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…
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…
Please welcome the Arduino IDE 2.0 (with debugger)
While the Arduino IDE provides a simple and clear interface that is ideal for novice users, the more advanced users…
An ESP8266-based WiFi doorbell sends SMS messages
On-line shopping has changed the way goods are acquired. For most packages it is not necessary to be around for…
AvoRipe – Check your Avocado’s Ripeness
It happened to everyone, you buy an avocado, it’s not ripe yet. A few days pass by, and by the…