Browse 500+ Arduino projects with code and circuit diagrams. From beginner tutorials to advanced Arduino project ideas - all with downloadable code and step-by-step guides.

Arduino Real Time Alarm Clock DS3231 with TM1638. Arduino Clock with Battery backup (real time clock), Time, Date, Alarm, Temperature, TM1638 seven segment module output and input, Display Sleep mode.

Discover how to use LTSpice and learn all the essential skills to get started with this industry-standard circuit simulator! LTSpice may not have the slickest interface around, but it remains one of ...

Discover how Red Pitaya can streamline your test and measurement workflow. Join Elektor and Red Pitaya’s Miha Gjura for a live webinar on June 12 to explore signal acquisition, analysis, and real-time ...

A Binary Adder is a digital circuit that performs the arithmetic binary addition of two numbers for the logic operations and laws of Boolean Algebra. The adders are used in combinational circuit ...

Wiring Diagram.png View all files ... Arduino-based occupancy counter with dual ultrasonics, DHT11/MQ-135 environmental sensing, DS3231 RTC timestamping, and SD-card logging. Built for real-time ...