Problem description:
1. The designed buzzer drive circuit is shown below. The resistor in the figure was later changed to 470Ω, but the problem was still not solved;
2. The buzzer is an active buzzer;
NXP LPC54100 development board information is collected and updated at the same time, and netizens are also welcome to post and share. [/size][/align][align=left][/align] [align=left]1. Schematic diag
Ingredients:200 grams of pig ears, 5 grams of red soy sauce, 2 grams of MSG, 5 grams of cooking wine, 50 grams of mixed oil, 50 grams of five-spice powder , 150 grams of green pepper, 20 grams of old
I recently used the LM2596 chip to draw a power module, 20V DC input, connected a 25V100uF tantalum filter capacitor at the input end, connected to the load, the total current of the circuit was about