Speed controller for DC motor (PWM) 6V-30VDC 300W 10A 20A

All ports and slots on the case can perfectly match Raspberry Pi 4 Model B. Case does not affect the Wifi signal. Aluminum case for Raspberry Pi 4 model B features:
- aluminum alloy case x 1 pcs. - mounting screw x 1 set - thermal pad x 1 set - screwdriver x 1 pcs. Note: Raspberry Pi board is not included.

Also available with waterproof casing and 100cm cable and 200cm. DS18B20 Temperature Sensor TO-92 0.5ºC Precision 5V Integrated features:
- Device function: Temperature sensor
- Type of output: Digital
- Supply voltage: 3V to 5.5V
- Accuracy: ± 0.5ºC
- Temperature threshold: Programmable
- Operating temperature: -55ºC to + 125ºC
- Encapsulated: TO-92
- Supply current: 1.5mA

Ideal to control the speed of DC motors. Speed controller for DC motor (PWM) 10V-30VDC 3A 120W features:
- Input voltage: 10-30VAC
- Max output DC current: 3A (max 4A)
- Max power: 120W (in case input voltage> 24V)
- Dimensions: 74x47x28mm
- PWM frequency: 500kHz
- Duty Cycle adjustable: 5% -95%
Please note that the voltage applied to the motor will be the supply voltage applied to the circuit

- This module includes PA preamplifier and LNA (Low-noise amplifier)
- Comes with the SMA antenna for 2.4GHz (2dB)
- Outdoor - transmission up to 250kbps and a distance of up to 1 kilometer
- Works at 2.4GHz frequencies (free frequency) and is ideal for telemetry projects, robots, peripherals control, video game control applications, remote temperature sensors, pressure, alarms, etc ... NRF24L01 + Wireless Antenna Transceiver 2.4 GHz 1Km PA LNA features:
* Based on chip NRF24L01 +
* Free band: 2.4GHz ISM
* Speed: 250kbps, 1Mbps, 2Mbps
* Work current
- Reception: 45 mA
- Transmission: 115 mA (4.2uA -sleep mode)
* Receiving sensitivity:
-104dB 250kbps
- 95dB 1Mbps
- 92dB 2Mbps
* SPI interface

Encapsulated with water resistant stainless steel with sensor dimensions 5,5 * 50mm, cable length 100 cm.
DS18B20 Submersible Probe Sensor Temperature features:
- Based on the DS18B20 chip
- Supply voltage: 3 ~ 5.5V
- Consumption <5mA
- Measuring Range: -55 °C to 125 °C
- Accuracy: +/- 0,5ºC
- Outputs: - GND black
      - Red Vcc
      - Yellow digital output
- Inocidable steel
- Cable length: 1m

The optical module (reflective) sensor with CMOS Schmitt inverter 74HC14D, which detects obstacles with high precision. The ideal obstacle detection detector for the installation of smart robots. TCRT5000 - reflective optical sensor that has a compact construction where the light emitter and receiver are placed in the same direction to detect the presence of an object using infrared reflection on the object. The working wavelength is 950nm. The transmitter is infrared LED and the phototransistor receiver.
The sensor allows the detection of an object at a distance of up to 15 mm. TCRT5000 IR Infrared Sensor Module features:
- The module has an output: digital
- CMOS Schmitt inverter 74HC14D
- Power supply: 5V - Range: 0.2 mm - 15 mm

Characteristic: - Supply voltage: 4.5V- 5.5V
- Consumption: 30 mA typical
- Analog output
- Range: 10cm to 80cm
- Dimensions: 29x12mm
- Cable length: 20cm GP2Y0A21YK0F Sharp Analog IR distance sensor 10CM-80CM Arduino

CNC shield for arduino works as a controller for CNC type milling machines,
3D printers, laser cutters .
CNC Shield Expansion Plate V3 Engraver 3D Printer features:

• 4 compatible sockets for use of A4988 stepper motor controllers (PAP), DRV8825, other compatible
• 4 support axes X, Y, Z, A
• 2 limit switches for each axis (6 in total)