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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: ESP32 vs RP2040 – Which is better after Arduino? | 7 Relevance | 11 months ago | Janet | ESP32 | |
| The table below will definitely give you an idea of what’s best for you, according to me: If your project needs wireless communication and more built-in features, the ESP32 is the better step forward.If you're experimenting on a Budget or WAnt to dive deeper into hardware control, the RP2040 is also a great pick (especially the Pico W if you still WAnt Wi-Fi). Attachment : Screenshot-1583.png | |||||
| Answer to: Why Fluke multimeters are so expensive? | 7 Relevance | 4 months ago | maryjlee | Equipments | |
| ... etc. Tough housing, drop-tests, high-CAT safety ratings. High accuracy, true-RMS, stable calibration. Long lifespan, support and WArranty which reduce long-term cost. If you’re replacing a hobby-meter and don’t work in heavy duty applications, yes you might be fine with a cheaper brand. But if you need one tool that you can trust under serious conditions, the extra cost makes sense. | |||||
| Answer to: ESP32 Vs ESP8266? | 7 Relevance | 1 year ago | Admin | ESP32 | |
| Ok, I will make the choice of choosing between an ESP32 and ESP8266 as simple as possible for you: Price: If you check the online stores, the price of ESP32 is almost double that of the ESP8266. So if you have a tight Budget, ESP8266 is the more WAllet-friendly option. Processing Power: The ESP32 has dual cores and more memory, making it faster and better at handling multiple tasks. The ESP8266 has a single core, which might slow things down if your project is big. Extra Features: The ESP32 comes with Bluetooth (and sometimes more I/O pins), while the ESP8 ... | |||||
| Answer to: Effect of PWM frequency on motors and LEDs | 4 Relevance | 6 months ago | nathan | Theoretical questions | |
| PWM frequency doesn’t change the basic control of speed or brightness (that’s handled by duty cycle), but it does affect how smooth and practical the control feels. For DC motors, too low a frequency can cause audible whining and jerky torque, while using a frequency in the 2–20 kHz range keeps operation smoother and moves the noise above the human hearing range. Going too high can reduce efficiency due to increased switching losses. For LEDs, low frequencies below ~100 Hz cause visible flicker, which is unpleasant and can be noticeable on cameras as well. Frequencies in the 200–500 Hz range reduce flicker significantly, but for professional lighting or display applications, 1 kHz and above is generally preferred to ensure flicker-free performance. | |||||
| Why is LM317 still used over modern switching regulators? | 4 Relevance | 9 months ago | Suraj | Theoretical questions | |
| I’ve noticed that the LM317 linear voltage regulator is still widely used in various hobbyist and even some professional circuits, despite the availability of efficient and compact switching regulators. Considering that switching regulators offer better efficiency, less heat dissipation, and smaller footprints, what are the reasons engineers or designers still opt for LM317 in certain designs? Is it due to simplicity, cost, noise sensitivity, or something else? | |||||
