[i=s] This post was last edited by ddllxxrr on 2018-10-28 07:39 [/i] This microcontroller clearly states that it is powered by 2.5~5.5V. Voltage conversion means voltage conversion. This puts me under...
First of all, I am very grateful to the EEWORLD community and teacher "Zhang Jindong" for their strong support. I am honored to have the opportunity to evaluate this board. Today is the weekend. I jus...
D1 is a Schottky diode. What is its function? Can it be removed?
The following is a typical circuit of a step-down synchronous DCDC chipD1 in the figure is a Schottky diode. What does it do? Check the...
From: Embedded from 0 to 1 Author: Programmer Xiaoha
Origin of the problemUser QANOKIA 5110 Screen
The Nokia5110 screen is a very classic LCD display module. When Xiaoha was playing with microcontroll...