Micro Servo 9g SG90

MT3608 2A DC Boost Step-Up Adjustable Power Module MicroUSB features:
- Booster module
- The output voltage may be greater than the input voltage
- Use a multimeter to check the output voltage and adjust the potentiometer
- Input voltage: 2-24V
- Output voltage: 5-28V
- Current output: 2A - Operating temperature: -40ºC to + 85ºC
- Conversion efficiency: up to 93%
- Size: 17.5 x 30 mm

5V USB powered water pump. Submersible pump for aquariums. It doesn't make a lot of noise while you're working.

5V water pump with USB connector  for fountain, aquarium, pool, water tank, humidifier, green wall decoration, candle

decoration, solar water circulation,etc.

- The product protects PCB plates, allows for easier welding
- The product protects the printed circuit boards against oxidation and corrosion during storage.
- This allows a faster welding and avoids the "cold welding".
- The application method allows easy distribution of the product on the plates.
- Can be used during production, repair, maintenance and service.
Flux Varnish LT-4 Plate Protector features:
- Shape: Spray
- Capacity: 100ml
- Rosin RMA
- Meets the requirements of DIN 8511, F-SW-31, PN EN 29454 1.1.1.A.
Application:
- PCB protection against oxidation,
- Applied in the production of printed circuit boards immediately after engraving,

5x Rectifier Bridge RB154 - 1.5A / 400V features:
- Maximum reverse voltage: 400 V
- Current Iav 25ºC - 1.5A
- Vf - Front tension: 1.0 V (1A)
- Max. Overvoltage current: 50 A
- Minimum operating temperature: - 50ºC
- Maximum operating temperature: + 150ºC
- Quantity: 5 units

An RS232 serial port to your PC through the USB port USB 2.0 A Serial Port Cable Adapter DB9 RS232 Series features:
- CH341 driver
- Supported OS: WinME, Win2003, Win XP, Vista, Win 7, Linux, MAC OS9.0/OSX
- High quality, shielded cable
- Power and data in the same cable, does not require more adapters
- Compatible USB interface 1.1 and 2.0
- Support up to 1 mega data transfer
- Length 73cm The adapter allows you to connect a computer with: - Electric meters
- Decoders, programmers
- Cash registers
- Satellite TV
- Control panels
- Mobile phones
- Diagnostic interfaces for cars
- The administration of Cisco routers

Ideal for projects with ARDUINO, Smart Car
Detects transparent and translucent obstacles
E18-D80NK Infrared Obstacle Avoidance Sensor Module 3-80cm Smart Car features:
- Current consumption: up to 100 mA
- Supply voltage 5V
- Current consumption <25mA
- Response time of 2 ms
- Measured distance: 3-80cm 15st angle
- Screw to adjust the sensitivity, the back
- Output status led indicator
- Operating temperature: -25°C - + 55°C
- Material: high-strength plastic
- Type of output: normally open, NPN
- Dimensions: 18 mm in diameter, Length 45 mm
- Cable length 55cm
- Departures:
      - Brown: +
      - Blue: -
      - Black: OUT

Rechargeable battery 9V 6F22 Ni-MH 250 mAh Ready to Use features: