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 :

1. – Diameter:68mm
2. – Width:26mm
3. – Other size refer to below picture
4. – Weight:40g/pc

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. 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 :

• • • Uses CH340G instead of CP2102.
    • Wireless 802.11 b/g/n standard
    • WiFi at 2.4GHz, support WPA / WPA2 security mode
    • Support STA/AP/STA + AP three operating modes
    • Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX)
    • Support UART / GPIO data communication interface
    • Remote firmware upgrade (OTA)
    • Support Smart Link Smart Networking
    • Don?t need to download resetting
    • A great set of tools to develop NODEMCU
    • Lowest cost WI-FI
    • FOR Arduino like hardware IO
    • Greatly speed up your IOT application developing process
    • Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
    • WI-FI MCU ESP12E integrated and easy to the prototyping development kit.
    • We provide the best platform for IoT application development at the lowest cost.
    • NodeMCU has built-in USB-TTL serial with super reliable industrial strength CH340G for superior stability on all supported platforms.
    • Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
    • Event-driven API for network applications, which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.

 Key Features :

1. Measures Inductors with ESR (in ohms)
2. Measures capacitance and ESR
3. Auto Detects and Measures forward voltages of diodes, dual diode, and LEDs
4. Test FETs gate capacitance and turn-on gate voltage
5. Discovers transistor for NPN or PNP type and measures HFE / Gain and Saturation Voltage
6. Test SCR,
7. Can also test voltage regulators including surface mount regulators
8. Measures Resistance, and Adjustable potentiometers
9. Auto operation, Auto detects pinout of transistors, fets, LEDs, diodes and voltage regulators
10. Bright Backlight
11. One-touch operation
12. Battery voltage display at power-up and low battery display