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This instructable describes a mini line follower robot that requires no microcontroller unit for control. The line sensing and steering mechanism is constructed totally using analog circuitry consisting of two OpAmps. The robot is powered by a rechargeable Lithium-ion battery.
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This application note demonstrates color mixing using the PIC12F1572 MCU. The PIC12F1572 microcontroller features three 16-bit pulse-width modulators (PWMs), which allow precise control over each RGB LED, allowing smooth transitions even at low-brightness/luminosity levels. Development efforts are supported by the following features of this demonstration board. • ICSP™ programming connector • EUSART bus tie-in points • USB or battery powered • Multiple test points A color mixing software routine allows developers to specify colors in xyY format with the PIC® device performing color mixing calculations.
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Snowfall is typically measured in inches. However, when it comes to shoveling snow off the driveway, your would probably like to know how dense the snow has accumulated because that is what going to determine how much effort and time you will need to complete the task. This instructable shows how to modify a simple digital weighing scale to construct a snow monitoring scale which could be a nice addition to your DIY weather station.
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This instructable illustrates a simple circuit to play wav sound files stored in an SD card using arduino Nano V3.0.
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The Si7005 is a digital relative humidity and temperature sensor from Silicon Labs. It integrates fully factory-calibrated humidity and temperature sensor elements with an analog to digital converter, signal processing and an I2C host interface in a single monolithic CMOS sensor IC. The Si7005 is available in a “non hand-assembly-friendly” 4×4 mm QFN package, which requires reflow soldering to mount it on a PCB. This breadboard friendly breakout board is designed to make your prototype project with the Si7005 sensor much easier. It can be used with PIC, Arduino, or any other microcontroller development platform through an I2C bus. The power
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