PCB

Raspberry Pi LoRa HAT DIY Raspberry Pi LoRa HAT - LoRa Communication between Raspberry Pi and Arduino

Raspberry Pi HAT is an add-on board for Raspberry Pi with the same dimensions as Pi. It can directly fit on the top of…

ESP Modules for Battery Powered IoT Applications Design your own ESP Modules for Battery Powered IoT Applications

The ESP Controllers from Espressif are becoming a widely popular choice for IoT based designs. There are many kinds of ESP…

Voice Controlled Home Automation using Google Assistant Voice Controlled Home Automation using Google Assistant – Control Multiple loads in Online, Manual, and Timer Mode

With the advancement in virtual assistants like Google Assistant and Alexa, Home automation and Voice controlled applications…

Audio Equalizer or Tone Control Circuit with Bass, Treble and MID frequency Control using Op-Amp Audio Equalizer / Tone Control Circuit with Bass, Treble and MID Frequency Control using Op-Amp

Tone control or Active equalizer circuit especially bass, treble, and MID control based Equalizer is an important circuit in…

Power Path Controller System using LTC4412 Power Path Controller System using LTC4412 to Switch between Primary and Auxiliary Power

There are many situations when our circuit design has two power sources such as an adapter and a battery or it can even be two…

5V 3.3V SMPS Circuit Design Design your own Compact 5V/3.3V SMPS Circuit for Embedded and IoT Projects

A crude way to power your DC circuits with AC mains is to use a step-down transformer for stepping down the 230V mains voltage…

Designing 2.4 GHz PCB Antenna How to Design a PCB Antenna for 2.4GHz

Antennas are everywhere these days, most of the mainstream technologies like smartphones, security, and IoT devices use…

Tips and Techniques to Reduce PCB Board Size Tips and Techniques for Designing Small Circuit Boards to Shrink PCB Size

For any electronic product, be it a complex mobile phone or any other simple low-cost Electronics toy, Printed Circuit Boards (…

PCB Layout Design Guidelines for SMPS Circuits PCB Layout Design Guidelines for Switch Mode Power Supply Circuits

Switching power supply is a widely used power supply topology in power electronics. Whether it can be a complicated CNC Machine…

LA4440 Double IC Stereo Audio Amplifier High Power LA4440 Double IC Stereo Audio Amplifier with Bass and Treble Control

The LA4440 is a very popular dual-channel audio amplifier commonly used to build high power audio amplifiers. The IC is known…