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1 answer
98 views

I need to do this project: Design a circuit that includes an Arduino Uno board, a temperature and humidity sensor (22DHT), two dot matrices with drivers, a touch sensor, and some resistors. The ...
3 votes
1 answer
96 views

So I have this problem where i want to make a pattern of LEDs such that the most uniform light is achieved within an area on a plane 5cm away. I can't change the power of the LEDs individually and I ...
0 votes
1 answer
76 views

I am trying to turn on the LD3 LED (connected to PB3) on the NUCLEO-L031K6 board using direct register access without libraries, but it is not working. The LED does not turn on in the wokwi simulator. ...
4 votes
2 answers
158 views

I am trying to run an LED matrix using an FPGA. The specifics are a TinyFPGA BX, wired into this board (driver chip datasheet), connected to this screen. Before this, I managed to drive this matrix ...
1 vote
2 answers
76 views

We are trying to code two Adafruit 8x8 NeoPixels, but only one of them is lighting up with our designated pattern. We want the other one to mirror the same pattern, but the code we have isn't working. ...
Sara's user avatar
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0 votes
1 answer
104 views

I am trying to program an ATmega328P to control an LED using an HC-SR04 sensor and a push button. My goal is for the sensor to turn ON the LED (like turn on a light in a room) when something passes ...
0 votes
0 answers
26 views

I seem to have an issue where, when I send 33 bits out through 5 shift registers to LEDs (only using one output on the final register) it loops through array entries 1-15 just fine, but then flashes ...
0 votes
0 answers
77 views

I am super new to programming with MicroPyton. I watched a couple viddeos on circuit python as I wanted to get my Pico Pi W connected via bluetooth to be able to contorl the LEDs I attached to it. ...
0 votes
0 answers
59 views

I starting to learn stm32 and struggling with this code to blink a LED connected to Pin A1 of STM32F103C8T6. Can someone help me with this. This is my code: #include <stm32f10x.h> void ...
HDK's user avatar
  • 1
0 votes
1 answer
593 views

I wonder if anyone has any experience with the Web USB and controlling a LED strip. I have a basic LED strip. I can connect the device from the browser js, but when I try to do device.open() I'm ...
1 vote
0 answers
73 views

I wrote a python script using the rpi_ws281x library that can animate an led strip attached to my rpi. The time it takes to run strip.show() in color_fade takes longer than when updating it directly ...
0 votes
1 answer
52 views

I am trying to control the intensity of an LED using a PWM port on an Arduino, and capture with a camera the resulting brightness of the LED at a given setting. What I would expect is that at a ...
0 votes
1 answer
81 views

This is a simple Arduino UNO project that can turn on and off the LED light with push button or light censor. The push button is perfectly working it turns on and off the LED light without any problem....
0 votes
0 answers
104 views

I'm building an alarm using ESP32, and it seems like there are voltage "leaks" between random pins. I have 3 LEDs (they use ledcWrite), a buzzer (analogWrite) and a 4-digit 7-segment ...
Epsilon's user avatar
0 votes
2 answers
144 views

Very new to assembly programing and im trying to make a blinking LED, here is my code: #include p16f877a.inc counter equ 0x20 org 0x00 goto main org 0x04 goto ISR main bsf INTCON, ...

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