# ESP32 SensorNode PCB Layout, rev. 2

## Bill of Materials
  Type      | Qty |  Value  |    Footprint    |     Mouser
----------- | --- | ------- | --------------- | -------------------
Capacitor   |   3 |    0.1u | SMD 0805        | 581-08055C104KAZ2A
Capacitor   |   1 |   0.01u | SMD 0805        | 80-C0805C103K5R7411
Capacitor   |   1 |    4.7u | SMD 0805        | 963-TMK212BBJ475MD-T
Capacitor   |   1 |      1u | SMD 0805        | 963-LMK212B7105KG-T
Resistor    |   2 |     22k | SMD 0805        | 603-RC0805FR-0722KL
Si7021      |   1 | A20-GM1 | DFN-6           | 634-SI7021-A20-GM1
VoltageReg  |   1 |  TC1262 | SOT-223-3       | 579-TC1262-3.3VDBTR
Switch      |   1 |   -x-   | THT SW_PUSH_6mm | 506-FSM4JH
Resistor    |   3 |     22k | THT L6.3 P10.16 | 
Resistor    |   1 |    2.7M | THT L6.3 P10.16 | 
Resistor    |   1 |      1M | THT L6.3 P10.16 | 
Resistor    |   1 |     47R | THT L6.3 P10.16 | 
Capacitor   |   1 |      1n | THT P7.50 Disk  | 
Capacitor   |   1 |      1u | THT P2.50 Rect  | 
Capacitor   |   1 |    100u | THT P5.00 Elko  | 
Capacitor   |   1 |    460u | THT P5.00 Elko  | 
Diode       |   1 | 1N5400  | THT             | TODO
----        | --  | ----    | ----            | ----
Bat Holder  |   1 |   18650 | x               |  -/-
ESP32       |   1 |   WROOM | x               |  -/-
Pin 2x07 M  |   1 |   -x-   | THT P2.54 2x07  |  -/-
Pin 1x06 M  |   1 |   -x-   | THT P2.54 2x07  |  -/-
Pin 1x04 M  |   1 |   -x-   | THT P2.54 2x07  |  -/-
Pin 1x03 M  |   1 |   -x-   | THT P2.54 2x07  |  -/-