[font=微软雅黑][color=#393939][size=16px]In this era of selfie-loving, selfie sticks are outdated. This year[/size][/color][color=#393939][size=16px]a company in Hangzhou launched a drone called Hover Cam
LED lighting is known as the "third lighting revolution". Its advantages such as energy saving and environmental protection are highly valued by the government and sought after by the industry. Howeve
The requirements are briefly described as follows: 1. Write your own code to implement the function of the PLB bus (part of IBM's CoreConnect bus) 2. Add a master and a slave. I have no idea how to im
Use 3.3V STC15L104W microcontroller to control 3.3V 3W RGBW four-color high-power LED. Which type of transistor or MOS tube is better? The package is preferably pin-shaped. PS: Is the internal resista
[i=s]This post was last edited by paulhyde on 2014-9-15 09:25[/i]There seems to be no previous exam questions from 2009 on the forum, so I posted the most complete ones, hoping to help friends who are