Electric precision drill & gringer 12V

Metal casing with Internal magnet. Power 2W, Impedance: 8 Ohm, Shape: Round, Thickness: 5.3mm / 0.21 ", Diameter: 40mm / 1.6" 

LED 10-Segment Bar Graphics Display Red features:
- Bargraph LED display
- Number of segments: 10
- Size: 5mm - Dimensions: 25x10mm
- Material GaAsP / GaP
- Color: red
- Wavelength: 635 nm
- Vf / forward /2.1 V
- I fw / forward / 30 mA
- Iv / Ifw = 20mA / 4 mcd
- Number of terminals: 20

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"

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

Integrated Circuit Supports DIP28 Width 10.16 mm features:
- Type: DIP DIL
- Total number of pins: 28
- Step between pins: 2.54 mm
- Material: Polybutylene terephthalate
- Length: 33.02 mm
- Width: 10.16 mm
- Min temperature: -25 °C
- Max temperature: +85 °C
- Compliant with the RoHS standard

Momentary Pushbutton Switch N/A NO 2A 36V 16mm Stainless Steel features:
- Type of operation: momentary (automatic return)
- Contact switch: 1 NA (normally open)
- Max Switch Classification: 2A / 36VDC
- Type of terminal: Screw
- Body material: Stainless steel
- Button Material: Stainless steel
- Protection Classification: IP67 / IK08
- Operating temperature: -20C + 55C

Manufacturer: Taiwan Semiconductor 5x Voltage Regulator LDO 3.3V DC SOT223 SMD LM1117 TS1117BCW-3.3 features:
- Type Output: fixed
- Voltage Output: 3.3 V
- Output Current: 800mA
- Max input voltage: 12V
- Operating temperature: -20C to + 85ºC
- Encapsulated: SOT223
- Dropout Voltage Vdo: 1.3V (1A)
- Quantity: 5 units