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For engineers, PIC microcontroller has been a godsend. Most often this is the choice of microcontroller for project implementation. We compiled a list of...

This project uses the fundamentals of computer vision to track three different colours: red, blue and yellow. When you run this program, a camera...

IoT has been all the rage over the past couple of years. The extensive use of sensors and wireless connectivity among devices has increased...

Electronics projects are always in high demand. Students work on them to improve their skills, whereas hobbyists like the fun of meddling with technology....

Raspberry is a development board that has made a lot of noise since its introduction to the public. The cost and the wide support...

This article is part of Interesting Arduino Projects Ideas and Topics. We compiled a list of 19 Arduino projects that would be cool to design....

This simple smoke detector is highly sensitive but inexpensive. It uses a Darlington-pair amplifier employing two npn transistors and an infrared photo-interrupter module as...

Here’s a low-cost two-way intercom circuit with musical ringtone that can be made using readily available components (see Fig. 1). Melody generator IC UM66 (IC1)...

This optical smoke detector uses a low-cost, readily-available, slotted, through-scan, infrared photo-switch. When smoke is detected, the relay energises to activate the audio/visual warning...

Man-demon puzzle is like a classic river-crossing puzzle. The missionaries-cannibals—one of the river-crossing puzzles—is a well-known game problem in artificial intelligence, where it is...