GSM & GPS Projects With Arduino

Measurement Made Simple with Arduino: 21 different measurements covers all physical and electrical parameter with code and circuit

Remote Sensor Monitoring by Radio with Arduino: Detecting Intruders, Fires, Flammable and Toxic Gases, and Other Hazards at a Distance

Arduino: Display Interfacing

Zero to Hero ESP8266

Zen of Analog Circuit Design

ESP8266 Weather Station: Getting Started Guide

Building Your Own Arduino Shields:: Interfacing with the Arduino Using Basic Components

Arduino Projects Vol-I: With Proteus Simulation Files. Don't just read it, Try it...

Programming Arduino: Getting Started with Sketches, Second Edition (Tab)