2 layers
Pcb layout
johnffred/TarjetaSalidasESP32
Proyecto de control de salidas con ESP32, pantalla LCD y relés. Esquemático en KiCad.
39 parts
2 layers68 × 76.8 mm
Smart Water Heater Control
sanjith161718/pcb_assignment- Size
- 68 × 76.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 7
- Nets
- 48
- Pads
- 73
- Tracks, vias
- 65, 7
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 29 Apr 2025
- Updated
- 29 Apr 2025
Overview
Smart Water Heater Control is an open-source printed circuit board by sanjith161718, from the sanjith161718/pcb_assignment repository on GitHub. It is a 2-layer board of 68 × 76.8 mm with 7 parts on 48 nets, routed with 65 tracks and 7 vias.
It is built around the ESP32-S2-WROVER-I(4M), HLK-PM03 and DS18B20, with the EL817 and S202S02F among its other parts. Its parts include 4 ICs and 2 resistors. It belongs with the ESP32 boards of this library.
Main components
5ESP32-S2-WROVER-I(4M)
18x31x3.3mm18x31x3.3mm WiFi Modules ROHSEspressif SystemsWiFi Modules
HLK-PM03
插件0.1W 1 100mVp-p 15mm 1A 20mm 3.3V 34mm 3W 3kV 70V~350V 72% 85VAC~265VAC AC/DC-DC Short Circuit Protection、Over Current Protection ±0.2% 插件 AC-DC Power Modules ROHSHI-LINKAC-DC Power Modules
DS18B20
TO-92-55℃~+125℃ 12bit 3V~5.5V 750ms Single-bus ±0.4℃ TO-92 Temperature Sensors ROHSUMWTemperature Sensors
EL817
DIP-4-55℃~+110℃ 1 1.2V 100mV@20mA,1mA 18us 18us 5.8mA 50% 50V 5kV 600% 9V Phototransistor DIP-4 Transistor, Photovoltaic Output Optoisolators ROHSEverlight ElectronicsTransistor, Photovoltaic Output Optoisolators
S202S02F
SIP-4SIP-4 Solid State Relays (Triac Output) ROHSSharp MicroelectronicsSolid State Relays (Triac Output)
README
README.mdView this project on CADLAB.io.
pcb_assignment
Parts
7| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | DS18B20 | Package_TO_SOT_THT:TO-92_Inline | U1 |
| 1 | EL817 | Package_DIP:DIP-4_W7.62mm | U2 |
| 1 | ESP32-S2-WROVER | RF_Module:ESP32-S2-WROVER | U3 |
| 1 | HLK-PM03 | Converter_ACDC:Converter_ACDC_Hi-Link_HLK-PMxx | PS1 |
| 1 | Heater | Resistor_SMD:R_0402_1005Metric | R2 |
| 1 | R_US | Resistor_SMD:R_0201_0603Metric | R1 |
| 1 | S202S02 | Package_SIP:SIP4_Sharp-SSR_P7.62mm_Straight | U4 |
Questions
How big is the Smart Water Heater Control PCB?
It measures 68 × 76.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Smart Water Heater Control use?
7 parts, built around the ESP32-S2-WROVER-I(4M), HLK-PM03, DS18B20 and EL817. 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 Smart Water Heater Control KiCad files?
From the sanjith161718/pcb_assignment repository on GitHub, at the commit this page was made from: the board is Smart Water Heater Control.kicad_pcb and its schematic Smart Water Heater Control.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Smart Water Heater Control design in my own project?
Its repository states no licence, so its author keeps all rights: ask sanjith161718 before reusing the design.
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