How to make RF (433mhz)Transmitter and Receiver circuit with NPN Transistor


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Servo motor controlled by Joystick using Arduino & Transceiver - Wireles...

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DC motor controlled by Joystick using Arduino & L298N Motor driver - Wireless Connection

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Circuit Diagram: Required Components: Arduino uno/nano - 1 Nos Battery - 1 Nos DC Motor - 2 Nos L298N Motor Driver - 1 Nos Joystick - 1 Nos Transceiver - 2 Nos Program Code: Transmitter Code: #include <SPI.h> #include "RF24.h" int x_axis = A1; int y_axis = A2; int xvalue; int yvalue; int data[2]; RF24 radio(9,10); const uint64_t pipe=0xE8E8F0F0E1LL; void setup() { Serial.begin(9600); radio.begin(); radio.openWritingPipe(pipe); } void loop() {{ xvalue=analogRead(x_axis); xvalue=map(xvalue,0,1023,0,127); data[0]=xvalue; radio.write(data,1); } { yvalue=analogRead(y_axis); yvalue=map(yvalue,0,1023,128,255); data[0]=yvalue; radio.write(data,1); } Serial.println(xvalue); Serial.println(yvalue); } Receiver Code: #include <SPI.h> #include "RF24.h" const int motorforward = A1; const int motorbackward = A2; const int motorleft = A3; const int motorright = A4; int data[2]; RF24 radio(9,10); // CE,CS
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DC motor controlled by Gyro MPU 6050 using Arduino & L298N Motor driver - Wired Connection

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Circuit Diagram: Required Components: Arduino uno/nano - 1 Nos Battery - 1 Nos DC Motor - 2 Nos L298N Motor Driver - 1 Nos Gyro MPU6050 - 1 Nos Program Code: #include <Wire.h> #include <MPU6050.h> #define motor1_pin1 5 //PWM - Digital Pins #define motor1_pin2 6 //PWM - Digital Pins #define motor2_pin1 9 //PWM - Digital Pins #define motor2_pin2 10 //PWM - Digital Pins MPU6050 gy_521; int16_t ax, ay, az; int16_t gx, gy, gz; int motor1_speed1; int motor2_speed1; int motor1_speed2; int motor2_speed2; void setup ( ){ Wire.begin( ); Serial.begin (9600); Serial.println ("Initializing MPU and testing connections"); gy_521.initialize ( ); Serial.println(gy_521.testConnection( ) ? "Successfully Connected" : "Connection failed"); delay(1000); Serial.println("Reading Values"); delay(1000); } void loop ( ){ gy_521.getMotion6(&ax, &ay, &az, &gx, &gy, &gz); ax = map(ax, -17000, 1
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