Questions tagged [microcontroller]
A device which includes a central processing unit (CPU), memory, and (generally) an assortment of I/O peripherals (UART, ADC, DAC, general-purpose I/O, I2C, etc.) in a tightly-coupled standalone package.
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Switching ON/OFF an ADC line
which electronic component could one use to switch ON/OFF several external lines for ADC?
Context:
I am working on a small project where I would like to measure 4 external voltages (0-3V range, let's ...
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What are the VDDSD, VLXSD, and VFBSD pins?
On the STM32WB09KEV, and on MCUs in general, what do the VDDSD, VLXSD, and VFBSD pins mean.
I can see that they have something to do with SMPS (input/output, ground and output), but what do they ...
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PIC24 memory model problem error
I attempted to run a code to start understanding how PIC24 works but I run into a memory model problem. I don't understand what's his optimization issue since I have enough space to write it on, and ...
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Audio Codec Input/Output Channel Stages
I am planning to build a PCB for a Eurorack Modular Synthesizer, incorporating an STM32 for DSP and a bidirectional Audio Codec like the TLV320AIC3104 to handle the ADC/DAC.
Eurorack audio signals ...
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I need help in 68HC705 programming [closed]
I want to burn some 68HC705C8 chips. I am grateful for any help or information.
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Is my setup for a 5V motor project faulty?
I'm trying to get a motor (5V nailbrush, no name, no specifications whatsoever) to spin for a set time and pause for a set time using a PIC10F200 microcontroller in conjunction with a 2N2222 NPN ...
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shows the different part number
My physical microcontroller shows the part number STM32F412RET6, but when I connect it to the STM32 ST-Link Utility through ST-Link V2, it identifies the device as STM32F401xD/E. What is the exact ...
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Remote update firmware for MCU
I am planning to implement a remote firmware update for my MCU and seek recommendations on the necessary features for the MCU. Specifically, I would like to understand the requirements regarding ...
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Common Ground Issue for the System
I am facing an issue with my common ground for my system.
The system below has a voltage of the battery equal to 16 V and the power supply is supplying my MCU with 3.3V and 0.20A.
What is the ...
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System: Battery, BMS, MCU, Power Supply [duplicate]
Following up on a post that I have created earlier, I faced a problem with the common ground between my whole system. Thanks to the people who supported me on my last post they informed me that the ...
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Output mode configuration on GPIOs: When to use push/pull vs open drain?
Hello guys I'm relatively new to Embedded engineering.
I wanted to know if there's any specific rule that experienced embedded engineers use when selecting when to use one of these output ...
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What makes a MCU capable of higher temps than another?
Just an example - STM32F722 has a few versions, but I'm talking about just the variance between two numbers: RET6 vs RET7. The former has a max operating temp of 85C, whereas the latter says 105C. ...
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Is this EEPROM write procedure on STC microcontrollers correct? Any alternative?
I'm working on a STC15W204S microcontroller, a small, cheap and capable 8051 microcontroller. So far, with the flexibility of SDCC, using the provided STCAI-ISP software and the datasheet (which is ...
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How to verify a crystal is damaged?
I need to check in one of designs to see if my crystal (8MHz) is working or not, the schematic is as follows:
When I check the USSXOUT pin I see the following signals:
Here I see almost 1 second ...
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BMS-Battery System
I am facing an issue, I am building my circuit found below in the image, I am managing a battery pack using a BMS (link: https://eu.mouser.com/datasheet/2/389/STM_4_19_2023_DB4989rev1b-3159205.pdf) (...