Pet climate control
About the Pet climate control PCB
Pet climate control is an open source ESP32 PCB design by Yuan-Quan, published on GitHub. It is a 2-layer board measuring 217.2 × 95.3 mm, with 218 components from 62 distinct parts.
Its main chip is the ESP32-S3-DEVKITC, from the ESP32 family. Other key parts include the HUSB238_002DD, TPS55288RPMR, MP2315SGJ-Z, TCA6408ARGTR and MPR121QR2. By type, the board carries 111 resistors, 59 capacitors, 17 ICs, 8 switches, 6 connectors and 5 transistors.
Main components on the Pet climate control
Pet climate control bill of materials (BOM)
218 components, 62 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-S3-DEVKITC ESP32-S3-DevKitC | ESP32-S3-DevKitC | U1 |
| 1 | HUSB238_002DD | DFN-10_L3.0-W3.0-P0.50-BL-EP2.5 | U2 |
| 1 | TPS55288RPMR | VQFN-HR-26_L4.0-W3.5_TPS55288RPMR | U3 |
| 1 | MP2315SGJ-Z | TSOT-23-8_L2.9-W1.6-P0.65-LS2.8-BL | U4 |
| 3 | TCA6408ARGTR | QFN-16_L3.0-W3.0-P0.50-BL-EP1.7 | U5, U6, U17 |
| 1 | MPR121QR2 | QFN-20_L3.0-W3.0-P0.40-BL | U7 |
| 1 | ~ | SD2405AL | U8 |
| 2 | MAX31856MUD+T | TSSOP-14_L5.0-W4.4-P0.65-LS6.4-BL | U9, U10 |
| 1 | BME680 | LGA-8_L3.0-W3.0-P0.80-TR | U11 |
| 1 | C477859 EInk_Module | EDP_MODULE_SPI_8P-P2.00_PH2.0-8S | U12 |
| 1 | BTS5215L | PG-DSO-12_L7.8-W7.5-P1.00-LS10.3-BL | U13 |
| 1 | INA3221AIRGVR | QFN-16_L4.0-W4.0-P0.65-TL-EP2.2 | U14 |
| 1 | EMC2302-1-AIZL EMC2302-1-AIZL-TR | MSOP-10_L3.0-W3.0-P0.50-LS4.9-BL | U15 |
| 1 | DRV8873SPWPR | HTSSOP-24_L7.8-W4.4-P0.65-LS6.4-TL-EP | U16 |
| 1 | AO4407A | SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL | Q1 |
| 2 | AO4468 | SOP-8_L4.9-W3.9-P1.27-LS6.0-BL | Q2, Q3 |
| 2 | AO3400A | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | Q6, Q7 |
| 1 | C431092 TC_HOT | CONN-TH_XT30PW-M | CN1 |
| 1 | AHT_1 | CONN-TH_4P-P2.50_A2501-04AW | CN3 |
| 1 | AHT_2 | CONN-TH_4P-P2.50_A2501-04AW | CN4 |
Show 42 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C431092 MAT | CONN-TH_XT30PW-M | CN5 |
| 1 | WJ15EDGRC-3.81-6P | CONN-TH_WJ15EDGRC-3.81-6P | CN6 |
| 1 | C431092 Peltier | CONN-TH_XT30PW-M | CN7 |
| 1 | FAN0 Fan0 | HDR-TH_4P-P2.54-V-M-1 | H1 |
| 1 | FAN1 Fan0&1 | HDR-TH_4P-P2.54-V-M-1 | H2 |
| 2 | C397241 G5Q-14 DC5_C397241 | RELAY-TH_G5Q-14-DCXX | K1, K2 |
| 4 | C720477 ~ | SW-SMD_L3.9-W3.0-P4.45 | SW1, SW2, SW3, SW4 |
| 4 | C370970 ~ | SW-TH_EC11E15244G1 | SW5, SW6, SW7, SW8 |
| 1 | VBUS_RAW | TestPoint_THTPad_D1.5mm_Drill0.7mm | TP4 |
| 1 | 5V PSU OUT | TestPoint_THTPad_D1.5mm_Drill0.7mm | TP7 |
| 1 | TYPE-C-31-M-12 | USB-C_SMD-TYPE-C-31-M-12_1 | USBC1 |
| 1 | TPD4E05U06DQAR_C138714 | USON-10_L2.5-W1.0-P0.50-BL | D1 |
| 2 | SS14 | SMA_L4.2-W2.6-LS5.0-RD_1 | D5, D6 |
| 1 | 4.7U 4.7u | IND-SMD_L13.8-W12.6_SMMS1360 | L1 |
| 1 | SMMS1360-4R7M | IND-SMD_L13.8-W12.6_SMMS1360 | L2 |
| 3 | 1u | C1206 | C1, C64, C66 |
| 7 | 10U 10u | C1206 | C2, C3, C4, C5, C52, C62, C63 |
| 1 | 4.7U 4.7u | C0805 | C6 |
| 1 | 1n | C0603 | C7 |
| 5 | 10N 10n | C0805 | C8, C50, C51, C56, C58 |
| 1 | 22P 22p | C0603 | C9 |
| 1 | 1.8N 1.8n | C0603 | C10 |
| 8 | 22U 22u | C1206 | C11, C12, C13, C14, C17, C20, C21, C68 |
| 2 | 0.1U 0.1u | C0402 | C15, C16 |
| 29 | 100N 100n | C0402 | C18, C19, C32, C33, C34, C35, C36, C37 +21 |
| 1 | 47N 47n | C0805 | C65 |
| 2 | 10 | R1206 | R1, R16 |
| 29 | 22 | R0603 | R2, R20, R21, R78, R79, R80, R82, R83 +21 |
| 3 | 100 | R0805 | R3, R72, R73 |
| 3 | 20K 20k | R0603 | R4, R8, R17 |
| 5 | 100K 100k | R0603 | R5, R9, R15, R70, R71 |
| 1 | 510K | R0603 | R6 |
| 1 | 49.9K 49.9k | R0603 | R7 |
| 1 | 68K 68k | R0805 | R10 |
| 4 | 10M 10m | R2512 | R11, R62, R67, R68 |
| 2 | 1 | R0603 | R12, R13 |
| 11 | 10K | R0805 | R14, R74, R77, R100, R101, R102, R104, R105 +3 |
| 2 | 75K | R0603 | R18, R58 |
| 1 | 40.2K 40.2k | R0603 | R19 |
| 40 | 10K | R0603 | R22, R24, R25, R26, R27, R28, R29, R30 +32 |
| 4 | 3.3K | R0603 | R23, R57, R59, R60 |
| 2 | 1.5K | R0603 | R75, R76 |
Pet climate control design files
The KiCad project lives in the Yuan-Quan/pet-climate-control repository on GitHub; these links point at the commit this page was built from.
Pet climate control: common questions
What microcontroller does the Pet climate control use?
The Pet climate control is built around the ESP32-S3-DEVKITC, from the ESP32 family.
How big is the Pet climate control PCB?
The Pet climate control measures 217.2 × 95.3 mm, has 2 copper layers and is 0.19 mm thick.
How many components are on the Pet climate control?
218 components, from 62 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 Pet climate control design files?
From the Yuan-Quan/pet-climate-control 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 Pet climate control design in my own project?
The repository has no license, so all rights stay with Yuan-Quan. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Pet climate control 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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