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Search result for: WA 0821 1305 0400 Service XRF Analyzer Lead Test Wilayah Yogyakarta DI Yogyakarta [[Tiga Pillar]]
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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: Logic Analyzer vs Oscilloscope? | 31 Relevance | 1 year ago | Admin | Equipments | |
| ... SPI, UART, etc. It captures the state of multiple DIgital lines over time, making it super handy when you need to debug communication between devices. For example, if you're working with an Arduino talking to an I2C sensor and you suspect there's a data issue, a logic Analyzer can show you the exact data packets being sent and received. On the other hand, an oscilloscope lets you see the actual WAveform of the signals. This is crucial when you need to check signal integrity issues like voltage spikes, noise, ringing, or timing glitches that a logic analyze ... | |||||
| Answer to: Logic Analyzer vs Oscilloscope? | 14 Relevance | 11 months ago | Tech Geek | Equipments | |
| I often rely on an oscilloscope to see whether a signal is working as expected or to figure out its exact behavior. Since not all signals are DIgital, a logic Analyzer isn’t always the right tool. The oscilloscope is especially useful when you're unsure about a signal’s timing. By viewing it on the scope first, you can determine the correct settings and then use a logic Analyzer more effectively if needed. | |||||
| Answer to: Logic Analyzer vs Oscilloscope? | 14 Relevance | 1 year ago | TechPulse | Equipments | |
| ... it only DIsplays high/low states and lacks the ability to show WAveform details. An oscilloscope, on the other hand, excels in visualizing analog and DIgital WAveforms, providing critical insights into signal integrity, voltage levels, noise, and rise/fall times. It is essential for debugging analog components and mixed-signal systems but typically supports fewer channels. While logic Analyzers are better for multi-line DIgital analysis, oscilloscopes are necessary for understanding WAveform details and ensuring signal quality. Both tools complement ea ... | |||||
| Logic Analyzer vs Oscilloscope? | 14 Relevance | 1 year ago | Philippe | Equipments | |
| Hi everyone, I’m wondering if a logic Analyzer can fully replace an oscilloscope when working with DIgital signals. Are there specific cases where an oscilloscope would still be necessary, or can a logic Analyzer handle all aspects of DIgital signal analysis? | |||||
| Answer to: How to Test a Potentiometer with a Multimeter? | 12 Relevance | 10 months ago | Tech Geek | Equipments | |
| To Test a potentiometer with a DIgital multimeter, first identify the terminals—the two outer pins are the ends of the resistive track, and the middle pin is the wiper. Set the multimeter to resistance (Ω) mode and measure between the two outer pins; the reading should be close to the potentiometer’s rated value (such as 10 kΩ or 100 kΩ). If the value is open (infinite) or significantly DIfferent from the rating, the potentiometer is likely faulty. Next, check the smooth operation of the wiper by measuring between the middle pin and one outer pin while slowly rotating the knob; the resistance should change smoothly without sudden jumps or drops. Repeat the Test with the middle pin and the other outer pin. Signs of a worn-out potentiometer include erratic resistance jumps, dead spots where no change occurs when turning, noisy readings, or an open circuit at certain positions. For more accurate results, avoid touching the metal probe tips with your fingers during measurement to prevent interference from body resistance. | |||||
| Answer to: Is it safe to use the multimeter’s amp setting on live circuits? | 10 Relevance | 8 months ago | Neeraj Dev | Equipments | |
| Definetly not, Dont switch to amps or move the red Lead to the A/10A jack while your probes are on a live circuit. In A mode the meter is basically a short; flipping to it or probing voltage with the Lead in A can blow the fuse, make an arc, or worse. Set the meter and Leads with power off, break the circuit, insert the meter in series, then power up. For mains, use a clamp meter; for 12 V high-current systems be extra cautious or use a clamp/shunt. And always move the red Lead back to V when you’re done to avoid the classic “next-time short.” | |||||
| How to Test a Potentiometer with a Multimeter? | 7 Relevance | 10 months ago | electronic_God | Equipments | |
| In my college lab, there are a lot of potentiometers, and I WAnt to check which ones are still in good condition before using them in circuits. I have access to a standard DIgital multimeter but i dont know whats the correct procedure for Testing them. Also, how can I tell if the potentiometer is faulty or worn out? | |||||
| Answer to: Why Fluke multimeters are so expensive? | 5 Relevance | 7 months ago | Kanishk | Equipments | |
| ... and Leads, stable True‑RMS accuracy, and features like LoZ, VFD filtering, and fast continuity. Add tight QC, long WArranties, Service/parts availability, and strong resale/calibration support, and the cost reflects safety engineering and longevity more than branding. | |||||
| DIY an RF power meter Based on STM32F103 + MAX4003 | 13 Relevance | 2 months ago | anselbevier | Hardware/Schematic | |
| ... for beginners who are new to RF like me, and even the cheapest RF power meters cost hundreds of RMB. For electronics enthusiasts who follow the principle of "spend when you should, save when you can", DIYing an RF power meter is a great alternative. The first step WAs to define the functions and design the hardware circuit. To Test RF power, a chip called a detector is required. I had not found a suitable option for a long time as it WAs my first time working with an RF detector, until I saw the power detection module on the E25-C Test baseboard, which use ... | |||||
| How to identify LED terminals? | 4 Relevance | 2 years ago | Aiden | Theoretical questions | |
| Hi everyone, I'm working on a school project that involves LEDs. I came across an LED where both the anode and cathode Leads are of equal length, making it DIfficult to DIstinguish between them using the typical Lead length method. Additionally, the internal structure of the LED is not visible. What are some reliable methods or techniques I can use to accurately identify the anode and cathode terminals in this situation? | |||||
| RE: How to Identify the Neutral Wire Using a Multimeter? | 3 Relevance | 9 months ago | cooper | Equipments | |
| @circuitsphere This makes sense, but I’m wondering—if there’s a shared neutral across circuits (common in older houses), wouldn’t that still show continuity and confuse the Test? | |||||
| RE: How to Identify the Neutral Wire Using a Multimeter? | 3 Relevance | 1 year ago | cooper | Equipments | |
| @ankunegi If I Test one outlet and find the neutral, is it safe to assume all others follow the same pattern, or should I be checking each one individually? Also, if the voltage between live and earth isn’t close to the expected 220V (or 110V), could that indicate a grounding issue? | |||||
| Answer to: ESP32 not detected. No COM port displayed on my PC | 3 Relevance | 2 years ago | Amelia | ESP32 | |
| I had a similar issue with my ESP32 when I first started using it. In my case, the problem WAs the CP2102 driver. After installing the correct driver, the COM port appeared instantly. If you’re using Windows: Go to the Device Manager. Look for a device under "Other Devices" or "Unknown Devices" when you plug in the ESP32. Install the driver manually by downloading it from Silicon Labs (for CP2102) or (for CH340). If the LED still turns off after all this, it could also be a power issue. Do you have an external 5V power source to Test it? | |||||
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