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--- blog:articles:raspberry:phys_marsclock:pi_marsv1 [2020/11/12 14:17] – [Configuration] Phil Ide
+++ blog:articles:raspberry:phys_marsclock:pi_marsv1 [2020/11/20 11:08] (current) – [Pi-Mars v1.1] Phil Ide
@@ Line 4: / Line 4: @@
 Having written several clocks that tell the time at various locations on Mars for my [[blog:aardvaark:mars_weather|Mars Weather]] page, I immediately knew I wanted to make a physical clock - something that could sit on my desk or such like, and tell the time on Mars.
 === ===
-The Raspberry Pi was a shoe-in for the job. Items required:
+The Raspberry Pi was a shoo-in for the job. Items required:
   - Raspberry Pi 4B+ 2GbRAM (£34)
   - Power Supply Unit (£8)
@@ Line 10: / Line 10: @@
   - SmartiPi Touch 2 case (£24)
-Total cost: £130.00 plus SD card (16Gb) plus p+p.
+Total cost: ~£130.00 plus SD card (16Gb) plus p+p. An 8Gb SD card is sufficient if you want to minimalize, but a 16Gb will have a longer life.
 These were all standard components that fit together in just a few minutes. Writing the software would take a bit longer - this was after all, mainly a software task. Luckily, I'm a programmer. <- Mark Watney moment, did you spot it?.