2 layers56 × 43 mm
TRANSFORMERLESS POWER SUPPLY
dibyashreesahu/Kicad-Projects
This repository contains a PCB designed using KiCad, an open-source electronic design automation (EDA) software.
19 parts
2 layers80.5 × 75.5 mm
30A HOME AUTOMATION WITH ESP32
dibyashreesahu/Kicad-ProjectsThis repository contains a PCB designed using KiCad, an open-source electronic design automation (EDA) software.
- Size
- 80.5 × 75.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 33
- Nets
- 52
- Pads
- 174
- Tracks, vias
- 190, 30
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 30 Jun 2026
- Updated
- 30 Jun 2026
Overview
30A HOME AUTOMATION WITH ESP32 is an open-source printed circuit board by dibyashreesahu, from the dibyashreesahu/Kicad-Projects repository on GitHub. It is a 2-layer board of 80.5 × 75.5 mm with 33 parts on 52 nets, routed with 190 tracks and 30 vias.
It is built around the ESP32-WROOM-32, HLK-PM01 and AMS1117-3.3, with the S8050 and PR13-5V-450-1C among its other parts. Its parts include 8 resistors, 4 ICs, 4 diodes, 4 switches and 3 connectors. It belongs with the home automation and IoT boards and the ESP32 boards of this library.
Main components
5
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
HLK-PM01
DIP,34x24mm0.1W 100mVp-p 15mm 20mm 34mm 3W 3kV 5V 700mA 73% 85VAC~265VAC AC-DC Short Circuit Protection、Over Current Protection、Fault self-recovery ±0.2% 插件,34x20mm AC-DC Power Modules ROHSHI-LINKAC-DC Power Modules
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
S8050
SOT-23-55℃~+150℃ 1 NPN 100MHz 100nA 120 25V 300mW 500mA 5V 600mV NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)PR13-5V-450-1C
插件,19x15.5mm-40℃~+85℃ 100mΩ 10A 10A@30VDC、10A@250VAC 10ms 30V@DC、250V@AC 450mW 55Ω 5V 5ms One set changeover: 1C (SPDT - changeover) Silver Alloy 插件,19x15.5mm Power Relays ROHSCUIPower Relays
Parts
33| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1K | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4, R5, R6 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.7mm_M2.5_Pad_Via | H1, H2, H3, H4 |
| 2 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D2, D3 |
| 2 | LED | LED_SMD:LED_0805_2012Metric | D1, D4 |
| 2 | PC817 | Package_DIP:DIP-4_W7.62mm | U2, U3 |
| 2 | S8050 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2 |
| 2 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1, SW2 |
| 1 | 10K | Resistor_SMD:R_0805_2012Metric | R8 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 1OK | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 22uF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U4 |
| 1 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | ESP32-WROOM-32 | RF_Module:ESP32-WROOM-32 | U1 |
| 1 | HLK-PM01 | Converter_ACDC:Converter_ACDC_Hi-Link_HLK-PMxx | PS1 |
| 1 | PR13-5V-450-1C | PR13-5V-450-1C:RELAY_PR13-5V-450-1C | K2 |
| 1 | RAYEX-L90AS | Relay_THT:Relay_SPST_RAYEX-L90AS | K1 |
| 1 | Screw_Terminal_01x03 | TerminalBlock:TerminalBlock_MaiXu_MX126-5.0-03P_1x03_P5.00mm | J3 |
| 1 | Screw_Terminal_01x04 | TerminalBlock:TerminalBlock_MaiXu_MX126-5.0-04P_1x04_P5.00mm | J2 |
The 32 most common of 33 parts.
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Questions
How big is the 30A HOME AUTOMATION WITH ESP32 PCB?
It measures 80.5 × 75.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 30A HOME AUTOMATION WITH ESP32 use?
33 parts, built around the ESP32-WROOM-32, HLK-PM01, AMS1117-3.3 and S8050. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the 30A HOME AUTOMATION WITH ESP32 KiCad files?
From the dibyashreesahu/Kicad-Projects repository on GitHub, at the commit this page was made from: the board is 30A HOME AUTOMATION WITH ESP32/30A HOME AUTOMATION WITH ESP32.kicad_pcb and its schematic 30A HOME AUTOMATION WITH ESP32/30A HOME AUTOMATION WITH ESP32.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 30A HOME AUTOMATION WITH ESP32 design in my own project?
Its repository states no licence, so its author keeps all rights: ask dibyashreesahu before reusing the design.