Robotics Development Board Design

Job ID: 40209900

Budget: ₹12,500 – ₹37,500 INR

I'm looking for an experienced hardware engineer to design an educational robotics board based on the ESP-WROOM-32. This board is intended for prototyping and development and should feature:

- 8 motor pins for DC motors
- 2 servo PWM pins
- Ultrasonic TRIG/ECHO pins
- LED matrix control via I2C, capable of animations
- Optional OLED display on the same I2C bus
- 8 additional GPIO pins
- USB programming interface
- 5V input with 3.3V regulator
- Multiple 5V, 3.3V, and GND pins

Ideal skills and experience:
- Proficiency with ESP32/ESP-WROOM-32
- Strong background in circuit design and embedded systems
- Experience with I2C communication and motor control
- Knowledge of power regulation and GPIO interfacing
- Familiarity with designing for educational/prototyping applications

Please provide samples of relevant work and a brief overview of your approach.