Abstract: The working principle of a 115V, 400Hz power supply is introduced, and the corresponding circuit schematic and parameters are given. Keywords: PWM modulation, inverter, harmonicsThe inverter...
Some time ago, several billboards for the new "POLO" car of Shanghai Volkswagen appeared in Xidan subway station in Beijing. The slogan at the bottom was particularly eye-catching: "You don't need to ...
The relationship between EMCP/EMMC/MCP/DRAM/FLASH: In three sentences: MCP is NAND Flash+DRAM; eMMC is NAND Flash+Controller; eMCP is eMMC+DRAM. 1. Memory chip manufacturers: Korean: Samsung, Hynix (H...
Hitachi, Ltd. of Japan announced on the 6th that its Central Research Institute has developed the world's smallest and thinnest contactless IC chip and has successfully confirmed the working performan...
Because of the dual-core heterogeneous processor, one is DSP core and the other is ARM core, the official development methods are all under Linux. Therefore, for DSP programs, makefiles are also used ...
[i=s]This post was last edited by jesse00 on 2019-3-8 13:12[/i] [color=#363636][font="][size=14px]1. Overview[/size][/font][/color] [color=#363636][font="][size=14px] There are three main Zigbee packe...