Multimeter/Oscilloscope

1.8.0

NECO

4.11

1,528 reviews

500,000+
Downloads

Free

Multimeter/Oscilloscope in your smartphone.

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Multimeter/Oscilloscope turns your Android device into a versatile digital meter and oscilloscope, ideal for DIY electronics and Arduino projects. It measures volts, ohms, temperature, light, frequency, and amplitude, includes an integrated oscilloscope, and supports saving measurement data for later analysis. With 500,000+ total downloads and a 4.08 average from 1,521 ratings, it’s a solid pick in the TOOLS category.

Pros & Cons

Extensive measurement coverage across volts, ohms, temperature, light, frequency, and amplitude
Integrated oscilloscope for real-time waveform analysis
Capacitance and inductance meters included
Data logging and easy data saving for later review

Sound generator is available only in the Pro version.
Full DIY usage may require external hardware (Arduino, Bluetooth module, sensors) to realize the complete setup.

About Multimeter/Oscilloscope

Multimeter/Oscilloscope is a tools app developed by NECO.

Download Statistics

Multimeter/Oscilloscope has been downloaded 800 thousand times. In the last 30 days, the app was downloaded 3.8 thousand times.

User Ratings

Multimeter/Oscilloscope is rated 4.11 out of 5 stars. The rating is based on 1.5 thousand ratings.

App Information

Multimeter/Oscilloscope is FREE to download. The APK download size is 14.85 MB. The latest version available is 1.8.0. The last update was on January 9, 2025.

Technical Requirements

Multimeter/Oscilloscope requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play December 2017.

Description

This Digital Multimeter/Oscilloscope help you to
measure:
1 - Volts
2 - Ohms
3 - Temperature
4 - The light (lx)
5 - Frequency
6 - Amplitude
7 - Oscilloscope included
8 - Sound Generator sine/square wave 0Hz - 20000Hz included(in version pro)
9 - Color code resistance calculator
10 - Save measuring data!!
11 - Added capacitance meter from 1nF to 10000 mF
12 - Inductance meter!
It's easy to build, you just need:
1 -A arduino uno or nano
2 - Bluetooth module(HC-05 or HC-06)
3 - Temperature sensor(TMP36)
4 - Some resistances.
And for Oscilloscope:
1 - A old headphones with 4 pins
2 - Capacitor from 0.1mF to 1mF.

MY WEB PAGE : https://www.neco-desarrollo.es

Please watch video tutorial How to use oscilloscope:
https://youtu.be/ZwNe8yEjjxo
**For build the circuit follow this**
LINK FOR DOWNLOAD SCHEMATIC:
http://neco-desarrollo.es/arduino-multimetro

LINK FOR DOWNLOAD ARDUINO SKETCH HERE:
http://neco-desarrollo.es/arduino-multimetro

MY WEB PAGE:
www.neco-desarrollo.es

Councils to improve the precision:
1 - Check the voltage of 5v pin of arduino after connecting everything, it is the reference voltage to measure ohms when connecting the bluetooth module the voltage drops a bit, it can be in 4.8v, put exact value in the arduino code
2 - The values of the resistances must be precise
2 - You must weld all the connections to avoid parasitic resistances
Multimeter/Oscilloscope try it now!

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More data about Multimeter/Oscilloscope

Price	Free to download
Total downloads	800 thousand
Recent downloads	3.8 thousand
Rating	4.11 based on 1.5 thousand ratings
Ranking	Not ranked
Version	1.8.0
APK size	14.9 MB
Number of libraries	33
Designed for Android	4.4+
Suitable for	Everyone
Ads	Contains ads

App Performance Report

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Alternative downloads for the Multimeter/Oscilloscope app

Multimeter/Oscilloscope compared with similar apps

Common keywords of similar apps

Arduino Multimeter Resistances Voltage Ohms Included Code Build Bluetooth Module Hc Web Page Https Link Http Neco Multimetro Connecting Oscilloscope Measure Temperature Meter

Keywords missing from this app

Sound Noise Time Level Data Db App Measurement Decibel Frequency Sensor Display Amplitude Microphone Real Audio Signal Color Analysis Readout Measurements Light Detector Fft Graph Perfect Tool Screen Analyzer View Spectrogram Rate Record Sensors Environmental Exposure Mobile Features Recent Added Phone Mode Size Response Tools Export

Google Play Rating history and histogram

Rating history

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130

150

Downloads over time

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Multimeter/Oscilloscope has been downloaded 800 thousand times. Over the past 30 days, it averaged 130 downloads per day.

Changelog of Multimeter/Oscilloscope

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Developer information for NECO

NECO

necodesarrollo@gmail.com

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Comments on Multimeter/Oscilloscope for Android

★★★★★ Stealthmode Hu · Nov 17, 2020

As an Applied Physcist-Electronics Engineer on the go. This app is 110% functional as a dmm, or oscilloscope. The ads can be removed if you actually buy it. And even those are not as bad as someone below states. The developer could easily just make this a complete app without the arduino add-ons, take an usb / USB-c cable, and connect leads to it.

★★★★★ Chester Hamby · Apr 11, 2024

Five stars inertial rating in trust that I will be informed as to how to operate it, how to connect it ect. The opened app prompts me click the link below for operations instructions,,,. Um, but, ahh well there is NO LINK BELOW to click, no instructs and no directions to inform me pertaining to "How-to-Connect,,,. Remediation for header message that states, "Not Connected ". In actuality, Not Informed. Please help.

★★★★★ Armstrong Lacson · Oct 1, 2021

Excellent, DCA direct current, how AC alternating current if u want test to ac current no available setting ac selector.

★★☆☆☆ Kezang Dorji · Jul 17, 2020

Please make pro virsion is also available in my country

★☆☆☆☆ Steven Patrick Bro · Sep 30, 2025

I don't know why it's quite disappointed...🇨🇦

★★☆☆☆ Michael J. · Mar 28, 2021

It was a fine app, but it was not easy to assemble. I was looking for something that doesn't require an arduino

★☆☆☆☆ Rhyan Mayangitan · Aug 13, 2020

This app suck. Need Arduino For This App!

Google Play Rankings for Multimeter/Oscilloscope

This app is not ranked

Technologies used by Multimeter/Oscilloscope

15 permissions · 33 libraries

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Trust & Safety: The app requests standard permissions (INTERNET, BLUETOOTH, RECORD_AUDIO, WAKE_LOCK) and advertising-related services (AD_ID); it relies on typical device permissions and includes ad services as indicated by its developer features.

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