Esp32s2-co2-monitor
About the Esp32s2-co2-monitor PCB
Esp32s2-co2-monitor is an open source ESP32 PCB design by gregdavill, published on GitHub. It is a 4-layer board measuring 70.3 × 42.8 mm, with 67 components from 37 distinct parts.
Its main chip is the ESP32-S2, from the ESP32 family. Other key parts include the USBLC6-2P6, TLV62569DRLR, W25Q32JVZPIQ, RV-8803-C7 and BQ24072RGT. By type, the board carries 25 capacitors, 19 resistors, 7 ICs, 6 inductors, 4 connectors and 3 switches.
It belongs with the displays & leds, sensors and dev boards & breakouts designs in this gallery.
From the project
1 circuit board design a day for 31 days.
ESP32s2 + Sharp memory LCD + CO2 Monitor
Main components on the Esp32s2-co2-monitor
Esp32s2-co2-monitor bill of materials (BOM)
67 components, 37 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USBLC6-2P6 USBLC6-2 | SOT-666 | U1 |
| 1 | TLV62569DRLR TLV62569DRL | SOT-666 | U2 |
| 1 | ESP32-S2 | QFN-56-1EP_7x7mm_P0.4mm_EP5.6x5.6mm | U3 |
| 1 | W25Q32JVZPIQ | WSON-8-1EP_6x5mm_P1.27mm_EP3.4x4mm | U4 |
| 1 | RV-8803-C7 | RTC_SMD_MicroCrystal_C3_2.5x3.7mm | U5 |
| 1 | BQ24072RGT | VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U6 |
| 1 | TPS63900 | WSON-10-1EP_2.5x2.5mm_P0.5mm_EP1.2x2mm_ThermalVias | U7 |
| 1 | SX20Y040000BC1T 40MHz | Crystal_SMD_4Pin_2.0x1.6mm | Y1 |
| 1 | USB4105-GF-A USB_C | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | Conn_01x10_MountingPin | Hirose_FH33-10S-0.5SH_1x10-1MP_P0.50mm_Horizontal | J2 |
| 1 | Conn_01x07_Male | PinHeader_1x07_P2.54mm_Vertical | J3 |
| 1 | S2B-PH-SM4-TB(LF)(SN) JST | BM02B-GHS-TBT | J4 |
| 1 | SLDA31-2R400G-S2TF Antenna | Texas_SWRA117D_2.4GHz_Left | AE1 |
| 3 | SW_Push | SW_SPST_PTS810 | SW1, SW2, SW3 |
| 1 | D_ALT | D_SOD-523 | D1 |
| 3 | BLM15BC241SN1D 240R | L_0402_1005Metric | FB1, FB2, FB3 |
| 2 | SLM20122R2MIT 2.2uH | L_0805_2012Metric | L1, L3 |
| 1 | TBD | L_0402_1005Metric | L2 |
| 4 | CC0402KRX5R6BB475 4.7uF | C_0402_1005Metric | C1, C21, C22, C25 |
| 5 | CC0402MRX5R5BB225 2.2uF | C_0402_1005Metric | C2, C7, C17, C18, C23 |
Show 17 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | CC0402GRNPO9BN180 18pF | C_0402_1005Metric | C3, C4 |
| 1 | CC0402CRNPO9BN6R8 6.8pF | C_0402_1005Metric | C5 |
| 1 | CC0402KRX5R6BB105 1uF | C_0402_1005Metric | C6 |
| 3 | CC0603KRX5R5BB106 10u | C_0603_1608Metric | C8, C14, C19 |
| 5 | CC0402ZRY5V7BB104 100n | C_0402_1005Metric | C9, C12, C13, C15, C20 |
| 2 | TBD | C_0402_1005Metric | C10, C11 |
| 1 | DCK-3R3E224U-E CP1 | BatteryHolder_Seiko_MS621F | C16 |
| 1 | CC0402KRX5R6BB105 22uF | C_0603_1608Metric | C24 |
| 1 | RC0402FR-071ML 1M | R_0402_1005Metric | R1 |
| 2 | RC0402FR-075K1L 5k1 | R_0402_1005Metric | R2, R3 |
| 2 | RC0402FR-0722RL 22R | R_0402_1005Metric | R4, R5 |
| 1 | RC0402FR-07210KL 210k | R_0402_1005Metric | R6 |
| 1 | RC0402FR-0747KL 47k | R_0402_1005Metric | R7 |
| 8 | RC0402FR-0710KL 10k | R_0402_1005Metric | R8, R9, R10, R12, R13, R14, R15, R16 |
| 2 | 100R | R_0402_1005Metric | R11, R17 |
| 1 | RC0402FR-07210KL 36.5k | R_0402_1005Metric | R18 |
| 1 | RC0402FR-07210KL 16.2k | R_0402_1005Metric | R19 |
Esp32s2-co2-monitor design files
The KiCad project lives in the gregdavill/advent-calendar-of-circuits-2020 repository on GitHub; these links point at the commit this page was built from.
Esp32s2-co2-monitor: common questions
What microcontroller does the Esp32s2-co2-monitor use?
The Esp32s2-co2-monitor is built around the ESP32-S2, from the ESP32 family.
How big is the Esp32s2-co2-monitor PCB?
The Esp32s2-co2-monitor measures 70.3 × 42.8 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Esp32s2-co2-monitor?
67 components, from 37 distinct parts. The full bill of materials is listed on this page.
Where can I download the Esp32s2-co2-monitor design files?
From the gregdavill/advent-calendar-of-circuits-2020 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Esp32s2-co2-monitor design in my own project?
The repository has no license, so all rights stay with gregdavill. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Esp32s2-co2-monitor 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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