Battery holder 2x 18650 3,7V Parallel Lithium Battery

6 DIP pins and 2 positions DPDT. This switch is widely used to control the operation of many small electronic power projects, including volume and other controls for audio video, dimmer controls for lights.
It is also a great component for DIY. Vertical Slide Switch 3P2T 50V 0.5A features:
- Type: 3P2T
- Contact resistance: 30 MΩ max.
- Insulation resistance: 100 MΩ
- Maximum operating voltage: 50V
- Maximum operating current: 0.5A
- Can support 500 VAC for 1 minute
- Step between pins: 2.54mm / 0.1 "
- Pin size: 4.5x0.5x15 / 0.77 "x0.19"
- Type of current: DC
- Pins to be welded
- Switch action: 2 ON / OFF positions
- Shape of interrupter: rectangular
- Size: 16x6.5x15 / 0.2 "x0.02"

5V Relay Module with 8 opto-coupled channels.
This module can be directly controlled by the microcontroller ( Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL).
8 Channel Arduino 5V 10A Relay Module features:

- Channels: 8 (independent protected with Optocouplers)
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Isolation: Yes
- LED indicator: For each channel
- Dimensions: 54x 135mm

RTC DS3231 clock module with EEPROM 32k.
High precision RTC module.
Can be used in projects of Arduino, PIC, AVR, STM32 and other.
DSC321 AT24C32 with Real Time Clock RTC Battery features:
- Based on DS3231
- EEPROM AT24C32 (32K)
- I2C interface
- LED work indicator
- Includes CR2032 3V battery

- The DHT22 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement - This sensor, unlike DHT11, is capable of measuring negative temperature values ​​and measures tenths of a degree
Characteristic:
- Operating voltage: 3 to 5.5 VDC - Humidity measurement range: 0-100% ± 2% accuracy
- Temperature measurement range: -40ºC to 80ºC ± 0.5º accuracy
- Maximum sampling rate: 2 seconds
Useful links for Arduino / Raspberry programming and projects with Arduino / Raspberry boards:
Write texts on the OLED 0.96 '' screen
- Read the measurements of the temperature / humidity sensor DHT22 / AM2302 on a 0.96 '' OLED screen
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Quantity: 1 meter Characteristic: - Temperature range: -20 to 80 degrees centigrade - Max. operating voltage: 60 V (RMS) - Nom. 1 kHz capacity: 15 pf / ft - Max. pulling force: 15.70 kg - Nominal weight (305 m): 8.2 kg - Min. Radius of curvature: 12.7mm Construction and dimensions of the cable: the Conductor: - Material: CCA - Dimensions of the conductor (diameter of a single cable): 0 , 48 mm (24 AWG) - Conductor outer insulation: polyethylene. - Insulated conductor dimensions: 0.89 +/- 0.05 mm External insulation: - Material: PVC - External dimensions cable: 5.0 +/- 0.20 mm

Level sensor for liquids with float.
The liquid level sensor acts as a switch. The state is changed by means of a magnet located on the float. It can be used to detect liquid levels that are too high or too low.
Ideal for all those applications where it is necessary to control the level of non-corrosive liquids such as water tanks, aquariums.
Characteristic:
- Maximum Load: 50W
- Maximum Switching Voltage: 250V
- Maximum Switching Current: 0.5A
- Maximum charging current: 1A
- Operating temperature: -10ºC to + 60ºC
- Size: 58mm x 18mm

Resistor 10K Ohm 5% 0,25W 1/4W features:
-10K Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

Include 5 different colors, 1 unit of each color.
Also available in batches of 5 and 2 cables. 10x Cables 50cm with Crocodile Clips features:
-Length: 50cm
-Colors: red, green, white, black and yellow
-Cable diameter: 1,5mm
-Quantity: 10 cables