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circuit is really simple. All you need is an Arduino, the resistor you want to measure, and another resistor with a known value. We’ll set up a voltage divider with the known and unknown resistors.
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One of the best things about being a maker is the ability to make your own...
Here is a project of a sound / audio level LED meter circuit. It can be used as noise meter, loudness meter, sound pressure or VU level meter and also for variety of other related tasks.
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NEW PRODUCT – USB Voltage Meter with OLED Display This USB In-Line Voltage and Current Meter with OLED Display is a lot like the Charger Doctor we carry – if the doctor was a talented s…
Today we are going to build one of the most important tools in sound mixing; A...
Arduino Analogue 'ring' Meter on Colour TFT Display: Yet another Arduino project for the display of sensor readings etc. The example sketch included in the instructable includes the meter drawing function to use in your own projects, the function is not in a library so could be adapted for use with ot…
In this project we are going to make an Arduino pH Meter and learn how to measure the pH of a liquid solution using a gravity pH sensor and Arduino. A 16x2 LCD is used to show the pH value on the screen. We will also learn how to calibrate the pH sensor to determine the accuracy of the sensor.
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This is an analog-style VU meter on a 0.96″ OLED Display. The project has a 0.96″...
In this tutorial we will see how to make an ultrasonic distance meter. Ultrasounds are acoustic waves having a frequency higher than that audible by humans.
In this tutorial, you will learn how to attach a miniature display to your Raspberry Pi and to adjust the Pi's settings to reduce the resolution sufficiently to read the screen.
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