4x AA battery holder 4-battery holder with 6V switch

Characteristic: -Length: 20cm
-Quantity: 40 cables
-Mono Dupont connectors on both ends
-Compatible with 2.54mm female connectors
-High quality and good working condition
-Easy to install and use

40x Female Male 10cm features:
- Length: 10cm
- Quantity: 40 cables
- Compatible with 2.54mm male connectors
- High quality and good working conditions
- Easy to install and use

Characteristic: - Operating voltage: 3-6V
- Max flow: 80-120 l / h
- Maximum pumping height: 40-110cm
- Continuous working time of 500 hours
- Cable length: 20cm
- Inside outlet diameter: 5 mm
- Outside outlet diameter: 7.5 mm - Dimensions: 45mm x 23mm x 30mm

Lot of 65 Male-Male jumper cables. Characteristic: -No soldering required
-You can easily modify or revise the circuits
-Quantity: 65 cables of different lengths and colors
-Cable lengths: 120mm, 150mm, 200mm, 240mm

IObit v2.0 Expansion board for the micro:bit minicomputer. It allows the connection to all the connectors of the minicomputer through pins.There is also a buzzer on the board. On the back of the module there is a description of the connectors.

It has an ATMega328P chip running at 16Mhz with a factory loaded bootloader
Characteristic:
- Microcontroller: ATmega328
- Operating Voltage (logic level): 5V
- Input Voltage (recommended): 7-12V
- Digital I / O Pins: 14 (6 PWM outputs)
- Analog Inputs: 8 (A0-A7)
- DC Current per Pin I / O 40 mA
- Flash Memory: 32 KB (2 KB used by the bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Frequency: 16 MHz
- USB Communication - CH340
- Dimensions: 18 mm x 44 mm

Microcontroller ATMEGA328P-PU DIP-28 features:
- Series: AVR® ATmega
- Core Processor: AVR
- Package / Case: 28-DIP (0.300 ", 7.62mm)
- Core Size: 8-Bit
- Speed: 20MHz
- Connectivity: I²C, SPI, UART / USART
- Peripherals Brown-out: Detect / Reset, POR, PWM, WDT
- Number of I/O: 23
- Program Memory Size: 32KB (16K x 16)
- Program Memory Type: FLASH
- EEPROM Size: 1K x 8
- RAM Size: 2K x 8
- Voltage - Supply (Vcc / Vdd): 1.8 V ~ 5.5 V
- Data Converters: A / D 6x10b
- Oscillator Type: Internal
- Operating Temperature: -40 ° C ~ 85 ° CFManufacturer: SGS-THOMSON / ST
- RoHS: Yes
- Quantity: 1 unit

3x DC PCB Socket Connector 5.5 x 2.1 features:
- Type: DC female jack
- Diameter of the pin: 2,1mm
- Diameter of the connector: 5.5mm
- Quantity: 3 units