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| # | Post Title | Result Info | Date | User | Forum |
| RE: new to electronics and needing some guidance with a circuit . 555 LED lights | 2 Relevance | 9 months ago | Admin | Circuits and Projects | |
| Hi! I checked the circuit on TinkerCad. There were some mistakes, like wrong capacitor connection and value. Here's the edited one: A couple of points worth mentioning here: 1. On running the simulation, TinkerCad shows too much current drawn from the IC and may damage it. 2. This is true if you are running it continuously. In this case, all LEDs are ON at the same time for a very small duration, so it somehow works. 3. Still, not a good idea in the long run. I will suggest: 1. Use a 220-ohm resistor instead of 100. And connect two LEDs per pin to only one resistor. Meaning a total of 8 resistors for an 8-pin. This will reduce the overall current draw from the IC and per pin as well. 2. Better use 330 ohm..but not that it will reduce the brightness of the LEDs further. | |||||
| Answer to: How to use Arduino to read values from a potentiometer? | 2 Relevance | 10 months ago | Admin | Arduino | |
| ... input pin, like A0 on your Arduino This setup allows the potentiometer to act as a voltage divider, and the middle pin will give you a variable voltage between 0V and 5V as you turn the knob. Upload this program: const int potPin = A0; void setup() { Serial.begin(9600); } void loop() { int potValue = analogRead(potPin); // Read value (0–1023) Serial.println(potValue); // Output the value to Serial Monitor delay(100); // Small delay for readability } Once the code is uploaded, open the Serial Mo ... | |||||
| Answer to: Can an oscilloscope measure high DC voltage around 100V? | 2 Relevance | 1 year ago | Admin | Equipments | |
| If you need to measure around 100V DC with an oscilloscope, here’s what to keep in mind: Oscilloscope Limit: Most scopes have a max input rating of ±300V. Exceeding this can damage the scope. Use the Right Probe: Use a 10× probe rated for at least 300V. This ensures the oscilloscope only sees 10V when measuring 100V. Avoid using 1× settings to prevent damage. Stay Cautious: If you’re unsure, double-check the probe’s rating and make sure it’s securely set to 10×. For higher voltages, consider a 100× probe. Always know your scope’s and probe’s specifications. If in doubt, don’t risk it without confirming your setup is safe. | |||||
| Answer to: What is EEPROM in Arduino and how to use it? | 2 Relevance | 2 years ago | Sebastian | Hardware/Schematic | |
| EEPROM (Electrically Erasable Programmable Read-Only Memory) allows you to store data even after the board is powered off. It's non-volatile. This makes it useful for storing things like settings, calibration values, or any data you WAnt to retain. Let's understand the different memory Types in Arduino: SRAM: Works as temporary storage while the program is running. Data in SRAM is lost when the power is turned off. Flash Memory: The Arduino stores your program code here. Like EEPROM, flash memory is non-volatile, but you can't store or retrieve any data d ... | |||||
| Answer to: Difference Between delay() and millis() in Arduino? | 2 Relevance | 1 year ago | Admin | Programming | |
| In-depth explanation of delay() VS millis() in Arduino: What is delay()?The delay(ms) function is a simple WAy to pause your program for a specific duration (in milliseconds). While using delay(), the microcontroller does nothing except WAit, effectively blocking all other code execution. Example: Blinking an LED using delay()Here’s a basic example of using delay() to blink an LED every second: const int ledPin = 13; void setup() { pinMode(ledPin, OUTPUT); } void loop() { digitalWrite(ledPin, HIGH); // Turn LED on delay(1000); // WAit for ... | |||||
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