Inverter power supply is called "tomorrow's power supply". Its application in welding equipment has brought revolutionary changes to the development of welding equipment. First, the inverter welding p
The compiler I use is IAR FOR ARM. The chip I use is STM32. It's probably like this. The startup code changes the entry function. Reset_Handler LDR R0, =SystemInit ;BLX R0 LDR R0, =main ;Assembly labe
Low power consumption and main frequency of single-chip microcomputerWhat is the minimum power consumption for low power consumptionWhat is the maximum main frequency for high computing power Forordin
[i=s]This post was last edited by 5525 on 2016-5-29 16:30[/i] [size=4]Use a 12-volt relay with a normally closed contact. Connect one end of the relay coil to 12-volt positive electricity and the othe