MiniSpeedCam r1.3
About the MiniSpeedCam r1.3 PCB
MiniSpeedCam r1.3 is an open source ESP32 PCB design by Valar-Systems, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 50 × 50 mm, with 83 components from 48 distinct parts.
Its main chip is the ESP32-S3-WROOM-1U-N8R8, from the ESP32 family. Other key parts include the NCP163ASN330T1G, STM32F301K8U6, AP63203WU, MAX9814 and STM32F301K8Ux. By type, the board carries 40 capacitors, 20 resistors, 8 ICs, 4 connectors, 4 diodes and 3 switches.
It belongs with the iot & wireless designs in this gallery, and the repository also holds 1 earlier revision of it.
From the project
MiniSpeedCam
Please sign up to the waitlist at minispeedcam.com if you're interested in purchasing one. We have not began manufacturing these yet.
The firmware is designed to work with minispeedcam.com and requires absolutely no coding or flashing. The device works right out of the box.
The device creates a WiFi access point when started for the first time. Connect to it with your phone or laptop and enter your WiFi credentials. It will automatically connect to the internet.
Main components on the MiniSpeedCam r1.3
MiniSpeedCam r1.3 bill of materials (BOM)
83 components, 48 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NCP163ASN330T1G LMP7731MF onsemi | SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL | U4 |
| 1 | STM32F301K8U6 B0505S-1W_C512032 STMicroelectronics | PWRM-TH_BXXXXS-1W | U5 |
| 1 | AP63203WU | TSOT-23-6 | U9 |
| 1 | MAX9814 | DFN-14-1EP_3x3mm_P0.4mm_EP1.78x2.35mm | U12 |
| 1 | STM32F301K8Ux | QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm | U13 |
| 1 | ESP32-S3-WROOM-1U-N8R8 | XCVR_ESP32-S3-WROOM-1U-N8R8 | U14 |
| 1 | XC6206P282MR-G | SOT-23_TOR | U15 |
| 1 | XC6206P122MR-G | SOT-23_TOR | U16 |
| 1 | 1984617 | PHOENIX_1984617 | J1 |
| 1 | PPPC042LFBN-RC Conn_01x06_Pin Sullins Connector Solutions | PinHeader_1x06_P2.54mm_Vertical | J4 |
| 1 | AFC01-S24FCC-00 | FPC-SMD_P0.5-24P_FGS-XJ-H2.0 | J8 |
| 1 | TF PUSH | TF-SMD_TF-PUSH | J10 |
| 1 | DC-005 5.5-2.0MM | DC-IN-TH_DC-005-5.5-2.0 | DC1 |
| 1 | TS36CA-0.7 | SW-SMD_TS36CA | SW1 |
| 2 | TS-1088-AR02016 | SW-SMD_L3.9-W3.0-P4.45 | SW7, SW8 |
| 1 | TYPE-C 16PIN 2MD(073) | USB-C-SMD_TYPE-C-6PIN-2MD-073 | USB2 |
| 3 | BSD5C051L SOD-523_BSD5C051L BORN | D_SOD-523 | D1, D2, D3 |
| 1 | ESD9L3.3ST5G | SOD-923_L0.8-W0.6-LS1.0-RD | D7 |
| 1 | HZ0805D102R-10 Ferrite_Bead Laird-Signal Integrity Products | L_0805_2012Metric | FB1 |
| 1 | L | IND-SMD_L3.0-W3.0_FNR30XXS | L2 |
Show 28 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C1005X5R1E474K050BB 10uF TDK Corporation | C_0402_1005Metric | C2 |
| 1 | CC0603JRNPO9BN270 0.1uF YAGEO | C_0402_1005Metric | C4 |
| 2 | CL21A226MOCLRNC 22uF Samsung Electro-Mechanics | C_0603_1608Metric | C5, C13 |
| 3 | C1005X5R1E474K050BB 100uF TDK Corporation | C_1206_3216Metric | C6, C7, C12 |
| 2 | C1005X5R1E474K050BB 2.2uF TDK Corporation | C_0603_1608Metric | C8, C18 |
| 1 | GRM188R71A225KE15D 100uF Murata Electronics | C_1206_3216Metric | C9 |
| 1 | CL21A226MOCLRNC 10uF Samsung Electro-Mechanics | C_0402_1005Metric | C10 |
| 1 | CL21A226MOCLRNC 470nF Samsung Electro-Mechanics | C_0402_1005Metric | C11 |
| 3 | C1005X5R1E474K050BB 470nF TDK Corporation | C_0402_1005Metric | C14, C15, C16 |
| 1 | 100uF | C_1206_3216Metric | C17 |
| 4 | 0.1uF | C_0402_1005Metric | C19, C29, C34, C36 |
| 6 | 10uF | C_0402_1005Metric | C22, C24, C26, C27, C33, C35 |
| 5 | CL05A105KA5NQNC 10u_0402_CL05A105KA5NQNC Samsung | C_0402_1005Metric | C23, C53, C54, C56, C57 |
| 2 | 22uF | C_0603_1608Metric | C41, C51 |
| 1 | 27pF | C_0603_1608Metric | C42 |
| 4 | 470nF | C_0402_1005Metric | C43, C44, C45, C47 |
| 1 | 2.2uF | C_0603_1608Metric | C46 |
| 1 | 0402CG220J500NT 22p_0402_0402CG220J500NT FH | C_0402_1005Metric | C48 |
| 1 | RC0603FR-074K7L 0.5R YAGEO | R_0603_1608Metric | R1 |
| 1 | RC0603FR-07620KL 10K YAGEO | R_0402_1005Metric | R3 |
| 2 | ERJ-3EKF1303V 10K Panasonic Electronic Components | R_0402_1005Metric | R5, R6 |
| 1 | RC0603FR-074K7L 5.1K YAGEO | R_0402_1005Metric | R10 |
| 2 | 5.1K | R_0402_1005Metric | R11, R13 |
| 3 | 4K7 | R_0603_1608Metric | R12, R27, R35 |
| 6 | 10K | R_0402_1005Metric | R16, R17, R18, R24, R25, R26 |
| 1 | 620K | R_0603_1608Metric | R22 |
| 2 | 130K | R_0603_1608Metric | R32, R33 |
| 1 | 75 | R_0402_1005Metric | R34 |
MiniSpeedCam r1.3 design files
The KiCad project lives in the Valar-Systems/MiniSpeedCam repository on GitHub; these links point at the commit this page was built from.
MiniSpeedCam r1.3: common questions
What microcontroller does the MiniSpeedCam r1.3 use?
The MiniSpeedCam r1.3 is built around the ESP32-S3-WROOM-1U-N8R8, from the ESP32 family.
How big is the MiniSpeedCam r1.3 PCB?
The MiniSpeedCam r1.3 measures 50 × 50 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the MiniSpeedCam r1.3?
83 components, from 48 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 MiniSpeedCam r1.3 design files?
From the Valar-Systems/MiniSpeedCam 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 MiniSpeedCam r1.3 design in my own project?
Yes, under the terms of its CERN-OHL-S-2.0 license, which Valar-Systems chose for the repository.
Can I test firmware for the MiniSpeedCam r1.3 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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ESP32MiniSpeedCam-1.2
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ESP32SparkFun Thing Plus ESP32-S3
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ESP32SparkFun Thing Plus ESP32-S3 panelized
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STM32Cdm324 v2
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Earlier revisions in the repo: MiniSpeedCam
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