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+# coloring computers
+
+non-electronic computers that work when you color them according to a simple set of rules.
+
+an exploration of computation without electricity and semiconductors, an attempt to reinvent digital systems away from efficiency and productivity, and hopeful prototypes to expose the inner workings of computers. 
+
+# 4-bits to 7-segment display hexadecimal decoder (12020)
+
+=> ./img/foto_20201130_hex7segdecoder_01.png the coloring computer/decoder, waiting to be activated
+=> ./img/foto_20201130_hex7segdecoder_02.png a human coloring the wires according to the logic rules
+=> ./img/foto_20201130_hex7segdecoder_03.png the coloring computer/decoder, with an input of 0011, and an output that can be read as 3
+
+a coloring decoder built with NOT (triangle), AND (semicircle), and OR (the other shape (?)) gates, based on a manual design. 
+
+=> ./img/dibujo_20201207_hex7segdecoder_small.png the complete decoder
+
+=> https://opguides.info/engineering/digitallogic/ colored and animated version by Vega
+=> https://ipfs.io/ipfs/QmZv53hr7QEzxrPaRNpiyU9VUNHw9UgyaTUqYD9x9iFpNA/dibujo_20201207_hex7segdecoder.png download the decoder in full size 1487x3057 (png, ~446KB)
+
+# computadora no(r)pal (12019)
+
+=> ./img/dibujo_20190715-norpalera-fulladder_blanco_small.png logic circuit in the shape of nopal
+
+a full-adder built with nor gates (see {logiteca}) in the shape of no(r)pales
+
+=> https://ipfs.io/ipfs/QmPz2D3bZRYFi1HnfiNJB8o9TZZvH8atuYpFixMKccYCYP/dibujo_20190715-norpalera-fulladder_blanco.png download computadora no(r)pal in full size 1200x1600 (png, ~429KB)
+
+# coloring computers (12018)
+
+the original ones
+
+=> ./img/foto_coloring-computers_cover-lee.png photo of the cover of the zine, colored
+=> ./img/foto_coloring-computers_7seg-lee.png photo of a pair of colored pages of the zine, with a 7 segment display showing the digits 2 and 3
+=> ./img/foto_coloring-computers_pcd2019.png photo of a pair of colored pages of the zine, showing a digital circuit answering if two colors are the same
+
+the booklet contains three series of computers: computers that compare, computers that count, and computers that play. they are all NOR-based logic circuits designed by using truth tables, karnaugh maps, and maxterm expansions. 
+
+=> https://ipfs.io/ipfs/QmYz7DPRWypGQcbAHr7Mi8EKB6ntSPsEnUsCXbAhBiHQZP/ original site and resources
+=> https://ipfs.io/ipfs/QmYz7DPRWypGQcbAHr7Mi8EKB6ntSPsEnUsCXbAhBiHQZP/coloringcomputers_pages.pdf download the page-by-page zine (pdf, ~1.5MB)
+=> https://ipfs.io/ipfs/QmYz7DPRWypGQcbAHr7Mi8EKB6ntSPsEnUsCXbAhBiHQZP/coloringcomputers.pdf download the ready-to-print-and-cut zine (pdf, ~1.4MB)
+
+CC-BY-SA 4.0
+
+for the print and cut zine: print double-sided, cut in half, fold the pages and assemble
+
+presented as a workshop in the 
+=> https://processing.nyc/2019/#workshops processing community day nyc 2019