TP5100 Single Double Lithium Battery Charging Board
What’s in the board ? TP5100 4.2v 8.4v Single/Double Lithium Battery Charge Management Lion Battery Compatible 2A Charging Board is a double switch buck 8.4V, single cell 4. 2V lithium…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
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Servo motor control using Raspberry Pi PICO
In this post we will see how to use servo motor using raspberry pi PICO
Simple 40 Watt Inverter using CD4047
Parts Required Above is a very basic 40 watt invertor circuit.
How to convert image to base64 string
Why do you need to convert? You may have html file with image and do not want to keep your image file separately with html file. In such case you…
How to send whatsapp messages from your IOT projects
Problem statement You have made an IOT project e.g.: home automation and wanted to send whatsapp messages to your self or some registered number for all the alerts. Here is…
Audio amplifier using PAM8403
This is a basic circuit idea of making audio amplifier using PAM8403 chip. Note that this is readily available as a module. But if you need to try your hands…
Simple FM Radio using TEA5767 Module
Introduction The TEA5767 is a single-chip electronically tuned FM stereo radio module for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and- demodulation. The radio is completely adjustment-free and…
Getting Started with Node Red on Raspberry Pi
What is Node Red ? Node red is an Open Source flow based tool for wiring together hardware devices, APIs and online services. It provides a browser-based flow editor making…
How to enable virtual keyboard in Raspberry Pi
Why do you need virtual keyboard in raspberry pi? Well there can be multiple scenarios when you need virtual keyboard in raspberry pi. You might have added touch screen and…