qxucrg6

Multifunctional test pen

Overview

Specific functions include:
1. Voltage measurement + threshold judgment; the threshold level can be set according to requirements to meet different logic level scenarios, and it has a traffic light indication function;
2. Continuity measurement, and the threshold resistance can be adjusted according to requirements;
3. Diode measurement, measuring the conduction voltage and lighting up one diode;
4. PWM output, convenient for providing a known quantity to test the system in some scenarios, and can also be used to test passive buzzers, etc.;
5. PWM input, which can measure frequency;
6. DC output, simulating a required DC level for testing;
7. It can be connected to an expansion board for joint measurement.

The PCB length is within 10cm, and the PCB can be obtained from JLCPCB for free. Most of the resistors and capacitors use 0402 packages.

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2026-03-26 17:56:45

The real-time clock made with g2553 and ds1302 runs very fast. I don't know why?
This should have nothing to do with the clock settings of g2553.
Ankai chooses ARM architecture, and its new generation of processors will be launched early next year
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:00[/i]
How to use time-sharing control program
How to solve the problem of one controller controlling multiple controlled objects with a fixed program for each controlled object? Some literatures indicate that a time-sharing counter is needed. Doe
Wince development problem, how to simulate 10 serial ports under platform builder.
Wince development question, how to simulate 10 serial ports in platform builder. Then I exported the SDK to developers, Wince seems to have 4 serial ports, how can I simulate 10? ? ?
EEWORLD University Hall----Live playback: IoT display solution using DLP? micro-projection technology
Live playback: IoT display solution using DLP? micro-projection technology : https://training.eeworld.com.cn/course/67757
A CE driver needs to use some functions in another driver
Write a CE driver. To use some functions from another driver. If a USB driver needs to use the read and write functions of the hard disk, what should be done? Of course, the premise is that the hard d

Datasheet More

Circuits More