I like to take things apart
Tegen de wind.
Today's success: a risc-v softcore running C code, decoding the spispy fpga's control registers to monitor the data on the SPI bus. Works in simulation and on real hardware!
Status LEDs should be at least 60mA, right?
Number one lesson learned? Write a test bench.
Tonight's game night: Racoon Tycoon!
In our garden we have both kinds: curlicues and sproingies.
The easy part of FPGA projects is wiring them: just plug into whatever pin is convenient! That hard part is actually writing working Verilog that can handle clock domain crossing to external devices.
Inspection microscope versus Pixel 3 phone camera.
Although Amsterdam is only 52°N, the midnight sky is still quite bright during the summer solstice.
Did you know it's possible to balance upside down during the solstice?
Hashtag threat model
Computer dating (1924). https://archive.org/details/ScienceandInvention192404
Computer with X4. #retrocomputing https://archive.org/details/GPN-2000-001932
Computer at work in the engine research building. @retrocopmuting https://archive.org/details/C-1956-42046
Computer at work with her planimeter. #retrocomputing https://archive.org/details/C-1954-35053
Computer at work with her Friden mechanical calculator. #retrocomputing https://archive.org/details/C-1954-35057