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JAQ's Blog - Electronics, Microcontrollers, DEC Minicomputers, Raspberry Pi, Airplanes and other stuff....
Total: 9 results found.
Switching Mains Equipment with a Raspberry Pi - Part 1
... power is provided to the Pi via the 5V (Pin 2) and VSS (Pin 6) GPIO Header pins. The power is provided by a recycled external
hard drive power supply which has 5V and 12V regulated outputs. Only ...
Supporting Generic Kermit 4.11 in your CPM/80 BIOS
... on prototype board as long as you take your time and keep your interconnect wires short. The hardware uses a Z80-SIO to provide two serial ports (with TTL to
adaptors on my build). ...
Using eBay TTL Serial/USB Interface Modules
With most computers no longer having a serial port, a TTL Serial /
interface is required for many microcontroller projects. I have had good results with the low cost eBay modules based on ...
Home Built Z80 CP/M Computer - Part 3
... The end result looks very smart. The two serial interfaces use CP2102
/TTL Serial interface adaptors purchased on eBay for a couple of dollars. They work well in this application easily ...
Home Built Z80 CP/M Computer - Part 2
... Compact Flash to IDE Adaptor on eBay (approx US$ 2). I have been testing the board with 2 x MAX3232 based TTL to RS232 converter boards. Replacing these with CP2102 based TTL to
Codan N3ZI DDS
... the Codan 6801. More work to be done automatically switching the DDS2 channel, IF offset and
/LSB settings when the front panel channel selector switch is changed and a bit more cleanup on the ...
Keeping only the last downloaded podcast....
My linux server uses podget to download podcasts. The downloaded podcasts are picked up using rsync by my Asus WL-520GU / OpenWRT based car audio player. The Asus WL-520GU uses an 8GB
stick for storage ...
DSL-502T IGate Front Panel LEDs
... that will allocate an address. On = Network running and IP address correctly assigned. The
/APRSD LED has three states: Off = Only during the initial ...
Building a DLink DSL-502T Based IGate
... ADSL2/2+ support to 24Mbit/s+. Single 100MBps LAN port. Single
-B port (default firmware uses this to provide
-over-ethernet to a PC host only, it's not clear if this can actually ...
PDP8 SBC6120 FP6120
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