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Resolved! Issue with STM32 + SIM868 uart communication

Is anyone familiar with communication between stm32 and sim868 gms/gprs/gnss module? I currently have a custom PCB  that has an stm32f103ret6 and sim868 module that are connected via uart. My project setup has uart4 set as Tx and Rx between the two d...

atia by Associate
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smd marking

HELLO. CAN SOMEONE HELP ME IDENTIFY THIS CIRCUIT WHICH HAS THE NOTATION OF L4T . IT APPEARS TO BE A MOSFET BUT I'M NOT SURE BECAUSE I CAN'T FIND ANY REFERENCE ABOUT IT ANYWHERE. BECAUSE IT HAS 8 PINS. ITS DIMENSIONS ARE 2 X 2 X 1 MM. THANK YOU FOR AN...

ST72F2xx Reader/Programmer

Hi, I appreciate that ST7 technology is totally obsolete, but as a hobby, I repair electrical appliances. One such item uses ST7, or more specifically, ST72F262 chips.  But the power supply circuit isn't well designed and fails, outputting well over ...

bakaman by Associate
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