Many computer systems contain radio transmissions, including Wi-Fi, Bluetooth, and 3G devices. These devices consume power, which is wasted when the devices are not in use. RFKill is a subsystem in th
Source: https://www.hackster.io/atul-john-abraham/timer-based-led-keychain-48acadTimer Based Led Keychain. The keychain has an IC-555 which controls the blinking time of two LEDs. The 555 timer IC is
[i=s]This post was last edited by paulhyde on 2014-9-15 03:00[/i] Our solution cannot reach very high targets, but more than 100M is still easy. The advantage of the solution is that it uses IC, which
Use timer 0 to trigger EDMA events, send a set of data in the memory to SDRAM, call EDMA interrupt to move the data to the memory. Data can be sent to SDRAM, but EDMA interrupt cannot be entered. What
[font=微软雅黑][size=4]As the title states[/size][/font] [font=微软雅黑][size=4] [/size][/font] [font=微软雅黑][size=4]How to tin a bare board/bare board? The board has been coated with solder mask ink but the co