IDM-RoomSensor-ESP-B-ES5-MODULAR
About the IDM-RoomSensor-ESP-B-ES5-MODULAR PCB
IDM-RoomSensor-ESP-B-ES5-MODULAR is an open source ESP32 PCB design by Xerolux, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 130 × 100 mm, with 84 components from 60 distinct parts.
Its main chip is the ESP32-C6-WROOM-1-N16, from the ESP32 family. Other key parts include the LMR36510ADDAR, AP2112K-3.3TRG1, SHT45-AD1B-R2, MCP4725A0T-E/CH and OPA197IDBVR. By type, the board carries 25 resistors, 21 capacitors, 11 connectors, 7 ICs, 4 switches and 4 diodes.
It belongs with the sensors designs in this gallery.
From the project
The newest manufacturing revision is B-ES5-MODULAR, a 130 x 100 mm four-layer engineering sample. It keeps ESP32-C6-N16, SHT45, USB-C, 24 V, isolated RS-485, 0-10 V input/output, 1-Wire and contact inputs on the base and moves CO2, VOC/NOx and pressure onto three universal 25 x 2
The newest manufacturing revision is B-ES5-MODULAR, a 130 x 100 mm four-layer engineering sample. It keeps ESP32-C6-N16, SHT45, USB-C, 24 V, isolated RS-485, 0-10 V input/output, 1-Wire and contact inputs on the base and moves CO2, VOC/NOx and pressure onto three universal 25 x 25 mm AIR-SLOT modules. The symmetric 2x4 connector is electrically safe after 180-degree rotation and each module has its own 3.3 V regulator.
Main components on the IDM-RoomSensor-ESP-B-ES5-MODULAR
IDM-RoomSensor-ESP-B-ES5-MODULAR bill of materials (BOM)
84 components, 60 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LMR36510ADDAR Texas Instruments | TI_SO-PowerPAD-8_ThermalVias | U1 |
| 1 | AP2112K-3.3TRG1 AP2112K-3.3 TECH PUBLIC | SOT-23-5 | U2 |
| 1 | ESP32-C6-WROOM-1-N16 Espressif Systems | ESP32-C6-WROOM-1 | U3 |
| 1 | SHT45-AD1B-R2 SHT45 Sensirion | Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad | U4 |
| 1 | MCP4725A0T-E/CH MCP4725A0T Microchip | SOT-23-6 | U5 |
| 1 | OPA197IDBVR Texas Instruments | SOT-23-5 | U6 |
| 1 | CA-IS3092W Chipanalog | SOIC-16W_7.5x10.3mm_P1.27mm | U7 |
| 1 | MX205R-5.0-04P-GN01-CU-A MX205R PUSH-IN 43/42/41/40 MAX | TerminalBlock_MaiXu_MX126-5.0-04P_1x04_P5.00mm | J1 |
| 1 | MX205R-5.0-04P-GN01-CU-A MX205R PUSH-IN RS485 A/B/COM/SH MAX | TerminalBlock_MaiXu_MX126-5.0-04P_1x04_P5.00mm | J2 |
| 1 | TYPE-C-31-M-12 USB-C Korean Hroparts | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J3 |
| 1 | C160407 EXPANSION JST | JST_SH_SM08B-SRSS-TB_1x08-1MP_P1.00mm_Horizontal | J4 |
| 1 | MX205R-5.0-03P-GN01-CU-A 1WIRE A 3V/DQ/GND MAX | TerminalBlock_MaiXu_MX126-5.0-03P_1x03_P5.00mm | J5 |
| 1 | MX205R-5.0-03P-GN01-CU-A 1WIRE B 3V/DQ/GND MAX | TerminalBlock_MaiXu_MX126-5.0-03P_1x03_P5.00mm | J6 |
| 1 | MX205R-5.0-03P-GN01-CU-A CONTACT 1/COM/2 MAX | TerminalBlock_MaiXu_MX126-5.0-03P_1x03_P5.00mm | J7 |
| 1 | MX205R-5.0-02P-GN01-CU-A 0-10V IN/GND MAX | TerminalBlock_MaiXu_MX126-5.0-02P_1x02_P5.00mm | J8 |
| 1 | AIR-SLOT CO2 | PinHeader_2x04_P2.54mm_Vertical | J9 |
| 1 | AIR-SLOT VOC-NOx | PinHeader_2x04_P2.54mm_Vertical | J10 |
| 1 | AIR-SLOT PRESSURE | PinHeader_2x04_P2.54mm_Vertical | J11 |
| 1 | USBLC6-2SC6 TECH PUBLIC | SOT-23-6 | ESD1 |
| 1 | 1812L050/30PR Littelfuse | Fuse_1812_4532Metric | F1 |
Show 40 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C481813 KTY81/210,112 NXP | TO-92_Inline | RTH1 |
| 1 | B3U-1000P RESET Omron | SW_SPST_B3U-1000P | SW1 |
| 1 | B3U-1000P BOOT Omron | SW_SPST_B3U-1000P | SW2 |
| 1 | SOP01 TERM ON/OFF BIWIN | SW_DIP_SPSTx01_Slide_Copal_CHS-01B_W7.62mm_P1.27mm | SW3 |
| 1 | B3U-1000P SERVICE Omron | SW_SPST_B3U-1000P | SW4 |
| 1 | SMBJ33A MDD | D_SMB | TVS1 |
| 3 | PCESD3V3D3 3V3 ESD TECH PUBLIC | D_SOD-323 | TVS2, TVS3, TVS4 |
| 1 | PESD12VL1BA-ES 12V ESD ElecSuper | D_SOD-323 | TVS5 |
| 1 | MHT192CGCT STATUS MEIHUA | LED_0603_1608Metric | LED1 |
| 1 | MHT192CGCT 24V MEIHUA | LED_0603_1608Metric | LED2 |
| 1 | MHT192CGCT BUS GREEN MEIHUA | LED_0603_1608Metric | LED3 |
| 1 | SS16 Zhengxin | D_SMA | D1 |
| 2 | SS14 JSMSEMI | D_SMA | D2, D3 |
| 1 | BAT54S IDCHIP | SOT-23 | D4 |
| 1 | SRP1038A-330M Bourns | L_10.4x10.4_H4.8 | L1 |
| 1 | 4.7UF/100V 4.7u 100V JLCPCB Assembly | C_1210_3225Metric | C1 |
| 1 | TCC0805X7R224K101FT 220n 100V CCTC | C_0805_2012Metric | C2 |
| 1 | CL21B105KBFNNNE 1u Samsung Electro-Mechanics | C_0805_2012Metric | C3 |
| 6 | GRM188R71H104KA93D 100n Murata | C_0603_1608Metric | C4, C10, C11, C19, C20, C21 |
| 2 | CL31A476MPHNNNE 47u Samsung Electro-Mechanics | C_1206_3216Metric | C5, C6 |
| 3 | GRM21BR71A106KE51L 10u Murata | C_0805_2012Metric | C7, C16, C18 |
| 1 | C2012X5R1A226MT0J0E 22u TDK | C_0805_2012Metric | C8 |
| 1 | CL10A105KB8NNNC 1u Samsung Electro-Mechanics | C_0603_1608Metric | C9 |
| 2 | GRM188R71H104KA93D 100n 50V Murata | C_0603_1608Metric | C12, C13 |
| 2 | CL21B104KBCNNNC 100n Samsung Electro-Mechanics | C_0805_2012Metric | C14, C17 |
| 1 | UT1A221M0810VG 220u 10V KS | CP_Elec_8x10 | C30 |
| 2 | 0603WAF1003T5E 100k UNI-ROYAL | R_0603_1608Metric | R1, R3 |
| 1 | 0603WAF2492T5E 24.9k UNI-ROYAL | R_0603_1608Metric | R2 |
| 2 | 0603WAF5101T5E 5.1k UNI-ROYAL | R_0603_1608Metric | R4, R5 |
| 5 | 0603WAF1002T5E 10k UNI-ROYAL | R_0603_1608Metric | R6, R18, R19, R21, R23 |
| 3 | RC0603FR-074K7L 4.7k Yageo | R_0603_1608Metric | R7, R8, R15 |
| 1 | C269418 21k 1% CAL TyoHM | R_0603_1608Metric | R9 |
| 1 | RT0603BRD0710KL 10k Yageo | R_0603_1608Metric | R10 |
| 1 | RC0603FR-07220RL 220R Yageo | R_0603_1608Metric | R11 |
| 1 | RC1206FR-07120RL 120R Yageo | R_1206_3216Metric | R12 |
| 1 | RC0603FR-071KL 1k Yageo | R_0603_1608Metric | R13 |
| 1 | 0603WAF1000T5E 100R UNI-ROYAL | R_0603_1608Metric | R14 |
| 4 | 0603WAF1001T5E 1k UNI-ROYAL | R_0603_1608Metric | R16, R17, R22, R25 |
| 1 | 0603WAF3302T5E 33k UNI-ROYAL | R_0603_1608Metric | R20 |
| 1 | 0603WAF1202T5E 12k UNI-ROYAL | R_0603_1608Metric | R24 |
IDM-RoomSensor-ESP-B-ES5-MODULAR design files
The KiCad project lives in the Xerolux/IDM-Smart-Climate-Platform repository on GitHub; these links point at the commit this page was built from.
IDM-RoomSensor-ESP-B-ES5-MODULAR: common questions
What microcontroller does the IDM-RoomSensor-ESP-B-ES5-MODULAR use?
The IDM-RoomSensor-ESP-B-ES5-MODULAR is built around the ESP32-C6-WROOM-1-N16, from the ESP32 family.
How big is the IDM-RoomSensor-ESP-B-ES5-MODULAR PCB?
The IDM-RoomSensor-ESP-B-ES5-MODULAR measures 130 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the IDM-RoomSensor-ESP-B-ES5-MODULAR?
84 components, from 60 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 IDM-RoomSensor-ESP-B-ES5-MODULAR design files?
From the Xerolux/IDM-Smart-Climate-Platform 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 IDM-RoomSensor-ESP-B-ES5-MODULAR design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which Xerolux chose for the repository.
Can I test firmware for the IDM-RoomSensor-ESP-B-ES5-MODULAR 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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