Electronics homeassistant multisensor
crgarcia12·electronics-homeassistant-multisensor·PCB/schematics-v01/kicad/hamodule.kicad_pcb
About the Electronics homeassistant multisensor PCB
Electronics homeassistant multisensor is an open source ESP32 PCB design by crgarcia12, published on GitHub. It is a 2-layer board measuring 78.4 × 84.3 mm, with 92 components from 41 distinct parts.
Its main chip is the ESP32-S3-WROOM-2, from the ESP32 family. Other key parts include the LD1117AV33, ULN2003A, USBLC6-2SC6, LDA210-PDIP and SHT4x. By type, the board carries 26 resistors, 20 capacitors, 13 connectors, 9 fuses, 7 ICs and 7 diodes.
It belongs with the iot & wireless designs in this gallery.
From the project
This circuit controll home lights following these rules: 1. Safe: Safety is not trade in any decision. 1. Fail safe: If this device fails, the ligts are still controllable using the mechanical switches. 1. Follows standard instalation: This device does not require you to wire you
This circuit controll home lights following these rules: 1. Safe: Safety is not trade in any decision. 1. Fail safe: If this device fails, the ligts are still controllable using the mechanical switches. 1. Follows standard instalation: This device does not require you to wire your house for it. 1. It can be installed centrally
The circuit is placed close to the mains switching box, next to the latching relays. Wiring:

Main components on the Electronics homeassistant multisensor
Electronics homeassistant multisensor bill of materials (BOM)
92 components, 41 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LD1117AV33 | TO-220-3_Vertical | U1 |
| 1 | ESP32-S3-WROOM-2 | ESP32-S3-WROOM-2 | U2 |
| 1 | ULN2003A | SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | USBLC6-2SC6 | SOT-23-6 | U4 |
| 2 | LDA210-PDIP | DIP-8_W7.62mm_Socket_LongPads | U5, U6 |
| 1 | SHT4x | XDCR_SHT40-AD1B-R2 | U7 |
| 1 | GND|5V | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J1 |
| 1 | 2604-1102 | big_pads_2604-1102 | J2 |
| 1 | I2C | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | 13|12 | PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | 9|3|16 | PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | GND|3.3V | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J6 |
| 1 | Current Jumper | PinHeader_1x02_P2.54mm_Vertical | J7 |
| 1 | EspRelays | PinSocket_1x04_P2.54mm_Vertical | J8 |
| 2 | 2604-1104 | big_pads_2604-1104 | J9, J12 |
| 1 | Serial | PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J11 |
| 1 | EspSense | PinSocket_1x04_P2.54mm_Vertical | J13 |
| 1 | 250V500mA | Fuseholder_TR5_Littelfuse_No560_No460 | F1 |
| 8 | Fuse | FUSE_RST-1-BULK | F2, F3, F4, F5, F6, F7, F8, F9 |
Show 21 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | AQG12205 | AQG12205 | K1, K2, K3, K4 |
| 1 | RAC05-05SK/277 | 277 | PS1 |
| 1 | 400V | RV_Disc_D12mm_W4.2mm_P7.5mm | RV1 |
| 2 | Switch | SW_SPST_TL3342 | SW1, SW2 |
| 1 | USB | PS | PinHeader_1x03_P2.54mm_Vertical | SW3 |
| 1 | GND | TestPoint_THTPad_1.0x1.0mm_Drill0.5mm | TP1 |
| 2 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2 |
| 1 | BAT60A | D_SOD-323 | D3 |
| 4 | LED | LED_0603_1608Metric | D4, D5, D6, D7 |
| 6 | 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C4, C5, C9, C14, C19 |
| 1 | NC | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2 |
| 5 | 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C15, C16, C17, C18 |
| 5 | NC | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C6, C7, C10, C11, C20 |
| 1 | 10uF | CP_Radial_D6.3mm_P2.50mm | C8 |
| 2 | 20p | C_0603_1608Metric | C12, C13 |
| 7 | 10kΩ | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R6, R7, R11, R12, R13, R14 |
| 2 | 100Ω | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R5 |
| 2 | 22Ω | R_0603_1608Metric | R3, R4 |
| 9 | 150kΩ1w | R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R8, R15, R16, R17, R18, R19, R20, R21 +1 |
| 2 | 5.1kΩ | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9, R10 |
| 4 | 100Ω | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R23, R24, R25, R26 |
Electronics homeassistant multisensor design files
The KiCad project lives in the crgarcia12/electronics-homeassistant-multisensor repository on GitHub; these links point at the commit this page was built from.
Electronics homeassistant multisensor: common questions
What microcontroller does the Electronics homeassistant multisensor use?
The Electronics homeassistant multisensor is built around the ESP32-S3-WROOM-2, from the ESP32 family.
How big is the Electronics homeassistant multisensor PCB?
The Electronics homeassistant multisensor measures 78.4 × 84.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Electronics homeassistant multisensor?
92 components, from 41 distinct parts. The full bill of materials is listed on this page.
Where can I download the Electronics homeassistant multisensor design files?
From the crgarcia12/electronics-homeassistant-multisensor repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Electronics homeassistant multisensor design in my own project?
The repository has no license, so all rights stay with crgarcia12. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Electronics homeassistant multisensor 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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