Posts by Stefan‭

This question is related to my previous question. I want to drive a brushed DC motor using H-bridge. To power the motor two 18650 cells will be used in series. The issue is that I want to limit th...

1 answer  ·  posted 2y ago by Stefan‭  ·  edited 1y ago by Lorenzo Donati‭

I am using two 18650 cells in series to power a RC car. Is the voltage goes below 6.2 V, the battery should be disconnected to prevent over discharging the battery. At the same time I want to imple...

2 answers  ·  posted 2y ago by Stefan‭  ·  edited 1y ago by Lorenzo Donati‭

My goal is to make an RC car, and I have a couple of questions regarding driving the brushed DC motor. Schematic for half of my H-bridge looks like this for now (it will be identical on the other s...

1 answer  ·  posted 2y ago by Stefan‭  ·  edited 1y ago by Lorenzo Donati‭

I'm designing remote controller based on NRF24L01 and STM32. I want to use SMA antenna. My question is regarding power amplifier (PA). When is it necessary to use one? The range I'm aiming for is 2...

3 answers  ·  posted 2y ago by Stefan‭  ·  edited 1y ago by Lorenzo Donati‭

This is the circuit I have decided to use: The cut-off voltage will be just above 6 V. MOSFETs used are SiRA14BDP and the voltage supervisor is TS831. Maximum current consumption of TS831 is jus...

posted 2y ago by Stefan‭  ·  edited 2y ago by Stefan‭