Search by the ยซmcuยป tag Articles Show filter × Title Article type Basic article Review Translation Apply LED TESTER R02 STM32F401 IPS 160x80px (Schematic Overview) | Part 1 Summary๐ป MCU: Cortex-M4 STM32F401๐ฅ Display: IPS 160ร80 px (ST7735)โกOutput voltage (MAX): 150V+๐ Output current (MAX): 150mA+๐ฝ Control: Mechanical Buttons๐ Powering: 1S1P 3.7V 18650 Li-Ion Battery๐ Notification:ย Sound (Buzzer)โก Charging: USB Type-C led testeripsoledledtesterbooststep upstm32mcuembedded programmingcodehalcmcis 25.11.2025 330 admin 0 Power Switch and MCU GPIO current leakage | ๐งจ Engineering Schematic Solutions Category:Power Control related, GPIO pinsSeverity:๐ฅ HighResolution:๐ Software or ๐ HardwareDescription:If load switch pulls power rail to ground any high signal cause current leakage through internal ESD diode. load switchswitchpower controlcurrent leakagespimosimisomcu 05.03.2024 1.64K admin 0