Arduino Voltmeter
Arduino Digital Voltmeter 5V
Get accurate readings for voltage using arduino.
COMPONENTS AND SUPPLIES
ABOUT THIS PROJECT
Arduino Digital Voltmeter is a digital voltmeter which can measure voltage upto 5V.
Watch this video for detailed Information…
CODE
Arduino Code for Arduino Digital VoltmeterC/C++
this is the code for digital voltmeter
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<span id="line-1"><span class="cp">#include</span><span class="cpf"><LiquidCrystal.h></span> </span><span id="line-2"><span class="n">LiquidCrystal</span> <span class="nf">lcd</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span><span class="mi">11</span><span class="p">,</span><span class="mi">5</span><span class="p">,</span><span class="mi">4</span><span class="p">,</span><span class="mi">3</span><span class="p">,</span><span class="mi">2</span><span class="p">);</span> </span><span id="line-3"><span class="kt">int</span> <span class="n">analogPin</span><span class="o">=</span><span class="mi">1</span><span class="p">;</span> </span><span id="line-4"><span class="kt">void</span> <span class="nf">setup</span><span class="p">()</span> </span><span id="line-5"><span class="p">{</span> </span><span id="line-6"> <span class="n">lcd</span><span class="p">.</span><span class="n">begin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span><span class="mi">2</span><span class="p">);</span> </span><span id="line-7"><span class="p">}</span> </span><span id="line-8"><span class="kt">void</span> <span class="nf">loop</span><span class="p">()</span> </span><span id="line-9"><span class="p">{</span> </span><span id="line-10"> <span class="kt">int</span> <span class="n">v</span><span class="o">=</span><span class="n">analogRead</span><span class="p">(</span><span class="n">analogPin</span><span class="p">);</span> </span><span id="line-11"> <span class="n">voltage</span><span class="o">=</span><span class="n">v</span><span class="o">/</span><span class="mi">1023</span><span class="o">*</span><span class="mf">5.0</span><span class="p">;</span> </span><span id="line-12"> <span class="n">lcd</span><span class="p">.</span><span class="n">print</span><span class="p">(</span><span class="s">"voltage="</span><span class="p">);</span> </span><span id="line-13"> <span class="n">lcd</span><span class="p">.</span><span class="n">print</span><span class="p">(</span><span class="n">voltage</span><span class="p">);</span> </span><span id="line-14"> </span><span id="line-15"><span class="p">}</span> </span> |
SCHEMATICS
circuit diagram
This is the circuit diagram of Arduino Digital Voltmeter…
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One Response
very good job!