About Zaim01

Zaim01 · 2024-08-07

Hi,I have an STM32L412RBT6P microcontroller and a CFAG12864T3-NFH LCD which uses an ST7565 controller. I want to use SPI to communicate with the LCD and leverage DMA to efficiently transfer data with lowest current consumption possible. Could someone...

Zaim01 · 2024-07-07

Hello everyone,I'm working on a circuit for monitoring the bias voltage of a GM tube, which requires a high voltage of 100V. I am currently using a OA1NP22C op-amp configured as a unity-gain buffer to read the divided voltage. To minimize current con...

Zaim01 · 2024-05-23

Hello, I'm working on a project using the STM32L412RBT6P microcontroller, and I have a few questions regarding the use of the VDD12 pins to achieve the lowest possible power consumption. 1. Can I directly connect the two VDD12 pins to a 1.25V supply?...

Zaim01 · 2024-01-25

Hello ST Community,I am currently working on a project that involves the use of 2 LIR2450 Li-ion batteries. For the battery charging aspect, I am seeking recommendations for a suitable Power Management Integrated Circuit (PMIC) charger from ST.Specif...

Zaim01 · 2024-08-16

Thank you for your valuable insights and assistance! I’ll be reading the mentioned application notes and applying your suggestions. If I have any further concerns, I’ll reach out again. Marking this as solved—thanks again

Zaim01 · 2024-08-13

Thank you all for your helpful suggestions and insights! I appreciate the time and effort you’ve taken to assist me.I’ve been referring to the RM0394 Reference Manual, particularly section 6.2 on Clocks (page 178), but I noticed it doesn’t specifical...

Zaim01 · 2024-08-08

Thank you for your recommendations. Actually, I have used this library before and successfully got the LCD working with the MCU, and it's still functioning well with a CPU clock of 16 MHz. However, my application is focused on low power consumption, ...

Zaim01 · 2024-08-07

Hi Tesla DeLorean,I appreciate your response, but I’d like to clarify a few points. Firstly, while I understand the theoretical concepts like circular or scatter-gather mechanisms, I'm looking for concrete examples specific to the STM32L4xx and ST756...

Zaim01 · 2024-07-10

Hi,Actually, using a reed relay or permanent magnet relay would be a good option, but the available relays that can handle more than 120V with a 3V coil voltage are either very expensive or too large to fit into my device.Regarding high-value resisto...

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User Activity

How can I interface an LCD with an STM32L412RBT6P microcontroller using SPI and DMA?

Minimizing Current Consumption in High Voltage Divider Circuit

Questions About Using VDD12 on STM32L412RBT6P for Lowest Power Consumption

PMIC Charger Recommendation for 2-cell Li-ion Battery (LIR2450) and Reference Design

Re: How can I interface an LCD with an STM32L412RBT6P microcontroller using SPI and DMA?

Re: How can I interface an LCD with an STM32L412RBT6P microcontroller using SPI and DMA?

Re: How can I interface an LCD with an STM32L412RBT6P microcontroller using SPI and DMA?

Re: How can I interface an LCD with an STM32L412RBT6P microcontroller using SPI and DMA?

Re: Minimizing Current Consumption in High Voltage Divider Circuit