This is a sort of sequel to the article ‘2 × single = 1 × dual’. In this case, two dual opamps are combined to make one new quad opamp. This allows many possible variations, and again it all... Read more
Hey there, In this section, I have made a nice conceptual circuit diagram that will help you to understand how ALU inside the computer works. Schematic Diagram: What is ALU? ALU is a combina... Read more
The sound generator shown here uses its built-in loudspeaker as a microphone when it is in the standby state. As soon as it detects a noise that exceeds an adjustable threshold level, it bec... Read more
Description: This section describes several revisions of ESP-WROVER-KIT development board. All versions of ESP-WROVER-KIT are ready to accommodate an ESP-WROOM-32 or ESP32-WROVER module. ESP... Read more
Description: One of first feature-rich evaluation boards that contains several pin headers, dip switches, USB to serial programming interface, reset and boot mode press buttons, power switch... Read more
Description: Small and convenient development board with ESP-WROOM-32 module installed, break out pin headers and minimum additional components. Includes USB to serial programming interface,... Read more
Description: A step upgrade of ESP-WROOM-32 described above with an additional 4 MB SPI PSRAM (Pseudo static RAM). Module is provided in two versions: ‘ESP32-WROVER’ with PCB antenna (shown... Read more
Description: The smallest module intended for installation in final products. Can be also used for evaluation after adding extra components like programming interface, bootstrapping resistor... Read more
How to use a relay with circuit diagrams? A switch operated electrically is known as relay. The current passing through relay’s coil. The coil will generates a magnetic field which is attrac... Read more
Tutorial 1: Pre-requisites to draw schematic diagram What is schematic diagram? A schematic is a symbolic diagram of a circuit. This method is used to understand or analysis the work of a ci... Read more
