Notifications
Clear all
Search result for: WA 0812 2782 5310 Katalog Harga Rolling Door One Set Murah Lendah Kulon Progo
| # | Post Title | Result Info | Date | User | Forum |
| Why should one buy original Arduino boards and not clones? | 2 Relevance | 2 years ago | TechPulse | Arduino | |
| I’ve never fully understood why people insist on buying original Arduino boards when clones are so easily available at much lower prices. Is there any real issue someone might face if they opt for a clone instead of the original? | |||||
| RE: STM32 vs Arduino: Which One is Better? | 2 Relevance | 2 years ago | Admin | Hardware/Schematic | |
| @catelectronics It depends. Can you explain the project or application for which you will use the microcontroller? | |||||
| STM32 vs Arduino: Which One is Better? | 2 Relevance | 2 years ago | catElectronics | Hardware/Schematic | |
| Hi all, I’ve been using Arduino for a while, but recently I heard that STM32 microcontrollers are more powerful than Arduino boards. Now I’m a bit confused about whether I should switch to STM32 or upgrade to other Arduino boards. Can anyone explain the key differences between them to help me choose the best option for my projects? thank you | |||||
| Answer to: Is it safe to use the multimeter’s amp setting on live circuits? | 2 Relevance | 7 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.” | |||||
| Answer to: Setting multiple pins as OUTPUT | 4 Relevance | 2 years ago | nathan | Programming | |
| Here's an example using a for loop to configure 8 digital pins (from pin 2 to pin 9) as outputs: int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9}; // Array of pin numbers void Setup() { for (int i = 0; i < 8; i++) { pinMode(ledPins[i], OUTPUT); // Set each pin as an output } } void loop() { // Your code to control LEDs goes here } If the pins are not in a series, you can still use an array: int ledPins[] = {2, 5, 7, 8, 10, 12, 13, A0}; // Array of specific pin numbers void Setup() { for (int i = 0; i < 8; i++) { pinMode(ledPins[i], OUTPUT); // Set each specified pin as an output } } void loop() { // Your code to control LEDs goes here } | |||||
| Answer to: Why are there two separate registers in 74HC595? | 3 Relevance | 10 months ago | Admin | Circuits and Projects | |
| Let me break this down step by step: The 74HC595 shift register works in three key stages/phases: Shift Register (SRCLK-controlled)This is made up of 8 flip-flops connected in series, forming an 8-bit shift register. As each clock pulse is applied to SRCLK, the data on the SER (serial input) pin is shifted through these flip-flops One bit at a time. Storage Register (RCLK-controlled)These are another Set of 8 flip-flops, but unlike the shift register, they are not cascaded. Instead, each One takes input from its corresponding flip-flop in the shift register. When a rising edge is applied to RCLK, all 8 bits from the shift register are latched into the storage register simultaneously. Tri-state Output Buffers (OE-controlled)Each output pin is connected to a tri-state buffer. These buffers control whether the output pins are actively driving the stored values or are in a high-impedance (disabled) state. This is controlled by the OE (Output Enable) pin. How is data flowing? After 8 SRCLK pulses, the serial data has fully shifted through the shift register and is now present at the inputs of the storage register. A single RCLK pulse latches all 8 bits into the storage register. If the output enable (OE) is active (typically low), the latched data is made available on the Q0–Q7 output pins. Now, to answer your question, what is the need for a separate 'storage register'? Without it, the outputs would directly reflect the shifting process — meaning the output pins would change with every SRCLK pulse as data moves through the shift register. This would result in unintended flickering or unstable outputs while new data is being loaded. The storage register acts as a buffer, holding the previous stable output until you're ready to update it. Only when RCLK is triggered does the new data get transferred all at once to the output pins — ensuring clean, controlled updates. | |||||
| Answer to: How to identify LED terminals? | 3 Relevance | 2 years ago | Sebastian | Theoretical questions | |
| Hi Aiden, To identify the anode and cathode of an LED, start with a visual inspection. Typically, the longer lead is the anode, and the shorter One is the cathode. If this method is not possible, another helpful visual indicator is the presence of a flat spot on the LED’s rim, which marks the cathode. If the internal structure is visible, the larger metal piece (die) inside the LED is connected to the cathode. If visual cues are unclear, electrical testing can be performed. Using a multimeter Set to diode mode, place the probes on the leads; a reading will indicate that the anode is connected to the positive probe. Alternatively, you can connect a battery and resistor, attaching the positive terminal to One lead. If the LED lights up, the connected lead is the anode. hope this will help | |||||
| Answer to: What are some innovative ways to use an HC-SR04 ultrasonic sensor? | 2 Relevance | 11 months ago | abhinav singh | Arduino | |
| There are a lot of WAys you can use the HCSR04 Ultrasonic sensor. Try making a gesture-controlled light switch—wave your hand to turn it on! Or build a musical instrument that changes pitch based on how far your hand is. If you WAnt something practical? Try to Set up a smart trash can that opens when you get close, or count how many times you do push-ups with a sensor tracking your chest movement. You could even rotate it on a servo to scan a room like a mini radar. The possibilities are endless. | |||||
| How to Integrate Amazon Alexa with Arduino Cloud? | 2 Relevance | 1 year ago | CircuitSphere | Arduino | |
| Hi everyone, For our school project, we’re building a robotic car that can be controlled using voice commands. We WAnt to integrate Alexa with Arduino IoT Cloud to make this possible but don't know how to Set it up. What’s the best WAy to connect Alexa to Arduino IoT Cloud, and what challenges should we be aware of? | |||||
| NPN vs. PNP: What's the difference? | 1 Relevance | 1 year ago | Electronix | Theoretical questions | |
| I'm building my first Arduino project and learning how to use transistors as switches. During my research, I noticed that both NPN and PNP transistors are used in different circuits. This got me thinking—why do we need both types? Can’t One just be connected in reverse to perform the same function? I’m trying to understand the practical differences between them and when you’d choose One over the other, especially in microcontroller-based switching applications. | |||||
| Answer to: Raspberry Pi OS vs Ubuntu vs DietPi — Which one is better? | 3 Relevance | 10 months ago | Dinesh bhardwaj | RPi Pico | |
| I’ve tested all three — Raspberry Pi OS, Ubuntu, and DietPi — and honestly, each One has its strengths depending on what you’re trying to do. If you're using a lower-end model like the Pi 3 or Zero, DietPi is a beast in terms of performance. It's super lightweight and boots fast, with very minimal background processes. Great for headless or server-style Setups. Raspberry Pi OS is the most balanced in my opinion. It’s stable, well-supported, and has excellent compatibility with GPIO, camera modules, and most accessories. Plus, it’s officially maintained by the Pi Foundation, so updates and long-term support are pretty solid. Ubuntu (especially Server) is decent, but I’ve found it to be a bit heavier on Pi 3 and not ideal for Zero. It works better on Pi 4, and is nice if you're already used to Ubuntu on desktops or other servers. That said, sometimes peripherals or GPIO need extra tweaks to work smoothly. In terms of ease of use — Pi OS with Desktop is very beginner-friendly. DietPi is command-line based but has a great first-boot installer that lets you choose only what you need, so it’s pretty efficient. Ubuntu is more for those who are already comfortable with Linux. For community and support, Pi OS is the winner. Tons of tutorials, help forums, and guides tailored specifically to the Pi. DietPi and Ubuntu both have good communities too, but they’re a bit more general. My personal picks: For simple or GPIO-heavy projects → Raspberry Pi OS For lightweight, headless, or server projects → DietPi For more advanced server use on Pi 4 → Ubuntu Server Hope that helps — happy to share more if you’ve got a specific use case in mind! | |||||
| Answer to: Moore vs Mealy State Machines – Which One Should I Use? | 3 Relevance | 10 months ago | Yvette | Theoretical questions | |
| ... behaviors: Moore outputs change only on state transitions (i.e., clock edges), while Mealy outputs can respond immediately to input changes without WAiting for a state transition. In practice, this means that Moore machines are more stable and less prone to glitches, making them easier to simulate and debug. However, they may require more states and often have a One-clock-cycle delay in response. On the other hand, Mealy machines can be more efficient, often requiring fewer states and providing faster responses, but they can suffer from glitches if the inp ... | |||||
| Answer to: Pi Pico VS UNO: Which one is best for beginners? | 3 Relevance | 2 years ago | Admin | Arduino | |
| If you are entirely new to microcontrollers and programming, the Arduino Uno might be the better choice due to its simplicity, robust community support, and abundance of beginner-friendly resources. This can help you build confidence and understand the basics of electronics and programming. On the other hand, if you have some programming experience or are specifically interested in learning MicroPython, the Raspberry Pi Pico offers a more powerful platform with flexible programming options. It can be a bit more challenging to start with but provides more room for growth as you advance in your projects. The Pico has a faster processor and more memory than the Arduino Uno, making it suitable for more complex projects. However, the Arduino IDE is very beginner-friendly and easy to use. You can even program the Pico using the Arduino IDE. One last point: the original Pico is priced at just $5, almost four times less than the original Uno, which is priced at $25. However, you can get a clone of the original Uno from other manufacturers for around $7. So the choice is yours. | |||||
| RE: How to Identify the Neutral Wire Using a Multimeter? | 1 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? | |||||
