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annotate air-quality/hw.md @ 20:ec7e7d2c763f

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aq sync and refactors; start hw.md
author drewp@bigasterisk.com
date Tue, 13 Aug 2024 22:38:39 -0700
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ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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1 # https://cdn.shopifycdn.net/s/files/1/0617/7190/7253/files/T-display-pin-diagram_1024x1024.jpg
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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ec7e7d2c763f aq sync and refactors; start hw.md
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3 # https://www.aqmd.gov/docs/default-source/aq-spec/resources-page/plantower-pms5003-manual_v2-3.pdf
ec7e7d2c763f aq sync and refactors; start hw.md
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ec7e7d2c763f aq sync and refactors; start hw.md
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5
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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6 # pms pin 1 (blk) to 5V
ec7e7d2c763f aq sync and refactors; start hw.md
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7 # pms pin 2 (red) to gnd NEXT TO ESP PIN 12!!
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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8 # pms pin 3 (blk) NC
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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9 # original setup
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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10 # GPIO13/RXD2 num 16 = pms tx (pin 5 blk)
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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11 # GPIO15/TXD2 num 17 = pms rx (pin 4 red)
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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12 # or on T-Display ESP32,
ec7e7d2c763f aq sync and refactors; start hw.md
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13 # pms tx pin 5 to esp 13
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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14 # pms rx pin 4 tp esp 17
ec7e7d2c763f aq sync and refactors; start hw.md
drewp@bigasterisk.com
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15 # led strip: +5/gnd like pms; DIN to esp 27