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michaelpmurphy14
using ESP32C3 chip to collect and analyze air quality data
| Reference | Value | Description |
|---|---|---|
| Q1 | BOOT | |
| Q2 | RESET | |
| Q4 | AO3401A | |
| U1 | AP2112K-3.3 | |
| U2 | ESP32-C3FH4 | |
| U3 | BME680 | |
| U5 | MCP73831-2-OT |
| USB1 | USB_C_Receptacle_USB2.0 |
|---|
| BZ1 | Buzzer |
|---|
| C1,C6,C8 | 22uF |
|---|
| C2,C3,C11,C15 | 1uF |
|---|
| C4,C5,C10,C12,C14 | 0.1uF |
|---|
| C7 | 2.7pF |
|---|
| C9 | 2pF |
|---|
| C16 | 0.01uF |
|---|
| C17,C18 | 16pF |
|---|
| C24,C25 | 10uF |
|---|
| D1 | B5817WL |
|---|
| D5 | NSR0320 |
|---|
| Green2 | Power |
|---|
| J17 | CO Sensor |
|---|
| L1 | 2nH |
|---|
| L2 | 2.2nH |
|---|
| LED1 | WS2812B_SK6805_1515 |
|---|
| P1 | Charging |
|---|
| P2 | Charged |
|---|
| R1,R2,R7 | 10K |
|---|
| R3 | 0 |
|---|
| R4 | 1k |
|---|
| R5,R6 | 5.1k |
|---|
| R9 | 806K |
|---|
| R13 | 2K |
|---|
| R14,R15,R19 | 470 |
|---|
| R20,R21 | 220k |
|---|
| R22,R23 | 4.7k |
|---|
| X1 | 2.4GHz |
|---|
| Y1 | 40MHz |
|---|