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This is 2000W 220V AC Motor Speed Controller Voltage Regulator
This voltage regulator uses novel bi-directional high-power SCR.
The input voltage of this voltage regulator can be between 110V ~ 220V AC
The output voltage:50V-220V(Output voltage < = Input supply voltage)
The maximum output power is 2000W and the maximum output current is 25A
The size of this SCR is 1.85x1.38x1 inches
The output voltage is adjusted anywhere between 50V-220V for use with electrical appliances.
This has High efficiency, high torque, low heat generating

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This is NRF24L01+PA+LNA SMA Wireless Transceiver Antenna
Uses Nordic Semiconductor's 2.4GHz transceiver, the NRF24L01+.
Comes with many new features, such as additional pipelines, buffers, and an auto-retransmit function.
Board has a reverse-polarized SMA connector and a PA and LNA circuit for long-distance communication.
Achieves a communication distance of 800-1K meters with a transmission rate of 250Kbps on open-air.
Compatible with various systems, including MCU/ARM/PIC/AVR/STM32.
Low cost and software programming is fully compatible with NRF24L01 modules.

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The level conversion circuit board that can interface level is 5V or 3.3V support micro SD card, micro SDHC card (high-speed card)
Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board Communication interface is a standard SPI interface 4 M2 screw positioning holes for easy installation.
Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin Level
Conversion Circuit: Micro SD card into the direction of signals into 3.3V, microSD card toward the direction of the control interface
MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is SPI bus, CS is the chip select signal pin

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In Stock

In Stock

Versatile Control: This 16 Channel 5V Relay Module lets you control up to 16 devices simultaneously.
Optocoupler Protection: Equipped with optocoupler protection, it ensures reliable and interference-free operation.
Universal Compatibility: Compatible with Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, TTL logic, and more.
Industrial Quality: Integrated with industrial-grade optocouplers for robust performance and anti-jamming ability.
Easy to Use: Standard interface and indication LEDs for relay output status make it user-friendly.
Multiple Applications: Ideal for microcontroller development, home appliance control, and PLC extended output.
Reliable Performance: Made with quality components, this module provides efficient and dependable performance.