Air Quality Monitering System
About the Air Quality Monitering System PCB
Air Quality Monitering System is an open source ESP32 PCB design by SREE-VISHNU-N, published on GitHub. It is a 4-layer board measuring 72.3 × 33.7 mm, with 54 components from 37 distinct parts.
Its main chip is the ESP32-S3-MINI-1-N8, from the ESP32 family. Other key parts include the D3V3XA4B10LP, TLV75801PDRV, TP4056-42-ESOP8, MQ-6 and ESP-12E. By type, the board carries 17 resistors, 13 capacitors, 9 diodes, 7 ICs, 3 connectors and 2 transistors.
It belongs with the sensors designs in this gallery.
Main components on the Air Quality Monitering System
Air Quality Monitering System bill of materials (BOM)
54 components, 37 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-S3-MINI-1-N8 CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | D3V3XA4B10LP MT3608 | SOT-23-6 | U2 |
| 1 | TLV75801PDRV AMS1117-3.3 | SOT-223-3_TabPin2 | U3 |
| 1 | TP4056-42-ESOP8 | SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm_ThermalVias | U4 |
| 1 | MQ-6 | MQ-6 | U5 |
| 1 | ESP-12E | ESP-12E | U6 |
| 1 | SSD 1306 | SSD 1306 | U7 |
| 2 | SS8050 | SOT-23 | Q1, Q2 |
| 1 | CONN_01X21_PIN USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | CONN_01X21_PIN Conn_01x02_Pin | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x03_Pin | PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | RESET1 SW_Push | SW_SPST_TL3342 | SW1 |
| 1 | BOOT1 SW_Push | SW_SPST_TL3342 | SW2 |
| 2 | SS34 | D_SMA | D1, D2 |
| 3 | LESD5D5.OCT1G | D_SOD-323 | D3, D4, D5 |
| 1 | RED | D_0603_1608Metric | D6 |
| 1 | GREEN | D_0603_1608Metric | D7 |
| 2 | LED | D_0603_1608Metric | D8, D9 |
| 1 | L | L_6.3x6.3_H3 | L1 |
| 1 | 0.1UF 10uf/25V | CP_Elec_6.3x5.7 | C1 |
Show 17 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10UF 10nf | C_0805_2012Metric | C2 |
| 2 | 0.1UF 22uf | C_0805_2012Metric | C3, C4 |
| 1 | 10UF 0.1uf | C_0603_1608Metric | C5 |
| 1 | 10UF 10uf | C_0805_2012Metric | C6 |
| 3 | 10uf | C_0805_2012Metric | C7, C8, C9 |
| 4 | 0.1uf | C_0603_1608Metric | C10, C11, C12, C13 |
| 1 | 10K 5.1k | R_0603_1608Metric | R1 |
| 1 | 5.1k | R_0603_1608Metric | R2 |
| 1 | 5.1K 10k | R_0603_1608Metric | R3 |
| 1 | 200K 10k | R_0603_1608Metric | R4 |
| 1 | 75k | R_0603_1608Metric | R5 |
| 4 | 10k | R_0603_1608Metric | R6, R12, R13, R14 |
| 3 | 1k | R_0603_1608Metric | R7, R8, R11 |
| 1 | 1k2 | R_0603_1608Metric | R9 |
| 1 | 4.7k | R_0603_1608Metric | R10 |
| 1 | 0E | R_0603_1608Metric | R15 |
| 2 | 220E | R_0603_1608Metric | R16, R17 |
Air Quality Monitering System design files
The KiCad project lives in the SREE-VISHNU-N/PCB_DESIGN repository on GitHub; these links point at the commit this page was built from.
Air Quality Monitering System: common questions
What microcontroller does the Air Quality Monitering System use?
The Air Quality Monitering System is built around the ESP32-S3-MINI-1-N8, from the ESP32 family.
How big is the Air Quality Monitering System PCB?
The Air Quality Monitering System measures 72.3 × 33.7 mm, has 4 copper layers and is 1.600198 mm thick.
How many components are on the Air Quality Monitering System?
54 components, from 37 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Air Quality Monitering System design files?
From the SREE-VISHNU-N/PCB_DESIGN repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Air Quality Monitering System design in my own project?
The repository has no license, so all rights stay with SREE-VISHNU-N. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Air Quality Monitering System without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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