3Pcs Hc 12 433Mhz Si4463 Si4438 Wireless Serial Port Module 1000M Replace Bluetooth With Antenna

Frequently Asked Questions

• Q: What is the power supply voltage for the HC-12 module? A: The power supply voltage is three point two to five point five volts. It's recommended to connect a one N four thousand seven diode when using over four point five volts.
• Q: What is the default communication distance of the HC-12 module? A: The default communication distance is about six hundred meters. This distance can be adjusted up to one thousand meters in open field conditions.
• Q: How many communication channels does the HC-12 module support? A: It supports up to one hundred communication channels. The operating frequency range is between four hundred thirty-three point four and four hundred seventy-three point zero megahertz.
• Q: What is the default idle current of the HC-12 module? A: The default idle current is sixteen milliamperes. Current consumption varies depending on the module's operating mode.
• Q: What modes does the HC-12 module operate in? A: The module operates in four modes: FU1, FU2, FU3, and FU4. Each mode has different power consumption and communication capabilities.
• Q: How do I connect the HC-12 module? A: To connect the HC-12 module, wire it to a serial port compatible microcontroller. Ensure proper power supply voltage between three point two to five point five volts.
• Q: Can I use the HC-12 module for long-distance communication? A: Yes, the HC-12 can be used for long-distance communication up to one thousand meters. Use FU4 mode for ultra-long distances with a fixed baud rate.
• Q: What is the recommended baud rate for the HC-12 module? A: The default baud rate is nine thousand six hundred bps. The baud rate can be adjusted depending on the operating mode selected.
• Q: Is the HC-12 module suitable for beginners? A: Yes, the HC-12 module is suitable for beginners. It is easy to set up and provides adjustable parameters for different communication needs.
• Q: How do I store the HC-12 module? A: Store the HC-12 module in a dry, cool place away from direct sunlight. Ensure it is disconnected from power to avoid damage.
• Q: What safety precautions should I take with the HC-12 module? A: Avoid exceeding the recommended power supply voltage of five point five volts. Use a one N four thousand seven diode to prevent overheating during extended use.
• Q: What if the HC-12 module doesn't work after setup? A: If the HC-12 module doesn't work, check the connections and ensure the power supply voltage is correct. Consult the user manual for troubleshooting steps.
• Q: Can I upgrade the firmware of the HC-12 module? A: Yes, the HC-12 module supports software upgrades. Follow the manufacturer's instructions for updating the firmware.
• Q: What types of data can I transmit using the HC-12 module? A: You can transmit small amounts of data using the HC-12 module. It's ideal for wireless serial communication in various applications.
• Q: Is there a warranty for the HC-12 module? A: Yes, the HC-12 module typically comes with a manufacturer's warranty. Check with the retailer for specific warranty details and duration.