I have a development board hyper255B based on Xscale processor pxa255. By looking at the schematic diagram, I found the following: 1. There is a 38 decoder (74LCX138), and the three input terminals of...
Hello everyone, I am a newbie, I want to ask a question, can I use a single chip microcomputer to identify the mobile phone ringtone and system prompt tone? What circuit should I use and how to achiev...
I saw someone else's circuit with a diode IN4007 connected inversely between the b and e of a transistor! Another diode IN4007 connected inversely between the c and e of a transistor! I would like to ...
The new homepage is online. What do you think? Welcome to express your views on the new version and give us your opinions. We will make reasonable adjustments based on your feedback~~~Considering that...
DS1230Y DS1230AB Original authentic spot! DS1230Y DS1230AB Description The DS1230 256K non-volatile SRAM is a 262144-bit, fully static, non-volatile SRAM organized as 32768 words, by 8 bits. Each NV S...
[if gte mso 9]>Normal07.8 磅02falsefalsefalseEN-USZH-CNX-NONEAbstract : This paper describes the research progress of technologiesenergy- for electric vehicles (EV) , hybrid electric vehicles (HEV) and...