Control LED using Bluetooth on ESP32

ESP32 Microcontroller from Espressif systems have many features like Wi-Fi, Multifunctional GPIOs, Internal Sensors and Bluetooth.…

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How to Convert 5V to 3.3V

When Interfacing Sensor with microcontrollers like the ESP32, STM32 and RP20240 etc., We face voltage level…

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Display Sensor Value on Web Page using ESP32

We know ESP32 can be used as Web Server and it is most suitable for IoT…

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ESP32 Audio File Player Project

Standalone Audio players are readily available in market and its very simple to build, but if…

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Design Logic Gates using Transistors

Logic Gates are essential elements in digital circuit. For to perform logical operations on binary inputs…

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Over The Air (OTA) Update in ESP32

Devices connected with Internet or able to connect with Internet have the advantage of update itself.…

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Random Number Generator using ESP32

Random Numbers are useful in Testing, Data Sampling and Gaming. Generating Random Number is a hard…

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Internal Hall Effect Sensor ESP32

ESP32 Microcontroller loaded with lot of essential features. Internal Hall Effect Sensor is one among them.…

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NOR and NAND Gates using transistor

When Someone ask what are Universal logic Gates? We immediately say NAND & NOR. This because…

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Flip Flop Types and Their Truth Tables

After learning about logic gates, next step is to know and learn about Flip-Flops, these are…

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