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make a cirtuit with a led connected to a gpio
rodolfo182

rodolfo182

@copilot make a cirtuit with a led connected to a gpio
1y

copilot

To create a simple circuit with an LED connected to a GPIO pin using the STM32H723VET6 microcontroller, you can follow these steps:
Components Needed:
  • 1 x LED
  • 1 x Resistor (to limit current through the LED, typically around 220Ω to 1kΩ)
  • 1 x STM32H723VET6 microcontroller
GPIO Pin Selection:
For this example, let's use PA5 as the GPIO pin to control the LED.
Circuit Connections:
  1. Connect PA5 to the anode of the LED.
  2. Connect the cathode of the LED to one terminal of the resistor.
  3. Connect the other terminal of the resistor to ground (GND).
Instructions:
  • Ensure that the resistor is calculated correctly to prevent excess current through the LED, which might damage it.
  • The typical forward voltage of an LED is around 2V, and the current is around 20mA. You can calculate the resistor value using Ohm's Law: R=Vsource−VLEDILEDR = \frac{{V_{\text{source}} - V_{\text{LED}}}}{{I_{\text{LED}}}} Assuming a 3.3V source from the STM32: R=3.3V−2V20mA≈65ΩR = \frac{{3.3V - 2V}}{{20mA}} \approx 65Ω A 220Ω resistor is a safe standard value to use.
Let me know if you'd like to proceed with this setup or if you need further adjustments or clarifications!
1y
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STM32H723VET6

STM32H723VET6 thumbnail
ARM® Cortex®-M7 STM32H7 Microcontroller IC 32-Bit Single-Core 550MHz 512KB (512K x 8) FLASH 100-LQFP (14x14) #commonpartslibrary #integratedcircuit #microcontroller

Properties

STM32H723VET6

STMicroelectronics

IC

Microcontroller

st.com/resource/en/datasheet/stm32h723ve.pdf

creativecommons.org/licenses/by/4.0/

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