RFID based Attendance system using Arduino and External EEPROM
In this post we are going to learn how to build a RFID based attendance system using Arduino development board,…
ESP32 Neopixel Status Indicator and Sensor PCB Shield with Wi-Fi Manager
In this project, we’ll create a status indicator PCB shield for the ESP32 featuring two rows of addressable RGB neopixel…
ESP32-CAM with Telegram: Take Photos Control Outputs Sensor Readings and Motion Notifications
In this project we’ll create a PCB shield for the ESP32-CAM AI-Thinker board with a PIR motion sensor, a BME280…
Hands-free Tokens
Hey Geeks, Now I am studying in +2 which is equivalent to 12th Grade. I am very interested in computer…
Making Your Own Photovoltaic 5V System
This uses a buck converter as a 5V Output to charge the battery(Li Po/Li-ion). And Boost converter for 3.7V battery…
Eyesight Guardian – Protect Your Eyes With Arduino
https://youtu.be/DRDmLbAgXZc How often have you used a screen for hours, only to find your eyes feeling strained, tired, and sore?…
Accurate clock just using an Arduino
I started this as an academic exercise, but ended up with a very accurate clock. After running for 5 days,…
Contactless Thermometer using Arduino with SD card temperature logger
In this project we are going to learn how to build an infrared based non-contact thermometer which can be utilized…
Cheap USB to UART Converter using Microchip MCP2200
https://youtu.be/2FcOQE6c_SA Nowadays USB port is used widely for data transactions between electronic devices and computers. In many scenarios, there is…
A compact Raspberry Pi CM4 carrier — Piunora
What is Piunora? Piunora is a development board complete with IO headers, USB ports, and HDMI output. It has an…