Blue 3D-Pen for ABS/PLA Filaments

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

Three-axis electromagnetic field sensor module GY-273 including the HMC5883L chip that specifies the direction of the magnetic field of the ground.
Digital Compass GY-273 Compas Magnetometer features:

• Supply voltage: 2.16 - 3.6 VDC,
• I2C interface with SCL, SDA,
• signals - Measurement range: 1.3 to 8 Gauss,
• Measurement resolution: 12 bits,
• Measurement accuracy: 0.73 - 4.35 Gauss,
• Transmission speed 400kHz, 
• Sensitivity 230-1370 LSB / Gs,
• Output frequency: 75Hz,
• DRDY pin interruption,
• Dimensions of 18 mm x 13 mm.

Super capacious 9V battery made in Li-ion technology, direct charging possible via micro USB port!

tested capacity - real capacity - min. 500 mAh, battery precharged to max. 30%.

This module can handle 16 PWM signals, through an I2C connection with devices like microcontrollers or development boards like Arduinos.
It can also be concatenated with other equal modules (up to 62 cards), increasing versatility and allowing you to obtain up to 992 PWM outputs that can be used to connect servo motors or LEDs to change the brightness intensity.
PCA9685 digital servo motor controller 16 channel PWM features:

- Supply voltage: 3-5 VDC,
- Maximum motor voltage: 6 VDC,
- Number of channels: 16,
- Resolution per channel: 12 bits,
- Interface: I2C,
- Working frequencies: 40-1000 Hz,
- PCB size: 62.3x25.3mm .

10x Photoresistor 5mm GL5516 LDR 5-10k for Arduino.
Photoresistor is a resistor whose resistance decreases when increasing the intensity of the light that falls on it. 10x Photoresistor GL5516 LDR features:
- Model: GL5516
- Spectral peak: 540nm
- Maximum DC voltage: 150V
- Maximum power: 90mW.
- Resistance with light (10lux): 5-10KΩ
- Resistance with darkness (0lux): 0.5MΩ
- Response time: 20ms
- Operating temperature: -30ºC - 70ºC

Power Supply Transformer 220V AC/DC 2A 9V features:
- Input voltage: 100 ~ 240V 50Hz
- Output voltage: DC 9V
- Output current: 2A
- DC connector: 5.5 mm x 2.1 mm
- Cable length: Approx. 90 cm
- Indicator of operation: LED diode

Display OLED 0.96" 128x64 White I2C 4 Pin features:
- Interface: I2C (logical level 3.3V)
- Resolution: 128x64
- Angle of view:> 160 degree
- Screen color: white
- Screen Dimension: 2.43cm / 0.96 "
- IC Controller: SSD1306
- Power supply: 3.3V - 5VDC
- Operating temperature: -20 ° C - 70 ° C
- Size: 2.2x 2.8x 1.2 cm / 0.87x 1.1x 0.47 "
- Application: smart watch, MP3, thermometer , instruments, DIY projects, etc ...
- It is an OLED display module with white display and with a dot matrix of a resolution 128x64 and an IC2 interface.
- The display includes the IC driver SSD1306 128 x 64 OLED / PLED Segment / Common Driver.

The Raspberry Pi 4 Model B is the latest product in the Raspberry Pi family of computers. This product is in the 2GB RAM version, with 4GB (B0069) and 1GB (B0067) versions also on offer.