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“In this Arduino-based project, you will create a “biomimetic,” or biology-inspired, flower that follows a light source. You have probably seen this behavior in your houseplants! Plants require sunlight to grow and thrive, and “heliotropic” or light-tracking flowers turn to …

“Watching pchretien’s Fibonacci clock last week, I decided to share my LED ring clock project. As you can see the time is represented on two WS2812 LED rings. In the outer ring there are 24 LEDs, it shows the …

“This is an LM741 op-amp built on a breadboard. The LM741 op-amp is an 8 pin IC chip, but I thought it would be fun to build my own on a breadboard. There are four sections to the chip, it …

“This little circuit measures 10mm x 10mm and is probably one of the smallest and most basic light detecting circuits around. You can use the circuit to detect light levels and for example activate a LED to switch on when …

“I love every kind of robots especially the autonomus or intelligent robots, that have a bit more intelligence than avoiding an obstacle. So I decided that I’ll build my own inexpensive intelligent robot that has a build in camera …

“In this project, we will program a RPi and an Arduino, to work together to capture data from sensors, sending them to the Web.”

“The laser harp is an electronic instrument that is played by blocking laser beams. Several laser beams are produced, and a note is played when one of the beams is blocked by the player, similar to plucking a stick on …

“A 4WD Robot Controlled By Android Bluetooth API. Detect Hurdles Using HC SR-04. Using Bluetooth Module HC05 Slave device”

“My aquarium is a Juwel Rekord 800 and has a Juwel feeding machine. I bought the machine to be able to feed my fish on regular times when I’m not around. It’s a great machine, but as an …

“An efficient and real time remote monitoring of agricultural environmental parameters is proposed. The system uses a WSN network from where the data is acquired from sensor nodes and it is transmitted through the wireless transmission protocol, Zigbee from the …