1️⃣ PCA9685 – 16-Channel PWM Driver
Why it rocks:
Controls up to 16 servos or LEDs with just 2 I2C wires.
Perfect for walking robots, robotic arms, or anything servo-crazy!
🛠 Use case:
Great for humanoid bots, hexapods, and animatronics.
2️⃣ HC-SR04 – Ultrasonic Distance Sensor
Why it rocks:
Cheap and reliable way to measure distance. Avoids obstacles like a boss.
🛠 Use case:
Self-driving robots, object detection, anti-collision systems.
3️⃣ L298N – Dual H-Bridge Motor Driver
Why it rocks:
Drives two DC motors (or one stepper), allows direction and speed control.
🛠 Use case:
Perfect for wheeled bots, tank tracks, or any mobile base.
4️⃣ MPU6050 – Gyroscope + Accelerometer
Why it rocks:
Gives your robot a sense of orientation. Reads tilt, movement, balance.
🛠 Use case:
Balancing bots (like a Segway), drones, robotic arms with smooth movement.
5️⃣ NRF24L01 – Wireless RF Module
Why it rocks:
Enables fast, low-power wireless communication between robots or controllers.
🛠 Use case:
Remote control bots, swarm robots, robot-to-robot chatting 😄
⚡ Bonus Picks:
- OLED Display (SSD1306) – for showing data/status.
- IR or Bluetooth module – for remote control.
- RTC module (DS3231) – if your bot needs to track time.