Power supply DC 12V 16.7A 200W

This module can be directly controlled by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, from the TTL 8 Channel High Trip 5V 10A Relay Module features:
- Channels: 8 (independent protected with Optocouplers)
- Supply Voltage Vcc: 5Vdc
- Output Current: 10A
- High trip min 3.3V input IN1. ..IN8
- Relay activation current: 5 ~ 10mA
- Isolation: Yes
- Indicator LED: For each channel
- Dimensions: 55x 139mm
- Weight: 120g
COM GND jumper input: connects GND optocouplers and GND of the circuit

Waterproof Electronic ABS Plastic Junction Prototype Box 115x90x55 features:
- Excellent waterproof performance and moisture proof
- Dimension 115x90x55 mm

Totally new and of high quality.
Dissipate the heat of the computer by refrigerating it effectively.
It is used to attach passive dissipaters to graphic memories and chip plates and LED diodes.
Make sure to put the components correctly, once it has dried it will not be able to detach. Adhesive Thermal Paste Glue 10g CPU features:
  - Color white
- Surface drying time [25 ° C, min]: 2- 8
- Hardness: 45 -75
- Tensile strenght (Mpa): 2.0
- Elongation (%): 100
- Thermal Conductivity W / mk:> 1,0
- Volume Resistance (c-in / W): <2.0 x 10 * 15
- Dielectric strength (KV / mm): 20
- Dielectric Constant: 3.0
- Dielectric loss factor (60Hz): 0.003
- Operating temperature (max): 200 ° C

TMC2208 V2.0 Silent Stepstick Stepper, Motor Controller Module + Heatsink

Compared to the TMC2100 module, the TMC2208 controller module emits less heat.

Peltier Ceramic Cell TEC1 12706 12V 60W features:
- Max Power: 60w
- Voltage: 12v
- Max Voltage: 15,2v
- Max Current: 6A
- Temperature Variation: - Peltier effect cell model TEC1-12706, 12v, max 60w and 6A, with a temperature difference between their faces of up to 67ºC

5mm multicolor LED with automatic color change. 7 different colors are emitted and the blinking is fast.

5V fan for Raspberry Pi 3, 4 model B.