ESP32 Keeps Disconnecting or Won’t Power Up? A Safe Troubleshooting Checklist
Diagnose common ESP32 power, USB cable, brownout and Bluetooth problems with a step-by-step checklist before replacing parts.
Projects & Tutorials
Practical electronics, Arduino, ESP32, robotics and STEM project guides from Pandey Electronics.
5 Practical ESP32 IoT Projects for Students and Makers in Hyderabad
Five realistic ESP32 project ideas—from a Wi-Fi sensor dashboard to a Bluetooth rover—with parts, learning goals and safety notes.
L298N vs TB6612FNG: Choosing a Motor Driver for a Small Robot
Compare L298N and TB6612FNG motor drivers for small robots, including voltage drop, current limits, wiring and battery considerations.
HC-SR04 Ultrasonic Sensor with Arduino: Wiring, Code Logic and Accuracy Tips
Learn how the HC-SR04 measures distance, how to connect it to Arduino, calculate readings and troubleshoot unstable results.
How to Build a Line Follower Robot with Arduino: Sensors, Motor Driver and Tuning
Build an Arduino line follower robot step by step: parts, wiring, IR sensor calibration, steering workflow, speed tuning, diagrams and troubleshooting.
A Beginner Robotics Project: Sensor, Servo, LEDs and Arduino
Build confidence with a simple robotics learning path using a controller board, ultrasonic sensor, servo motor, LEDs, breadboard, and jumper wires.