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Hardware Design

How can I implement the circuit for SIM A7670c with ESP32-S3 and 4G connectivity?

Hello @hereI’m designing a board with computer vision capability around an ESP32-S3.Also with 4G(LTE) connectivity. I want to use SIM A7670c chip for the connectivity. I need help to implement […]

MOSFET Heating Issue in Boost Converter with SG3525 and IRFB4110

I am working on a boost converter to step up DC voltage from 12v to 450v. My switching frequency is 45khz on each channel of the sg3525. I am using […]

Measuring Current Consumption on STM32 Nucleo-64: JP6 Jumper Behavior and Ammeter Use

Hi guys, how can I properly measure the current consumption of the microcontroller on my STM32 Nucleo-64 evaluation board (NUCLEO-L073RZ)? The manual instructs me to remove the JP6/IDD jumper and […]

Should I Connect the 120Ξ© Resistor on UART-to-RS485 Converter for 2-Module Communication?

Hello, Got a uart-to-rs485 converter board from the AliExpress . Its schematic is very close to this one It has a 120ohm resistor at data lines however it is not […]

Designing Constant Current (CC) for LiFePO4 Battery Charger

I want to design a charger that charges my lifepo4 battery(4s,3p). The charger is going to be AC to Dc charger having an output of 14.6v 15Amps. My challenge now […]

Is it possible to use this MAX30102 heart rate sensor to detect a heart attack?

Hi there, right now I am planning to make a device which can detect a heart attack by using MAX30102 After a small research, I found out that a heart […]

What Module Can I Use to Measure DC Voltages Up to 40V, or Should I Build a Voltage Divider?

Hello, all. I am doing a project in which I need to measure DC voltage up to 40V. I know that I could do a simple voltmeter using 2 resistors […]

How can I optimize power and ensure efficient operation of the VL53L0X sensor and OLED on BeagleBone

hello devs, still based on my project parking assistance system using a BeagleBone Black running Embedded Linux, VL53L0X time of flight distance sensor to detect the distance to nearby objects […]

Need assistance implementing a low-power mode to extend battery life for the ATmega2560

Hi friends, I need assistance implementing a low-power mode to extend battery life for the ATmega2560 with Zephyr OS, and resolve the issue of failing to wake up from low-power […]

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