Upgrade an ASUS WL-500gP to control my RIG: Unterschied zwischen den Versionen
Dl8rds (Diskussion | Beiträge) |
Dl8rds (Diskussion | Beiträge) |
||
Zeile 2: | Zeile 2: | ||
== Access the root shell through the serial port == | == Access the root shell through the serial port == | ||
− | This requires to purchase or build a level shifter. | + | This requires to purchase or build a level shifter. I have done so: [[A MAX232 level shifter]]. Nevertheless I have purchased some more readily built level shifters on Ebay. My first level shifter was to go into my |
== Build a new case == | == Build a new case == |
Version vom 5. September 2008, 01:50 Uhr
I have now purchased already two ASUS WL-500gP, because they are really well equipped and they make an excellent platform to do some really thrilling experiments.
Inhaltsverzeichnis
1 Access the root shell through the serial port
This requires to purchase or build a level shifter. I have done so: A MAX232 level shifter. Nevertheless I have purchased some more readily built level shifters on Ebay. My first level shifter was to go into my
2 Build a new case
Since I plan to do so many experiments and enhancements to the router, I need a new case. I have developed a technique to build new cases with one-sided PCBs.
- Photographs to follow
3 Integrate two level shifters into the new case
The new case will also contain according interfaces to connect to the serial ports on the board.
- Photographs to follow
4 Use another USB interface
The VIA USB controller chip actually has four pinout sets for USB interfaces. The first sub-experiment aims to connect at least one of them and to provide fixed storage over a USB memory stick.
- Photographs to follow!
5 Integrate a USB hub into the newly built case
Since I plan to connect a multitude of devices, I need more than the few slots.
- Photographs to follow
6 Build an electricity switch
Recently I have purchased a 8 relay card from a seller from Bulgaria which is controlled through an ATMEL Tiny chip, which again is accessible through a USB2Serial FTDI chip. Since I have compiled FTDI support into my OpenWRT image, I can access the ATMEL.
The control is fairly simple: I just need to set the interface speed to 9600 Bit/s and send a certain combination of characters to the serial device /dev/ttyUSB0.