The 1-30 Arduino Challenge designed by Dhruv Saidava is a comprehensive program for beginners who are interested in learning how to work with Arduino microcontrollers. The challenge is specifically designed for use in Makerspaces and Atal Tinkering Labs in India, and offers a hands-on, practical approach to learning the basics of Arduino. The challenge consists of 30 different exercises, each of which builds on the previous one, and gradually introduces the learner to new concepts and techniques. Each exercise is carefully crafted to be both engaging and informative, and includes clear instructions, diagrams, and code examples to help the learner along the way. Some of the exercises in the challenge include Blinking an LED, controlling multiple LEDs with pushbuttons, using a potentiometer to control LED brightness, controlling a servo motor with a potentiometer, and making a simple robot that can move forward, turn left, and turn right. Other exercises include using sensors to detect temperature, light, and motion, and using these sensors to control various outputs. The challenge is designed to be accessible to beginners with no previous experience in Arduino, and can be completed in a self-paced, self-directed manner. The program offers a fun and engaging way for learners to develop new skills and knowledge in the exciting field of Arduino programming and electronics.