imp-guru / ESP8266 Temp and Humidity Sensor

Project Information

Description
Probably the worlds smallest, most inexpensive WiFi Temp and Humidity Sensor.
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Schematic and PCB Layout

Bill of Materials

Reference
Description
Manufacturer
Part Number
Package
Verified
Actual Part
Qty
Unit Cost
Order Qty
Total Cost
U13, U14, U26, U28, U7, U8 No description 0402 Resistor (Generic) No Digi-key Number 6 ?? 0 0
U10 USB to BASIC UART IC FTDI FT230XQ-T 16QFN 768-1153-ND 1 2.04 1 2.04
U4 Voltage Regulator STMicroelectronics L78L15ACUTR SOT-89 497-7279-2-ND 1 0.48 1 0.48
C1, C2 Cap, 2.2uF, 0603, X7R, 10V TDK C1608X7R1A225K080AC 0603 445-5958-2-ND 2 0.25 2 0.5
J2, J3 6x1 Header, 0.1" / 2.54mm Pitch, Generic Generic 6x1 Header No Digi-key Number 2 ?? 0 0
U2 Standard Silicon Laboratories SI7020-A10-GM 3x3 DFN No Digi-key Number 1 ?? 0 0
U15 No description No Digi-key Number 1 ?? 0 0
J1 Mini USB type B receptacle EDAC 690-005-299-043 609-4701-2-ND 1 0.83 1 0.83
U9 Tact Switch Alcoswitch FSMSM 450-1140-ND 1 0.22 1 0.22
ESP0325 ESP8266 PCB Module type 3 with integrated ceramic antenna Espressif ESP8266 Type 03 No Digi-key Number 1 ?? 0 0

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Drill Chart
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