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“The LM555 generates an electronic horn signal which is amplified by an LM386. The tone and gain of the horn can be easily varied. The horn can be used in a car, scooter, cycle, and motorbike.”
“A funny looking robot in the form of a plant, that interacts with some sensors inputs, talks, plays music and detects human movement. Rory is a funny looking robot in the form of a plant, which interacts with some inputs …
“This is Zappette The Robot Clock! Years ago I made Zappo The Robot Clock for my son. Now I needed to make one for my daughter. Zappette is an Arduino microcontroller based, fully functioning alarm clock and MP3 player with …
“Wireless Audio is already a technically advanced field where Bluetooth and RF Communications are the main technologies (although most commercial audio equipment works with Bluetooth). Designing a simple IR Audio Link Circuit would not be beneficial when compared to the …
“Billy Bass and Alexa combine in this project to form a full bodied virtual assistant. Materials Billy Bass in the Toronto Tool Library surgery room. Big Mouth Billy Bass _Echo Dot 2nd Generation Arduino Uno Arduino Motor Driver Shield LM386 …
“Sit back, relax and let the robot do the work. At the same time the grass becomes thick and lush due to the constant mowing. No more grass cuttings - sounds to good to be true….. and by the way you …
“Welcome again to another basic but useful instructable, in this time we’ll show u how to create a mini amplifier with the LM386 IC, using minimal quantity of components and cables :) Let’s find out how to make it …
“Today, we will use the STM32 Maple Mini to do an AC reading. In our example, well get the RMS value of the power grid. This is very useful for those who want to monitor the electrical network for the …
“The Boldport Cordwood has 6 LEDs. My guitar has 6 strings. So let’s make a tuner.. The Boldport Cordwood has six LEDs. Six is one of my favourite numbers .. like the number of strings on a standard guitar. So …
“Project: Ultrasonic 40khz modulation data communication (text transmission) Parts list: 1) Ultrasonic transducer TX and RX (which i desoldered from a HC-SR04 module) 2) LM386 to amplify the received signal 3) LM393 for comparing the signal once amplified 4 …