Circuits DIY – Electronics Tutorials & Projects

Introduction Controlling an appliance using a 5V SPDT relay module and an ESP32-WROOM microcontroller is a very common application used in e…

Introduction Interfacing a pushbutton-controlled LED using an ESP32-WROOM is a simple yet important aspect of learning beginner electronics…

Introduction Interfacing and controlling a limit switch with an ESP32-WROOM microcontroller involves connecting the limit switch to one of t…

Introduction Interfacing a toggle switch with an ESP32-WROOM module involves connecting the switch to one of the GPIO pins of the ESP32-WROO…

Introduction Pushbutton or switch bouncing is a simple yet annoying problem that is very common if you are dealing with any kind of electron…

Overview Pushbuttons are essentially the building blocks of any electronic circuit or design setup. Interfacing it with an ESP32-WROOM micro…

Overview In today's tutorial, we are going to make an "Finger Operated One Second Audible Clock Circuit" using a CD4024 IC. This precise one…

Overview In today's tutorial, we are going to make a "Dual Channel 12 Volt Relay Driver Circuit" using BC547 Transistors. A simple and user…

Overview In today's tutorial, we are going to make an "18W Stereo Hi-Fi Audio Amplifier" using TDA2030 IC. The design comprises a 2x 18W Hi…

Overview In today's tutorial, we are going to make a "Stereo Headphone Amplifier Circuit" using TL072 IC. The designated purpose of this cir…

Overview In today's tutorial, we are going to make a "7-Watt Audio Power Amplifier Circuit" using TDA2003 IC. This compact amplifier is buil…

Overview In today's tutorial, we are going to make a "Universal Battery Charger Circuit" using a BD135 transistor. Here is the schematic of…

Introduction We all buy key chains and many of us have a crazy fascination with them to buy. Thus, there are different kinds of key chains a…

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