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.
In this post we will Learn how to build a real-time ESP32 digital clock using a TM1637 4-digit display and NTP time sync. This tutorial covers complete wiring, Arduino code, WiFi setup, and troubleshooting common issues like ESP32 reset and…
What is an ESP32? The ESP32 is a series of chip microcontrollers developed by Espressif. It is a low cost which makes it easily accessible to the general public. The ESP32 consumes very little power compared with other microcontrollers, and…
In this blog we will learn how to program Raspberry Pi PICO 2 or 2W boards using Arduino IDE. For more details on Raspberry Pi PICO refer my post on the same here. Installation of Arduino IDE First step is…
Below is the Youtube video where I have shown how to repair Aquaguard UV+UF water filter PCB. The symptom was continuous blinking for all three lights in cycle. This scenario was not mentioned in the user manual. Some of the…
Overview Building your own Mini Weather Station using DHT11/22 and Raspberry Pi is a fun and practical way to learn electronics, microcontrollers, and real-time environmental monitoring. In this tutorial, we’ll use a DHT11/DHT22 Temperature & Humidity Sensor along with a…
Why a custom case ? Well I brough 8 inch touch display from Waveshare for my Raspberry pi but I was not able to get any proper case for the display. Most of them was for 7 inch or 5…
To setup pi-hole with Raspberry Pi, first configure static ip address then install pi-hole software
What is MQTT? MQTT stands for Message Queuing Telemetry Transport.MQTT is a lightweight publish/subscribe messaging protocol designed for M2M (machine to machine) telemetry in low bandwidth environments. What Port does MQTT Normally Use?The standard port that MQTT use is 1883.Can…
Why do you need to upgrade to Debian 12 Bookworm ? If you are happy with Bullseye no need to upgrade. Unless there is a specific need do not upgrade. But in case you are like me and love keeping…
Drones, once reserved for the tech-savvy and commercially produced models, have now become an accessible project for DIY enthusiasts. For more details on impact of Drones in todays world read my previous article here. Building your own drone not only…