Solar Powered Egg Incubator
About the Solar Powered Egg Incubator PCB
Solar Powered Egg Incubator is an open source ESP32 PCB design by jsitech4, published on GitHub. It is a 2-layer board measuring 100 × 90.1 mm, with 100 components from 65 distinct parts.
Its main chip is the ESP32-WROOM, from the ESP32 family. Other key parts include the LM2596S-3.3V, AMS1117-3.3 and CH340C. By type, the board carries 26 capacitors, 23 resistors, 12 diodes, 11 connectors, 5 ICs and 4 jumpers.
It belongs with the power & battery, sensors and iot & wireless designs in this gallery.
From the project
This project is a solar-powered egg incubator system built around the ESP32-WROOM-32 / ESP32-WROOM-32U microcontroller. I designed the system to monitor and control the important conditions required inside the incubator, such as temperature, humidity, battery level, solar input,
This project is a solar-powered egg incubator system built around the ESP32-WROOM-32 / ESP32-WROOM-32U microcontroller. I designed the system to monitor and control the important conditions required inside the incubator, such as temperature, humidity, battery level, solar input, and internal distance/level monitoring through an ultrasonic sensor.
The system uses a modular firmware structure so that every major function is separated into its own module. This makes the code easier to maintain, test, and expand in the future.
Main components on the Solar Powered Egg Incubator
Solar Powered Egg Incubator bill of materials (BOM)
100 components, 65 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM2596S-3.3V | TO-263-5_TabPin6 | U1 |
| 1 | ESP32-WROOM LM2596S-5V | TO-263-5_TabPin6 | U3 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U5 |
| 1 | CH340C ESP32-WROOM | ESP32-WROOM-32 | U7 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U8 |
| 1 | UMH3N | SOT-363_SC-70-6 | Q2 |
| 1 | TIP41 | TO-220-3_Vertical | Q9 |
| 1 | 12MHz | Crystal_HC49-4H_Vertical | Y2 |
| 1 | FAN | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J1 |
| 1 | SPINNER | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J2 |
| 1 | BMS | TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J3 |
| 1 | RTC | PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | AHT20 | PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | HUMIDIFIER | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J6 |
| 1 | HEATER | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J7 |
| 1 | LEVELS | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | USB_C Conn | PinHeader_1x04_P2.54mm_Vertical | J23 |
| 1 | Ultra Sonic | PinSocket_1x04_P2.54mm_Vertical | J42 |
| 1 | SCREEN | PinHeader_1x12_P2.54mm_Vertical | J47 |
| 1 | Buzzer | Buzzer_15x7.5RM7.6 | BZ6 |
Show 45 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | ~ | SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP2, JP3, JP4, JP5 |
| 3 | 30A/12V RELAY | Relay_SPDT_Finder_36.11 | K4, K5, K6 |
| 1 | PC817XFP PC817XI | SMDIP-4_W9.53mm | OC1 |
| 4 | PC817XI | SMDIP-4_W9.53mm | OC8, OC9, OC10, OC11 |
| 2 | PC817 | SMDIP-4_W9.53mm | OC13, OC14 |
| 1 | 10K | Potentiometer_Bourns_3296W_Vertical | RV2 |
| 1 | RESET | SW_SPST_CK_KXT3 | SW4 |
| 1 | FLASH | SW_SPST_CK_KXT3 | SW5 |
| 1 | 1N5824 | D_SMA | D1 |
| 1 | 1N5824 | D_SMA | D2 |
| 1 | 1N5824 3.3V | D_SOD-123 | D3 |
| 1 | 3.3V | D_SOD-123 | D4 |
| 1 | Red | LED_D3.0mm | D8 |
| 1 | 1N5819 | D_SMA | D9 |
| 1 | SM4001 Red | LED_D3.0mm | D11 |
| 1 | Green | LED_D3.0mm | D12 |
| 1 | 1N5819 | D_SMA | D14 |
| 3 | SM4001 1N4007 | D_SMA | D23, D24, D25 |
| 2 | 33UH 33uH | L_12x12mm_H6mm | L1, L2 |
| 1 | 680UF/35V 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 2 | 680UF/35V 680uF_35V | CP_Elec_10x12.5 | C2, C7 |
| 1 | 470NF 680uF_35V | CP_Elec_10x12.5 | C3 |
| 1 | 100NF 220uF_16V | CP_Elec_6.3x7.7 | C4 |
| 1 | 220UF/16V 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5 |
| 1 | 220UF/16V 680uF_35V | CP_Elec_10x12.5 | C6 |
| 6 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C8, C28, C30, C55, C59, C60 |
| 1 | 2200UF/35V 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9 |
| 1 | 2200UF/35V 220uF_16V | CP_Elec_6.3x7.7 | C10 |
| 2 | 100NF 4.7uF/16V | CP_EIA-3528-21_Kemet-B_HandSolder | C18, C24 |
| 1 | 4.7UF/16V 470nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C19 |
| 1 | 22PF 10uF_16V | CP_Radial_D5.0mm_P2.00mm | C20 |
| 2 | 100NF 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C22, C23 |
| 1 | 100NF 22pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C25 |
| 1 | 22pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C26 |
| 3 | 10uF | CP_EIA-3528-21_Kemet-B_HandSolder | C56, C57, C58 |
| 1 | 680K 10k | R_0805_2012Metric | R1 |
| 1 | 680K 47k | R_0805_2012Metric | R2 |
| 10 | 10k | R_0805_2012Metric | R4, R5, R26, R28, R34, R35, R48, R49 +2 |
| 1 | NS | R_0805_2012Metric | R8 |
| 2 | 330R NS | R_0805_2012Metric | R9, R11 |
| 1 | 10K NS | R_0805_2012Metric | R10 |
| 3 | 330R | R_0805_2012Metric | R27, R29, R30 |
| 1 | 1k | R_0805_2012Metric | R46 |
| 1 | 2k | R_0805_2012Metric | R47 |
| 2 | 150R | R_0805_2012Metric | R53, R54 |
Solar Powered Egg Incubator design files
The KiCad project lives in the jsitech4/Projects repository on GitHub; these links point at the commit this page was built from.
Solar Powered Egg Incubator: common questions
What microcontroller does the Solar Powered Egg Incubator use?
The Solar Powered Egg Incubator is built around the ESP32-WROOM, from the ESP32 family.
How big is the Solar Powered Egg Incubator PCB?
The Solar Powered Egg Incubator measures 100 × 90.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Solar Powered Egg Incubator?
100 components, from 65 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 Solar Powered Egg Incubator design files?
From the jsitech4/Projects 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 Solar Powered Egg Incubator design in my own project?
The repository has no license, so all rights stay with jsitech4. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Solar Powered Egg Incubator 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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