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# Motor dc

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140 Electronics Mini Projects Ideas for Engineering Students

Simple 3 Phase Arduino Energy Meter: Since writing up instructions on how to build a simple Arduino home energy meter which measured the energy consumption for a single phase, I’ve had a number of people ask about modifying it to be a 3 phase energy meter. While there is a range …

101 - 200 Transistor Circuits

Symple Water Level Indicator With Alarm: Hi, people iv seen many posting about Symple [Water Level Indicator with Alarm], some are confusing and difficult to understand for noobs so i thought of making a clean & simple design for every one.

Arduino and AVR projects

La potencia de trabajo de una resistencia común generalmente no se encuentra indicada en el cuerpo de esta pero podemos conocerla con una cierta aproximación en base a sus dimensiones. En las resistencias con dos patitas y bandas de colores, las potencias disponibles van desde 1/8W (1 octavo de watt o también 0,125W) hasta varios … Seguir leyendo La potencia en las resistencias comunes →

Soy ITC, pero me fascina la electrónica también

This article shows how to use an OH137 magnetic switch with an Arduino.

This is a LM338 based power supply which is not complicated and easy to build. I am using the supply for a long time, have no problem yet. Only current adjust is missing but I overcome this situation by using an LCD panel ampermeter. There is no PCB for the circuit. I took a 3x16 copper plate and strip the unused areas by a knife. If you want you can use analog meters instead of LCD panels.

Make Your Own DIY CNC: This instructable outlines the assembly process of my 2nd generation CNC machine which I designed to be simple to build and quiet enough to be apartment friendly. I have included example projects that I have made in the first two weeks of using the …

Program Arduino Using Smartphone: In this Instructable, I have shown you how to program your Arduino Board using your smartphone.

Arduino and AVR projects

Measuring Power and Capacity If you’re measuring power or battery capacity, measuring current will likely be one of the measurements you include. Fortunately, there are several devices on …

I always wanted to do an animation of an Analog VU Meter on newer LCD or in this case OLED. I think the results came out well for a monochromatic display. I normally use a smaller SSD1306 display but it was too small for…

Learning how to use power MOSFETs by building an H-bridge motor control. Includes schematics and circuit examples.