Design with RXB12 RF Receiver in Cirkit DesignerThe RXB12 RF Receiver is a compact radio frequency receiver module designed for wireless communication applications. It operates at a frequency of 433.92 MHz, which is a common frequency for remote control devices such as garage door openers, car key fobs, and wireless home automation systems. The RXB12 is known for its low power consumption and high sensitivity, making it a popular choice for battery-operated devices.
This circuit consists of an Arduino UNO connected to an RXN433MHz radio frequency module. The Arduino provides 5V power and ground to the RF module and is configured to communicate with it via digital pin D11. Additionally, a multimeter is connected with alligator clip cables to measure the voltage supplied to the RF module.
Open Project in Cirkit Designer
This circuit comprises an ESP32 microcontroller connected to a 433 MHz RF transmitter and receiver pair. The ESP32 is programmed to receive and decode RF signals through the receiver module, as well as send RF signals via the transmitter module. Additionally, the ESP32 can communicate with a Bluetooth device to exchange commands and data, and it uses an LED for status indication.
Open Project in Cirkit Designer
This circuit is a wireless communication system powered by a 18650 Li-ion battery, featuring an nRF52840 ProMicro microcontroller and an HT-RA62 transceiver module. The nRF52840 handles the control logic and interfaces with the HT-RA62 for data transmission, while the battery provides the necessary power for the entire setup.
Open Project in Cirkit Designer
This circuit appears to be a complex system involving power supply management, GPS and timing synchronization, and data communication. It includes a SI-TEX G1 Satellite Compass for GPS data, an XHTF1021 Atomic Rubidium Clock for precise timing, and Ettus USRP B200 units for software-defined radio communication. Power is supplied through various SMPS units and distributed via terminal blocks and DC jacks. Data communication is facilitated by Beelink MINI S12 N95 computers, RS232 splitters, and a 1000BASE-T Media Converter for network connectivity. RF Directional Couplers are used to interface antennas with the USRP units, and the entire system is likely contained within cases for protection and organization.
Open Project in Cirkit Designer| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | ANT | Antenna connection |
| 2 | GND | Ground |
| 3 | VCC | Power supply (2.1V to 5.5V) |
| 4 | DATA | Data output |
| 5 | GND | Ground (optional for improved stability) |
// RXB12 RF Receiver to Arduino UNO connection
// RXB12 Pin 4 (DATA) to Arduino Pin 2 (Interrupt 0)
void setup() {
pinMode(2, INPUT); // Set the data pin as input
attachInterrupt(0, dataReceived, CHANGE); // Attach interrupt for data reception
}
void loop() {
// Main loop can be used to perform other tasks
}
// Interrupt service routine for handling received data
void dataReceived() {
// Code to handle the received data
}
Q: Can the RXB12 be used with other frequencies? A: No, the RXB12 is specifically tuned for the 433.92 MHz frequency.
Q: What is the range of the RXB12 RF Receiver? A: The range depends on several factors including antenna type, power supply voltage, and environmental conditions. Under ideal conditions, it can typically receive signals from up to 100 meters away.
Q: Can the RXB12 be used with any microcontroller? A: Yes, the RXB12 can be interfaced with any microcontroller that has digital input pins capable of reading the data signal.
Q: Is it necessary to use both GND pins? A: While it is not strictly necessary, using both GND pins can improve the stability of the connection, especially in noisy environments.