5V 2-Channel Relay Module TTL – Dual Channel Control Board
12V 2CH Relay Module is a small and easy to use . Use it to control one 240V power appliance directly from Arduino, Raspberry Pi, and other microcontrollers or low voltage circuits. The 5V 2-Channel Relay Module allows microcontrollers like Arduino, Raspberry Pi, and ESP8266 to control high voltage appliances (AC/DC). This opto-isolated relay board supports 2 independent channels, making it ideal for smart home, industrial, and DIY automation systems.
₹ 72
₹ 129
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| Made In : | India |
The NRF24L01+PA+LNA module is a high-power 2.4GHz wireless transceiver designed for long-range, reliable data communication between microcontrollers. With built-in Power Amplifier (PA) and Low Noise Amplifier (LNA), it significantly increases transmission distance compared to standard NRF24L01 modules. It is widely used in robotics, IoT networks, remote control systems, and wireless sensor networks.
Key Features
- 2.4GHz ISM band wireless communication
- Built-in PA (Power Amplifier) for long-range transmission
- Built-in LNA (Low Noise Amplifier) for better receiver sensitivity
- External SMA antenna for extended range
- SPI interface for easy microcontroller integration
- Supports point-to-point and mesh communication
- Low power consumption in standby mode
Technical Specifications
| Parameter | Specification |
|---|---|
| Module Type | NRF24L01+PA+LNA |
| Frequency | 2.4GHz ISM Band |
| Communication | SPI Interface |
| Operating Voltage | 3.3V DC (NOT 5V tolerant) |
| Data Rate | 250 kbps / 1 Mbps / 2 Mbps |
| Transmission Range | Up to 1 km (open area, with antenna) |
| Antenna Type | External SMA Antenna |
| Power Consumption | Low (sleep mode supported) |
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