1. Piezo sounders contain a piezoelectric vibration plate (also known as a piezo element) within a molded case.
2. Sound is emitted when a voltage is applied and the piezo element inside the case vibrates.
3. Piezo buzzers generally use less current.
4. Have a higher sound output and a wider operating voltage.
5. Buzzers and Sounders can also be split into Audio Indicators and Audio Transducers.

?Key Features :

1. • Voltage ? Supply : 3.3 V/ 5V.
   • Interface 😕I?C, SPI.
   • Sensing Range 😕?2g, 4g, 8g, 16g.
   • Sensitivity:
   • X : 28.6 LSB/g.
   • Y : 31.2 LSB/g.
   • Z : 34.5 LSB/g.
   • Sensor Type 😕Accelerometer 3 Axis.
   • Dimensions : 28 mm x 14 mm.
   • Weight : 10 gm.
   • Ultra Low Power: 40?A in measurement mode, 0.1?A in standby@ 2.5V.
   • Free-Fall Detection.
   • Tap/Double Tap Detection.
   • Flexible interrupt modes mappable to either interrupt pin Measurement ranges selectable via serial command Bandwidth selectable via serial command
   • Wide temperature range (?40?C to +85?C).
   • 10,000 g shock survival.
   • Support 5V/3.3V voltage input, on-board RT9161 power chip, lower pressure drop faster than the 1117, faster load speed of response, very suitable for high-noise power supply environment.
   • User-selectable resolution
   • Fixed 10-bit resolution.
   • Full resolution, where resolution increases with?g?range, up to 13-bit resolution at ?16?g?(maintaining 4 mg/LSB scale factor in all?g?ranges).

?Key Features :

1. Model : 28BYJ-48
2. Number of Phase : 4
3. Speed Variation Ratio : 1/64
4. Stride Angle : 5.625? /64
5. Rated voltage : DC [5v – 12v]
6. DC resistance : 5v: 60??7%(25?); 12v: 130??7%(25?)
7. Frequency : 100Hz
8. Idle In-traction Frequency : > 600Hz
9. Idle Out-traction Frequency : > 1000Hz
10. In-traction Torque >34.3mN.m(120Hz)
11. Self-positioning Torque : 5v: >29.3mN.m; 12v: >42.1mN.m
12. Friction torque : 600-1200 gf.cm
13. Pull in torque : 300 gf.cm
14. Insulated resistance >10M?(500V)
15. Insulated electricity power : 600VAC/1mA/1s
16. Insulation grade : A
17. Rise in Temperature <40K(120Hz)
18. Noise <35dB(120Hz,No load,10cm)

Key Features:

• The Nano is using the chips ATmega+328P and CH340, not FT232 as official Arduino, so pls. use the driver from our site.
• It is a smallest, complete, and breadboard friendly board. It has everything that Diecimila/Duemilanove has (electrically) with more analog input pins and onboard +5V AREF jumper.
• Nano’s got the breadboard-ability of the Boarduino and the Mini+USB with smaller footprint than either, so users have more breadboard space. It’s got a pin layout that works well with the Mini or the Basic Stamp (TX, RX, ATN, GND on one top, power and ground on the other).
• The Nano can be powered via the Mini-B USB connection, 7-12V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source.
• Learn Arduino Nano with ease: Our ELEGOO Nano Board is the perfect choice for beginners and experts alike, with tutorials available to help you get started.

Key Features :

• • • 16 Characters x 2 Lines
    • Green Backlight
    • 5×7 Dot Matrix Character + Cursor
    • HD44780 Equivalent LCD Controller/driver Built-In
    • 4-bit or 8-bit MPU Interface
    • Standard Type
    • Works with almost any Microcontroller