ESP32-Solar-Battery
About the ESP32-Solar-Battery PCB
ESP32-Solar-Battery is an open source ESP32 PCB design by sicrisembay, published on GitHub under the MIT license. It is a 2-layer board measuring 42 × 79 mm, with 55 components from 39 distinct parts.
Its main chip is the ESP32-WROOM-32D, from the ESP32 family. Other key parts include the LMV331, CN3801 and IMP810S. By type, the board carries 18 resistors, 14 capacitors, 8 connectors, 5 diodes, 4 ICs and 4 transistors.
It belongs with the power & battery designs in this gallery.
From the project
This is a hobby project on ESP32
Main components on the ESP32-Solar-Battery
ESP32-Solar-Battery bill of materials (BOM)
55 components, 39 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LMV331 | SOT-23-5 | U201 |
| 1 | CN3801 | SSOP-10_3.9x4.9mm_P1.00mm | U202 |
| 1 | IMP810S | SOT-23 | U203 |
| 1 | ESP32-WROOM-32D | ESP32-WROOM-32 | U401 |
| 1 | MUN2211T1 | SC-59 | Q1 |
| 3 | SSM3J332R | SOT95P240X88-3N | Q201, Q202, Q203 |
| 1 | NTC 10K B=3950K | PinHeader_1x02_P2.54mm_Vertical | J201 |
| 1 | SolarPanel | JST_VH_B2P-VH_1x02_P3.96mm_Vertical | J202 |
| 1 | LiFePo4_Batt | JST_VH_B2P-VH_1x02_P3.96mm_Vertical | J203 |
| 1 | LOAD | JST_VH_B2P-VH_1x02_P3.96mm_Vertical | J206 |
| 1 | Program | PinHeader_2x03_P1.27mm_Vertical | J301 |
| 1 | jtag | PinHeader_2x05_P1.27mm_Vertical | J302 |
| 2 | Conn_01x16 | PinHeader_1x16_P2.54mm_Vertical | J402, J403 |
| 1 | Fuse | PinHeader_1x02_P2.54mm_Vertical | F201 |
| 1 | BZT52C3V9 | D_SOD-123 | D1 |
| 1 | RED | LED_0603_1608Metric | D201 |
| 1 | SD103AW | D_SOD-123 | D203 |
| 1 | SS56 | SOD-128 | D204 |
| 1 | LED | LED_0603_1608Metric | D401 |
| 1 | 47uH | L_Taiyo-Yuden_NR-80xx_HandSoldering | L201 |
Show 19 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 6 | 0.1uF | C_0603_1608Metric | C201, C204, C205, C210, C211, C403 |
| 4 | 10uF | C_0603_1608Metric | C202, C203, C401, C402 |
| 1 | 0.22uF | C_0603_1608Metric | C206 |
| 3 | 22uF | C_0603_1608Metric | C207, C208, C209 |
| 1 | DNP 10K | R_0603_1608Metric | R201 |
| 2 | 100K 1% | R_0603_1608Metric | R202, R204 |
| 1 | 8.2K 1% | R_0603_1608Metric | R203 |
| 1 | 30K 1% | R_0603_1608Metric | R205 |
| 1 | 200K | R_0603_1608Metric | R206 |
| 1 | 1K | R_0603_1608Metric | R207 |
| 1 | 8.2K | R_0603_1608Metric | R208 |
| 1 | 120 | R_0603_1608Metric | R209 |
| 1 | 0.1 | R_2512_6332Metric | R210 |
| 1 | 39K | R_0603_1608Metric | R211 |
| 2 | 680K | R_0603_1608Metric | R212, R214 |
| 1 | 39K 1% | R_0603_1608Metric | R213 |
| 2 | 100 | R_0603_1608Metric | R301, R302 |
| 1 | 10K | R_0603_1608Metric | R401 |
| 1 | 220 | R_0603_1608Metric | R402 |
ESP32-Solar-Battery design files
The KiCad project lives in the sicrisembay/ESP32-Solar-Battery repository on GitHub; these links point at the commit this page was built from.
ESP32-Solar-Battery: common questions
What microcontroller does the ESP32-Solar-Battery use?
The ESP32-Solar-Battery is built around the ESP32-WROOM-32D, from the ESP32 family.
How big is the ESP32-Solar-Battery PCB?
The ESP32-Solar-Battery measures 42 × 79 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP32-Solar-Battery?
55 components, from 39 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESP32-Solar-Battery design files?
From the sicrisembay/ESP32-Solar-Battery repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ESP32-Solar-Battery design in my own project?
Yes, under the terms of its MIT license, which sicrisembay chose for the repository.
Can I test firmware for the ESP32-Solar-Battery 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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