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crwdns2933797:0Andrew Optimus Goldheartcrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Andrew Optimus Goldheart
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crwdns2933807:0crwdne2933807:0
| - | [* black] We rarely see circular motherboards. It's quite refreshing. |
|---|---|
| - | [* black] Layered on the base motherboard are the connectors for wiring the Nest to your home HVAC. |
| - | [* icon_note] Rc, Rh, W1, W2/AUX, Y1, Y2, G, O/B, Common “C”, Nest star |
| - | [* black] Prominent ICs on the base motherboard: |
| - | [* red] ST Microelectronics [link|http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1295/LN962/PF248825|STM32L151VB] Ultra-low-power ARM Cortex-M3 MCU |
| + | [* black] With only light adhesive holding the base motherboard to its case, it doesn't take us long to pull it out for a closer look. |
| + | [* black] We rarely see circular circuit boards. It's quite refreshing, and alliterates nicely. |
| + | [* black] The base motherboard is equipped with a surprising amount of hardware for an auxiliary board: |
| + | [* red] ST Microelectronics [link|http://www.st.com/web/catalog/mmc/FM141/SC1169/SS1295/LN962/PF248825|STM32L151VB|new_window=true] Ultra-low-power 32 MHz ARM Cortex-M3 MCU |
| [* orange] Sensirion [http://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/Humidity/Sensirion_Humidity_SHT20_Datasheet.pdf|SHT20|new_window=true] Humidity and Temperature Sensor | |
| - | [* yellow] Texas Instruments [link|http://www.ti.com/lit/ds/symlink/sn74lv4051a.pdf|LW051A] 8-channel CMOS Analog Multiplexer/ Demultiplexer |
| + | [* yellow] Texas Instruments [link|http://www.ti.com/lit/ds/symlink/sn74lv4051a.pdf|LW051A|new_window=true] 8-channel CMOS Analog Multiplexer/ Demultiplexer |