About Multimeter/Oscilloscope Pro

<h3><b>This Digital Multimeter help you to measure:</b></h3> 1 - Volts 2 - Ohms 3 - Temperature 4 - The light (lx) 5 - Frequency 6 - Amplitude 7 - Oscilloscope included 8 - Sound Generator (sine / square waves) 0Hz - 20000Hz included 9 - Color code resistance calculator 10 - Database for store data! 11 - Inductance meter!! <h3><b>New functions:</b></h3> 1 - Ammeter! <h3><b>2 - Capacitance meter 1nF-10000mF (High accuracy!)</b></h3> <h3><b>3- Now you can save measuring data!!</b></h3> <h3><b>10 - NO ADDS!</b></h3> <h3><b>It's easy to build, you just need:</b></h3> 1 -A arduino uno or nano 2 - Bluetooth module(HC-05 or HC-06) 3 - Temperature sensor(TMP36) 4 - Some resistances. <h3><b>And for Oscilloscope:</b></h3> 1 - A old headphones with 4 pins 2 - Capacitor from 0.1mF to 1mF. MY WEB PAGE : https://www.neco-desarrollo.es <h3>Please watch video tutorial How to use oscilloscope: </h3> https://youtu.be/ZwNe8yEjjxo <h3><b>**For build the circuit follow this**</b></h3> <h3><b>LINK FOR DOWNLOAD SCHEMATIC:</b></h3> http://neco-desarrollo.es/arduino-multimetro <h3><b>LINK FOR DOWNLOAD ARDUINO SKETCH HERE:</b></h3> http://neco-desarrollo.es/arduino-multimetro <h3><b>MY WEB PAGE:</b></h3> www.neco-desarrollo.es <h3><b>If you have any questions to mount the circuit or any other doubt please write us, the mail you can find below</b></h3> <h2><b>Councils to improve accuracy!</b></h2> <h4><b>1 - Check the voltage on the 5v pin of the arduino after connecting everything, because the voltage tends to fall a bit, normally drops to 4.8v so put an exact value in the arduino code, it is important because it is the reference voltage to measure ohms</b></h4> <h4><b>2 - The values of the resistances must be as accurate as possible</b></h4> <h4><b>3 - You must weld all the connections to avoid parasitic resistances</b></h4> <h3>Multimeter/Oscilloscope PRO try it now!</h3>