Questions tagged [stm]

5 questions
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Identify chip from picture from STM

I have tried to google the different type of code and I cant really confirm that what I suspect I found is actually the right thing so I might want to see if something can confirm my finidng. I suspect this to be a OP-AMP IC from STM from looking…
max246
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Nucleo-32 L432KC doesn't work properly when powered by the 5v pin

I uploaded the simplest code to my Nucleo-32 L432KC STM32 board. The LED3 should just blink every 1 second. It works perfectly when the board is connected to the computer by USB, and it also works perfectly when the power source is connected to the…
Avi Levin
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SSL AT command issue after switching from SIM7600EI to SIM7600 CE,

I had a simple application which POSTs a JSON payload to an API endpoint, running on an STM32 controller with SIM7600EI as the modem. Shortage of SIM7600EI in the market forced me to switch to 7600CE which is pin by pin compatible with the former. I…
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Connecting TTL-232R-5V-PCB to STM32F103C8T6A bluepill via OTG and installing boot to this STM32 microcontroller

I have TTL-232R-5V-PCB and STM32F103C8T6A bluepill board. I am working on installing bootloader to this bluepill board on that way, I have searched on the web about it but all people connected them via jumpers from TTL to some pins of STM32 bluepill…
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L6924U output status pins in the datasheet description are open-collector, but schematic shows a MOSFET

The battery charger L6924U has two status pins, ST1 and ST2, to tell what is happening inside the charger: charge in progress, charging done, stand-by mode, etc. In the datasheet STM always writes that these pins are open-collector pins, but in the…
Lyoner
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