[i=s]This post was last edited by paulhyde on 2014-9-15 08:55[/i]In the 2007 national competition, there was an indicator in the basic requirements "voltage gain is 40dB, gain is adjustable in 10dB st
I plan to make a handheld data collector powered by a 3600mah, 3.6V rechargeable lithium battery. However, the system requires a 5V powered chip, so I need to design a boost circuit that converts 3.6V
The reference design features an ultrasonic flow transmitter capable of measuring water flow in large pipes used in the process industry. The reference design drives four different piezoelectric senso
Dear experts, I have an ARM9 embedded system experiment box from Nanjing Dongda Mobile Internet Technology Company.But there is no software on the CD. If you have it, please send it to me. Thank you!M