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.
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 a simple way to send messages in whatsapp using Whatabot…
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 on it or want to modify it following circuit may…
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 only requires a very few external components. The digital tuning…
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 it very easy to use and it requires little programming…
Introduction In this post we will see on controlling RGB LED using raspberry pi and python. RGB LED means red, blue and green LEDs. RGB LED products combine these three colors to produce over 16 million hues of light. Things…
Raspberry Pi computer with a Camera Module port All current models of Raspberry Pi have a port for connecting the Camera Module. Raspberry Pi Camera module Note: If you want to use a Raspberry Pi Zero, you need a Camera Module…
This is in continuation with my earlier post on unboxing 8 inch Waveshare LCD display Here we will see how we can connect 8 inch Waveshare LCD display to Raspberry Pi. Hardware connection Use the 15PIN FPC cable to connect…
Introduction 8inch capacitive touch screen with a hardware resolution of 800 × 480 with refresh rate of 60hz Capacitive touch panel, support 5-point touch. Supports Pi 4B It can be connected directly to Raspberry Pi using DSI interface Working with…
Checking Raspberry Pi Revision Number & Board Version Each Raspberry pi variant has different revision number. Below table lists the variant available now. Model and PCB Revision RAM Revision Pi Revision Code from cpuinfo Model B Rev 1 256MB 0002 Model…
Matrix style keypads with Arduino is very handy and easy to use for any input required. It can be used to enter passwords, control games and robots. What is needed Arduino UNO Keypad 4*4 ( you can also use 4*3 keypad…
