QCamPCR
About the QCamPCR PCB
QCamPCR is an open source ESP32 PCB design by GaudiLabs, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 82.5 × 140 mm, with 95 components from 40 distinct parts.
Its main chip is the ESP32-S2-WROVER, from the ESP32 family. Other key parts include the AP63205WU, XC6206P282MR-G, XC6206P122MR-G, TLV1117-33 and TLA2024. By type, the board carries 27 capacitors, 23 resistors, 10 ICs, 9 diodes, 8 crystals and 7 transistors.
From the project
Quantitative PCR machine detecting fluorescence using a camera
Main components on the QCamPCR
QCamPCR bill of materials (BOM)
95 components, 40 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-S2-WROVER | ESP32-S2-WROVER | U2 |
| 1 | AP63205WU | TSOT-23-6 | U3 |
| 1 | XC6206P282MR-G | SOT-23 | U4 |
| 1 | XC6206P122MR-G | SOT-23 | U5 |
| 1 | TLV1117-33 | SOT-223 | U6 |
| 1 | TLA2024 | Texas_R-PUQFN-N10 | U8 |
| 1 | TLC59108xPW | TSSOP-20_4.4x6.5mm_P0.65mm | U9 |
| 1 | SRV05-4 | SOT-23-6 | U11 |
| 1 | CP2104 | QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U12 |
| 1 | IP2721_MAX12 | TSSOP-16_4.4x5mm_P0.65mm | U14 |
| 1 | Fan | 4010FanRadial | M1 |
| 5 | Q_NMOS_GSD | SOT-23 | Q3, Q4, Q5, Q8, Q9 |
| 2 | BC847_NPN_BEC | SOT-23 | Q6, Q7 |
| 6 | PAD | PAD_SMD_3mm | X1, X2, X4, X5, X7, X8 |
| 2 | MountPad3 | PAD_SMD_2x1mm | X3, X6 |
| 1 | USB_C_Receptacle | USB_C_Receptacle_Amphenol_12401610E4-2A | J1 |
| 1 | FAN_12V | JSP_PH_20_SMD_RIGHT_ANGLE | J2 |
| 1 | ER-TFT022-1 | ER-TFT022_1 | J3 |
| 2 | LID_12V | PinHeader_JST_1x02_P2.54mm_Vertical | J5, J6 |
| 1 | CAM_OV7725 | FFC_MOLEX_EASYON_05mm_24_INVERTED | CM1 |
Show 20 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Jumper | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SW_Push | SW_SPST_KMS221GLFS | SW1 |
| 1 | Thermistor_NTC | C_0402_1005Metric | TH1 |
| 8 | LED WL-SMCW (150060BS84000) | LED_SMD_WL-SMCW | D1, D2, D3, D4, D5, D6, D7, D8 |
| 1 | LED green | LED_0603_1608Metric | D9 |
| 1 | 4.7uH | L_Vishay_IFSC-1515AH_4x4x1.8mm | L1 |
| 3 | 100uF | C_1206_3216Metric | C2, C3, C19 |
| 14 | 100nF | C_0603_1608Metric | C4, C5, C7, C12, C13, C14, C15, C17 +6 |
| 4 | 22uF | C_0805_2012Metric | C6, C16, C18, C28 |
| 1 | 15pF | C_0603_1608Metric | C8 |
| 4 | 10uF | C_0805_2012Metric | C9, C10, C11, C24 |
| 1 | 1uF | C_0603_1608Metric | C22 |
| 5 | 4.7k | R_0603_1608Metric | R2, R3, R4, R10, R11 |
| 4 | 10k | R_0603_1608Metric | R5, R6, R22, R23 |
| 3 | 1k | R_0603_1608Metric | R7, R8, R12 |
| 1 | 720 0.1% | R_0603_1608Metric | R13 |
| 4 | 22R | R_0603_1608Metric | R14, R15, R24, R25 |
| 2 | 5k1 | R_0603_1608Metric | R18, R19 |
| 3 | 15R | R_0603_1608Metric | R28, R29, R30 |
| 1 | 100k | R_0603_1608Metric | R31 |
QCamPCR design files
The KiCad project lives in the GaudiLabs/qPocketPCR repository on GitHub; these links point at the commit this page was built from.
QCamPCR: common questions
What microcontroller does the QCamPCR use?
The QCamPCR is built around the ESP32-S2-WROVER, from the ESP32 family.
How big is the QCamPCR PCB?
The QCamPCR measures 82.5 × 140 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the QCamPCR?
95 components, from 40 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 QCamPCR design files?
From the GaudiLabs/qPocketPCR 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 QCamPCR design in my own project?
Yes, under the terms of its GPL-3.0 license, which GaudiLabs chose for the repository.
Can I test firmware for the QCamPCR 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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