User DanM

15 votes

5 answers

6k views

Why do some PCB designers put pull-up resistors on pins where there is already an internal pull-up?

asked Feb 7, 2021 at 15:46

6 votes

7 answers

1k views

Is auto generated projects for embedded system the future?

microcontroller pic stm32 avr siliconlabs

asked Mar 24, 2021 at 12:16

3 votes

2 answers

541 views

Why does LM324 Op-amp send out max voltage when I got 0V at the non inverter input?

operational-amplifier

asked Mar 16, 2021 at 17:29

3 votes

3 answers

337 views

How can I do two points scaling in electronics? 0.6 V - 3.2 V to 0.0 V - 3.3 V

operational-amplifier measurement voltage-measurement scaling

asked Mar 14, 2021 at 13:30

2 votes

1 answer

1k views

Why is DMA Continuous Requests not selectable as enable for STM32F446RE?

stm32 dma nucleo

asked Sep 23, 2019 at 0:18

2 votes

1 answer

351 views

DMA request is ony done 1 time in STM32 - Even if I have check marked it as Circular Mode

stm32 adc timer dma sdadc

asked Aug 18, 2021 at 13:02

2 votes

2 answers

113 views

STM32 register does not change

stm32 adc c

asked Aug 20, 2021 at 10:10

2 votes

3 answers

159 views

Process Data Objects - CANopen - How do they work?

can canopen

asked Nov 7, 2021 at 13:01

1 vote

2 answers

59 views

Why are NMT masters acting as SDO clients and not SDO masters in CANopen?

can canopen

asked Oct 24, 2021 at 22:19

1 vote

1 answer

110 views

Why does SAE J1939 Commanded Address requires a delay when sending multiple package message?

microcontroller communication can protocol

asked Oct 5, 2021 at 13:22

1 vote

2 answers

100 views

How do I know if VDD on STM32 is stable? NPOR input

stm32

asked Jun 7, 2021 at 13:17

1 vote

0 answers

31 views

What DMA settings should I use for DCMI for STM32?

stm32 camera dma

asked May 9 at 11:25

1 vote

1 answer

100 views

Does USB have some kind of current cutter that cuts the current for safety? [closed]

usb protection circuit-protection usb-hub

asked Dec 14, 2021 at 21:17

1 vote

1 answer

106 views

STM32 C library for ILI9341 TFT LCD with 16-bit data bus?

arduino stm32 lcd tft ili9341

asked Apr 11 at 23:39

1 vote

0 answers

985 views

Is there any way to do matrix/vector algebra with analog electrical components?

operational-amplifier analog simulation matrix analog-computer

asked Jul 22, 2017 at 1:11

1 vote

1 answer

572 views

Where can I find the EEPROM memory in STM32 Nucleo F401RE?

stm32 eeprom stm32cubemx nucleo

asked May 24, 2020 at 15:12

1 vote

0 answers

1k views

DMA + ADC + FreeRTOS in STM32 - Cannot read any ADC value - Why?

adc stm32 dma freertos

asked Jul 25, 2020 at 19:49

1 vote

2 answers

1k views

HardFault with FreeRTOS at STM32 - New Project

stm32 freertos hard-fault

asked Jul 27, 2020 at 17:53

1 vote

1 answer

74 views

Is it possible to change the ground voltage level for the ADC/DAC at a STM32F373?

stm32 adc dac

asked Mar 15, 2021 at 8:34

1 vote

1 answer

72 views

Why does an oscillator want a capacitor between Output and Tri-State?

oscillator tri-state

asked Feb 11, 2021 at 14:14

1 vote

3 answers

286 views

Why is this digital output circuit non-linear to the load?

operational-amplifier current-source dac constant-current negative-feedback

asked Apr 24, 2021 at 12:43

1 vote

1 answer

136 views

Why do I get these odd foot prints from JLCPCB - 0602 and 1206

pcb footprint routing

asked Nov 7, 2020 at 22:57

1 vote

2 answers

162 views

Can I use PWM signal to control devices that requires a system clock - OV7670

arduino stm32 pwm oscillator camera

asked Feb 1, 2021 at 21:44

1 vote

2 answers

435 views

How more accurate in practice will a STM32 become if we use HSE?

stm32 noise oscillator crystal accuracy

asked Feb 24, 2021 at 23:11

0 votes

2 answers

170 views

How do I create a secure clamping circuit?

diodes zener schottky diode-clamp clamp

asked Mar 3, 2021 at 8:02

0 votes

1 answer

79 views

What should I use to make this MOSFET drop the gate-voltage even faster?

mosfet digital-logic pwm

asked Mar 3, 2021 at 14:22

0 votes

2 answers

57 views

How can I create feedback measurement with an operational amplifier? 0-20mA measurement

operational-amplifier current-measurement feedback 4-20ma

asked Mar 8, 2021 at 0:02

0 votes

1 answer

120 views

How should I interpret this CAN bus protocol - J1939

can protocol

asked Mar 10, 2021 at 12:20

0 votes

1 answer

61 views

How can I find the slope at Vout/Vin at Vin = 0, from the datasheet about Op-amp?

operational-amplifier gain

asked Mar 14, 2021 at 11:02

0 votes

2 answers

94 views

What low cost LCD can I use in minus -30°C? [closed]

temperature lcd

asked Feb 10, 2021 at 22:23

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73 Questions

Why do some PCB designers put pull-up resistors on pins where there is already an internal pull-up?

Is auto generated projects for embedded system the future?

Why does LM324 Op-amp send out max voltage when I got 0V at the non inverter input?

How can I do two points scaling in electronics? 0.6 V - 3.2 V to 0.0 V - 3.3 V

Why is DMA Continuous Requests not selectable as enable for STM32F446RE?

DMA request is ony done 1 time in STM32 - Even if I have check marked it as Circular Mode

STM32 register does not change

Process Data Objects - CANopen - How do they work?

Why are NMT masters acting as SDO clients and not SDO masters in CANopen?

Why does SAE J1939 Commanded Address requires a delay when sending multiple package message?

How do I know if VDD on STM32 is stable? NPOR input

What DMA settings should I use for DCMI for STM32?

Does USB have some kind of current cutter that cuts the current for safety? [closed]

STM32 C library for ILI9341 TFT LCD with 16-bit data bus?

Is there any way to do matrix/vector algebra with analog electrical components?

Where can I find the EEPROM memory in STM32 Nucleo F401RE?

DMA + ADC + FreeRTOS in STM32 - Cannot read any ADC value - Why?

HardFault with FreeRTOS at STM32 - New Project

Is it possible to change the ground voltage level for the ADC/DAC at a STM32F373?

Why does an oscillator want a capacitor between Output and Tri-State?

Why is this digital output circuit non-linear to the load?

Why do I get these odd foot prints from JLCPCB - 0602 and 1206

Can I use PWM signal to control devices that requires a system clock - OV7670

How more accurate in practice will a STM32 become if we use HSE?

How do I create a secure clamping circuit?

What should I use to make this MOSFET drop the gate-voltage even faster?

How can I create feedback measurement with an operational amplifier? 0-20mA measurement

How should I interpret this CAN bus protocol - J1939

How can I find the slope at Vout/Vin at Vin = 0, from the datasheet about Op-amp?

What low cost LCD can I use in minus -30°C? [closed]