Domoticata main control unit
About the Domoticata main control unit PCB
Domoticata main control unit is an open source ESP32 PCB design by LoZioo, published on GitHub under the MIT license. It is a 2-layer board measuring 151.8 × 95.4 mm, with 128 components from 34 distinct parts.
Its main chip is the ESP-WROOM-32, from the ESP32 family. Other key parts include the PC817, MAX487E, LM2596T-ADJ, LM35-D and LM324. By type, the board carries 61 resistors, 18 ICs, 18 transistors, 8 connectors, 8 diodes and 7 capacitors.
From the project
Custom domotic home system.
Main components on the Domoticata main control unit
Domoticata main control unit bill of materials (BOM)
128 components, 34 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 13 | PC817 | DIP-4_W7.62mm | U1, U2, U3, U4, U5, U6, U7, U8 +5 |
| 1 | MAX487E | DIP-8_W7.62mm_Socket | U14 |
| 1 | ESP-WROOM-32 | ESP32_38PIN | U15 |
| 1 | LM2596T-ADJ | TO-220-5_Vertical | U16 |
| 1 | LM35-D | TO-92_Inline | U17 |
| 1 | LM324 | DIP-14_W7.62mm_Socket | U18 |
| 5 | 2N7000 | TO-92_Inline | Q1, Q2, Q6, Q7, Q18 |
| 13 | IRFZ44N | TO-220-3_Vertical | Q3, Q4, Q5, Q8, Q9, Q10, Q11, Q12 +5 |
| 1 | Screw_Terminal_01x12 | PhoenixContact_MCV_1,5_12-G-3.81_1x12_P3.81mm_D1.4mm_Vertical | J1 |
| 3 | Screw_Terminal_01x08 | PhoenixContact_MCV_1,5_8-G-3.81_1x08_P3.81mm_D1.4mm_Vertical | J2, J3, J5 |
| 1 | AudioJack4 | SCT013 | J4 |
| 1 | 6P6C | RJ25_Wayconn_MJEA-660X1_Horizontal | J6 |
| 2 | Conn_01x03_Pin | FanPinHeader_1x03_P2.54mm_Vertical | J7, J8 |
| 1 | T30A 250V | Fuseholder_Clip-6.3x32mm_Littelfuse_102_Inline_P34.21x7.62mm_D2.54mm_Horizontal | F1 |
| 1 | Heatsink_Pad | Heatsink_Custom_1 | HS1 |
| 4 | Relay_SPDT | Relay_SPDT_Omron-G5LE-1 | K1, K2, K3, K4 |
| 1 | Transformer_1P_1S | Transformer | T1 |
| 5 | 1N4007 | D_DO-41_SOD81_P7.62mm_Horizontal | D1, D2, D3, D4, D6 |
| 1 | 1N5819 | D_DO-41_SOD81_P7.62mm_Horizontal | D5 |
| 1 | 1N5822 | D_DO-201AD_P12.70mm_Horizontal | D7 |
Show 14 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LED | LED_D5.0mm | D8 |
| 1 | 47u 3A | L_Toroid_Vertical_L14.7mm_W8.6mm_P5.58mm_Pulse_KM-1 | L1 |
| 2 | 100u 25V | CP_Radial_D6.3mm_P2.50mm | C1, C4 |
| 1 | 100u 50V | CP_Radial_D8.0mm_P3.80mm | C2 |
| 3 | 100n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C3, C5, C6 |
| 1 | 10u | CP_Radial_D4.0mm_P2.00mm | C7 |
| 9 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R12, R13, R46, R52, R58, R60 +1 |
| 15 | R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R4, R5, R14, R15, R16, R23, R24 +7 |
| 31 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6, R7, R8, R9, R10, R11, R17, R18 +23 |
| 1 | 1.5k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R45 |
| 2 | 120 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R47, R57 |
| 1 | 3k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R49 |
| 1 | 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R54 |
| 1 | 680 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R59 |
Domoticata main control unit design files
The KiCad project lives in the LoZioo/Domoticata repository on GitHub; these links point at the commit this page was built from.
Domoticata main control unit: common questions
What microcontroller does the Domoticata main control unit use?
The Domoticata main control unit is built around the ESP-WROOM-32, from the ESP32 family.
How big is the Domoticata main control unit PCB?
The Domoticata main control unit measures 151.8 × 95.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Domoticata main control unit?
128 components, from 34 distinct parts. The full bill of materials is listed on this page.
Where can I download the Domoticata main control unit design files?
From the LoZioo/Domoticata repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Domoticata main control unit design in my own project?
Yes, under the terms of its MIT license, which LoZioo chose for the repository.
Can I test firmware for the Domoticata main control unit 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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