PocketLab Card V1
About the PocketLab Card V1 PCB
PocketLab Card V1 is an open source ESP32 PCB design by Jebroa774, published on GitHub. It is a 4-layer board measuring 85.6 × 54 mm, with 250 components from 144 distinct parts.
Its main chip is the ESP32-S3-WROOM-1-N8R2, from the ESP32 family. Other key parts include the PN5321A3HN/C106, E07-900MM10S, HTRC11001T/03EE,11, BQ24074RGTR and TPS63070RNMR. By type, the board carries 102 resistors, 89 capacitors, 25 ICs, 7 switches, 6 connectors and 4 LEDs.
It belongs with the power & battery and rf & radio designs in this gallery.
From the project
Proudly vibe-coded credit-card-sized ESP32-S3 field tool with NFC, LF RFID, Sub-GHz and IR
KiCad 10 is installed locally. PocketLab-Card.kicadpro is the project entry point and the PCB scaffold contains the exact credit-card outline. The current generated schematic comprises 267 symbols and 176 named logical nets; the OLED-free PCB candidate contains 260 footprints. reports/erc-nooled-aux.rpt` reports zero errors and zero warnings.
The schematic and its machine-readable net description are reproducible with KiCad's bundled Python:
Main components on the PocketLab Card V1
ESP32-S3-WROOM-1-N8R2PN5321A3HN/C106E07-900MM10SHTRC11001T/03EE,11BQ24074RGTRTPS63070RNMRTPS61023DRLRMAX17048G+T10TCA9535PWRBMI270BMP390PCF8563T/5,518TSOP75338WTRBQ29700DSERTPS2553DBVRUSBLC6-4SC6YTPS22919DCKRTCA9534PWRSRV05-4MR6T1GSN74AHCT1G126DBVRSN74LV125ATPWRSN74LVC1G126DBVRATECC608C-SSHDA-TT3-868M
PocketLab Card V1 bill of materials (BOM)
250 components, 144 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-S3-WROOM-1-N8R2 Espressif | ESP32-S3-WROOM-1_PhysicalCourtyard | U1 |
| 1 | PN5321A3HN/C106 NXP | HVQFN-40-1EP_6x6mm_P0.5mm_EP4.1x4.1mm | U2 |
| 1 | E07-900MM10S E07-900MM10S 855-925MHz Ebyte | E07-900MM10S | U3 |
| 1 | HTRC11001T/03EE,11 HTRC11001T/03EE,11 125kHz NXP | SO-14_3.9x8.65mm_P1.27mm | U4 |
| 1 | BQ24074RGTR TI | VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm_ThermalVias | U5 |
| 1 | TPS63070RNMR TPS63070RNMR 3V3 TI | TPS63070_RNM0015A | U6 |
| 1 | TPS61023DRLR TPS61023DRLR 5V BOOST TI | SOT-563 | U7 |
| 1 | MAX17048G+T10 Analog Devices | TDFN-8-1EP_2x2mm_P0.5mm_EP0.8x1.2mm | U8 |
| 1 | TCA9535PWR TI | TSSOP-24_4.4x7.8mm_P0.65mm | U9 |
| 1 | BMI270 BMI270 (FULL OPTION) Bosch | Bosch_LGA-14_3x2.5mm_P0.5mm | U10 |
| 1 | BMP390 BMP390 (FULL OPTION) Bosch | BMP390_LGA-10_2x2mm | U11 |
| 1 | PCF8563T/5,518 PCF8563T NXP | SOIC-8_3.9x4.9mm_P1.27mm | U12 |
| 1 | TSOP75338WTR TSOP75338WTR 38kHz Vishay | TSOP75338WTR_HeimdallW_SideView | U13 |
| 1 | BQ29700DSER BQ29700DSE TI | WSON-6_1.5x1.5mm_P0.5mm | U14 |
| 1 | TPS2553DBVR TPS2553DBVR 500mA LIMIT TI | SOT-23-6 | U15 |
| 1 | USBLC6-4SC6Y ST | SOT-23-6 | U16 |
| 1 | TPS22919DCKR TPS22919DCKR LF 5V LOAD SWITCH TI | SOT-363_SC-70-6 | U17 |
| 1 | TCA9534PWR TCA9534PWR INTERNAL CONTROL TI | TSSOP-16_4.4x5mm_P0.65mm | U18 |
| 1 | SRV05-4MR6T1G SRV05-4MR6T1G SD ESD onsemi | SOT-23-6 | U19 |
| 1 | SN74AHCT1G126DBVR SN74AHCT1G126DBVR RGB LEVEL SHIFT Texas Instruments | SOT-23-5 | U20 |
Show 124 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN74LV125ATPWR SN74LV125ATPWR LF/SPI 3V3-TO-5V IOFF TI | TSSOP-14_4.4x5mm_P0.65mm | U21 |
| 1 | SN74LVC1G126DBVR SN74LVC1G126DBVR LF 5V-TO-3V3 TRI-STATE TI | SOT-23-5_HandSoldering | U22 |
| 1 | ATECC608C-SSHDA-T Microchip | SOIC-8_3.9x4.9mm_P1.27mm | U23 |
| 1 | SRV05-4MR6T1G SRV05-4MR6T1G J5 BUS ESD onsemi | SOT-23-6 | U24 |
| 1 | SRV05-4MR6T1G SRV05-4MR6T1G J5 SPI ESD onsemi | SOT-23-6 | U25 |
| 1 | T3-868M T3-868M SPRING ANTENNA DreamLNK | T3-868M_Edge_Solder | A1 |
| 1 | AO3400A AO3400A IR DRIVER AOS | SOT-23 | Q1 |
| 1 | CSD16406Q3 CSD16406Q3 DISCHARGE TI | CSD16406Q3_VSON-8_3.3x3.3mm_P0.65mm_JLC | Q2 |
| 1 | CSD16406Q3 CSD16406Q3 CHARGE TI | CSD16406Q3_VSON-8_3.3x3.3mm_P0.65mm_JLC | Q3 |
| 1 | XXDBBCNANF-27.12M 27.12MHz crystal (pins 2/4 shield) TAITIEN | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y301 |
| 1 | OH2EL89CFI-111YLC-4M 4MHz 5V CMOS OSCILLATOR YXC | Oscillator_SMD_EuroQuartz_XO32-4Pin_3.2x2.5mm_RotB_HandSoldering | Y501 |
| 1 | ABS07-32.768KHZ-7-T 32.768kHz CL=7pF Abracon | Crystal_SMD_3215-2Pin_3.2x1.5mm | Y701 |
| 1 | TYPE-C-31-M-12 USB-C DATA/POWER HRO | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | 104031-0811 microSD Molex | microSD_HC_Molex_104031-0811 | J2 |
| 1 | 1X02_P2.54MM EXTERNAL 400uH LF COIL Generic | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | S2B-PH-SM4-TB PROTECTED 1S LiPo 3.7V JST | JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_Horizontal | J4 |
| 1 | 30PIN_6X5_P2.54MM 30-PIN 2.54mm DUPONT GRID Generic | Dupont_Grid_6x5_P2.54mm | J5 |
| 1 | ER-OLED0.42-1W ER-OLED0.42-1W 72x40 SSD1306B EastRising | EastRising_ER-OLED0.42-1W_SolderFPC | J8 |
| 1 | 1206L075/13.2WR Littelfuse 1206L075/13.2 Littelfuse | Fuse_1206_3216Metric | F1 |
| 1 | KNTC0603/10KF3950 10k NTC B3950 1% KUU | R_0603_1608Metric | RT701 |
| 1 | KMR221GLFS RESET C&K | SW_Push_1P1T_NO_CK_KMR2 | SW1 |
| 1 | KMR221GLFS BOOT C&K | SW_Push_1P1T_NO_CK_KMR2 | SW2 |
| 1 | KMR221GLFS UP C&K | SW_Push_1P1T_NO_CK_KMR2 | SW3 |
| 1 | KMR221GLFS DOWN C&K | SW_Push_1P1T_NO_CK_KMR2 | SW4 |
| 1 | MSK12C02 MAIN POWER OFF / ON SHOUHAN | SW_SPDT_Shouhan_MSK12C02 | SW5 |
| 1 | KMR221GLFS PAIR C&K | SW_Push_1P1T_NO_CK_KMR2 | SW6 |
| 1 | KMR221GLFS SELECT C&K | SW_Push_1P1T_NO_CK_KMR2 | SW7 |
| 4 | WS2812B-2020 Worldsemi | LED_WS2812B-2020_PLCC4_2.0x2.0mm | LED1, LED2, LED3, LED4 |
| 3 | TSAL6200 TSAL6200 940nm Vishay | TSAL6200_LayFlat_Inboard | D1, D2, D3 |
| 1 | SMF5.0A Littelfuse | D_SOD-123F | D101 |
| 1 | SMHT4020-1R5MT 1.5uH XFL4020-152ME Shun Xiang Nuo | Coilcraft_XFL4020 | L6 |
| 1 | SLW4030S1R0NST 1uH HBME042A Sunltech | Cyntec_HBME042A-1R0MS | L7 |
| 2 | FHW0805UFR56JST 560nH C0G/Q FH | L_0805_2012Metric | L301, L302 |
| 1 | C0805C472KDRAC7800 4.7nF 1kV KEMET | C_0805_2012Metric | C101 |
| 21 | CL05B104KO5NNNC 100nF Samsung Electro-Mechanics | C_0805_2012Metric | C102, C106, C107, C118, C120, C121, C122, C203 +13 |
| 2 | CL10A475KO8NNNC 4.7uF 10V Samsung Electro-Mechanics | C_0805_2012Metric | C103, C105 |
| 1 | TCC0805X5R226K100FT 22uF 10V CCTC | C_0805_2012Metric | C104 |
| 4 | CL21A106KAYNNNE 10uF Samsung Electro-Mechanics | C_0805_2012Metric | C108, C114, C117, C119 |
| 1 | CL21A106KAYNNNE 10uF DNP - populate only after VSYS stability test Samsung Electro-Mechanics | C_0805_2012Metric | C109 |
| 5 | TCC0805X5R226K100FT 22uF CCTC | C_0805_2012Metric | C110, C111, C112, C115, C116 |
| 3 | CL10C221JB8NNNC 220pF C0G Samsung Electro-Mechanics | C_0603_1608Metric | C113, C308, C309 |
| 2 | CL21A106KAYNNNE 10uF 25V X5R HF Samsung Electro-Mechanics | C_0603_1608Metric | C123, C124 |
| 1 | CL05A105KA5NQNC 1uF Samsung Electro-Mechanics | C_0805_2012Metric | C201 |
| 2 | CL10A106KP8NNNC 10uF Samsung Electro-Mechanics | C_0805_2012Metric | C202, C511 |
| 1 | CL05B104KO5NNNC 100nF AVDD Samsung Electro-Mechanics | C_0805_2012Metric | C302 |
| 1 | CL10A475KO8NNNC 4.7uF VBAT bulk Samsung Electro-Mechanics | C_0805_2012Metric | C303 |
| 2 | CL10C220JB8NNNC 22pF C0G Samsung Electro-Mechanics | C_0603_1608Metric | C306, C307 |
| 3 | DNP MATCH | C_0603_1608Metric | C310, C311, C312 |
| 1 | CL10A106KP8NNNC 10uF DVDD bulk Samsung Electro-Mechanics | C_0805_2012Metric | C313 |
| 1 | CL05B104KO5NNNC 100nF TVDD Samsung Electro-Mechanics | C_0805_2012Metric | C314 |
| 1 | CL10A475KO8NNNC 4.7uF TVDD bulk Samsung Electro-Mechanics | C_0805_2012Metric | C315 |
| 1 | CL05B104KO5NNNC 100nF PVDD Samsung Electro-Mechanics | C_0805_2012Metric | C316 |
| 1 | CL05B104KO5NNNC 100nF VBAT Samsung Electro-Mechanics | C_0805_2012Metric | C317 |
| 1 | CL10C102JB8NNNC 1nF C0G RX COUPLING Samsung Electro-Mechanics | C_0603_1608Metric | C318 |
| 2 | CL10A475KO8NNNC 4.7uF Samsung Electro-Mechanics | C_0805_2012Metric | C402, C602 |
| 2 | DNP SUBGHZ MATCH | C_0805_2012Metric | C403, C404 |
| 1 | CL05B104KO5NNNC 100nF HTRC supply Samsung Electro-Mechanics | C_0805_2012Metric | C501 |
| 1 | CL21A106KAYNNNE 10uF HTRC pulse reservoir Samsung Electro-Mechanics | C_0805_2012Metric | C502 |
| 1 | CL05B104KO5NNNC 100nF CEXT Samsung Electro-Mechanics | C_0805_2012Metric | C503 |
| 1 | CL05B104KO5NNNC 100nF QGND Samsung Electro-Mechanics | C_0805_2012Metric | C504 |
| 1 | 1206CG104J500NT 100nF C0G COIL ISOLATION FH | C_0805_2012Metric | C505 |
| 1 | CL21C392JBFNNNE 3.9nF C0G LF RESONANCE Samsung Electro-Mechanics | C_0805_2012Metric | C506 |
| 1 | CL10C101JB8NNNC 100pF C0G DNP LF TUNE Samsung Electro-Mechanics | C_0603_1608Metric | C507 |
| 1 | CL10C221JB8NNNC 220pF C0G DNP LF TUNE Samsung Electro-Mechanics | C_0603_1608Metric | C508 |
| 1 | CL10C100JB8NNNC 10pF C0G DNP RX EMI Samsung Electro-Mechanics | C_0603_1608Metric | C509 |
| 1 | GRM32ER60J476ME20L 47uF 6.3V LOW-ESR Murata | C_1210_3225Metric | C512 |
| 1 | CL05B104KO5NNNC 100nF OSC supply Samsung Electro-Mechanics | C_0805_2012Metric | C513 |
| 1 | CL05B104KO5NNNC 100nF LV-AT supply Samsung Electro-Mechanics | C_0805_2012Metric | C515 |
| 1 | CL05B104KO5NNNC 100nF LVC supply Samsung Electro-Mechanics | C_0805_2012Metric | C516 |
| 1 | CL05B104KO5NNNC 100nF secure element Samsung Electro-Mechanics | C_0805_2012Metric | C517 |
| 2 | TCC1206X5R226K100HT 22uF 10V X5R IR BUFFER CCTC | C_1206_3216Metric | C607, C617 |
| 1 | CL05B104KO5NNNC 100nF IR HF Samsung Electro-Mechanics | C_0805_2012Metric | C608 |
| 1 | CL05B104KO5NNNC 100nF X7R Samsung Electro-Mechanics | C_0805_2012Metric | C609 |
| 2 | 1uF X7R | C_0805_2012Metric | C610, C611 |
| 2 | 100nF X7R | C_0805_2012Metric | C612, C616 |
| 2 | 4.7uF X5R | C_0805_2012Metric | C613, C615 |
| 1 | 2.2uF X7R | C_0805_2012Metric | C614 |
| 4 | CL05B104KO5NNNC 100nF Samsung Electro-Mechanics | C_0603_1608Metric | C702, C703, C704, C705 |
| 2 | 0402WGF5101TCE 5.1k 1% UNI-ROYAL | R_0805_2012Metric | R101, R102 |
| 1 | 0402WGF1004TCE 1M UNI-ROYAL | R_0805_2012Metric | R103 |
| 1 | 0402WGF3300TCE 330R UNI-ROYAL | R_0805_2012Metric | R104 |
| 1 | 0805W8F2201T5E 2.2k UNI-ROYAL | R_0805_2012Metric | R105 |
| 2 | 0402WGF5104TCE 5.1M UNI-ROYAL | R_0805_2012Metric | R106, R107 |
| 1 | 0805W8F1002T5E 10k TS fixed UNI-ROYAL | R_0805_2012Metric | R108 |
| 9 | 0402WGF1003TCE 100k UNI-ROYAL | R_0805_2012Metric | R109, R110, R115, R122, R124, R126, R127, R128 +1 |
| 1 | 0402WGF3481TCE 3.48k 1% UNI-ROYAL | R_0805_2012Metric | R111 |
| 1 | 0402WGF3011TCE 3.01k 1% UNI-ROYAL | R_0805_2012Metric | R112 |
| 1 | 0402WGF1781TCE 1.78k 1% UNI-ROYAL | R_0805_2012Metric | R113 |
| 1 | 0402WGF6812TCE 68.1k 1% UNI-ROYAL | R_0805_2012Metric | R114 |
| 7 | 0402WGF1002TCE 10k UNI-ROYAL | R_0805_2012Metric | R116, R125, R203, R204, R301, R519, R703 |
| 1 | 0402WGF4703TCE 470k 1% UNI-ROYAL | R_0805_2012Metric | R117 |
| 1 | 0402WGF1503TCE 150k 1% UNI-ROYAL | R_0805_2012Metric | R118 |
| 1 | 0805W8F1002T5E 10k UNI-ROYAL | R_0805_2012Metric | R119 |
| 1 | 0402WGF7323TCE 732k 1% UNI-ROYAL | R_0805_2012Metric | R120 |
| 1 | 0402WGF1003TCE 100k 1% UNI-ROYAL | R_0805_2012Metric | R121 |
| 1 | 0402WGF6042TCE 60.4k 1% UNI-ROYAL | R_0805_2012Metric | R123 |
| 1 | 0805W8F0000T5E 0R SPI CROSSOVER UNI-ROYAL | R_0805_2012Metric | R129 |
| 2 | 0805W8F220JT5E 22R UNI-ROYAL | R_0805_2012Metric | R201, R202 |
| 1 | 0402WGF1002TCE 10k RESET default asserted UNI-ROYAL | R_0805_2012Metric | R302 |
| 2 | 0603WAF0000T5E 0R MATCH UNI-ROYAL | R_0805_2012Metric | R303, R304 |
| 1 | 0603WAF2701T5E 2.7k RX TAP UNI-ROYAL | R_0805_2012Metric | R305 |
| 1 | 0603WAF1001T5E 1k VMID BIAS UNI-ROYAL | R_0805_2012Metric | R306 |
| 8 | 0402WGF220JTCE 22R UNI-ROYAL | R_0805_2012Metric | R401, R402, R403, R404, R510, R511, R512, R513 |
| 1 | 0603WAF0000T5E 0R SUBGHZ MATCH UNI-ROYAL | R_0805_2012Metric | R405 |
| 1 | 0402WGF1003TCE 100k CS SAFE-HIGH UNI-ROYAL | R_0805_2012Metric | R406 |
| 1 | 0402WGF1000TCE 100R QOD discharge UNI-ROYAL | R_0805_2012Metric | R501 |
| 1 | 1210W2F470JT5E 47R 0.5W ANTENNA CURRENT LIMIT UNI-ROYAL | R_1210_3225Metric | R502 |
| 1 | 0402WGF1001TCE 1k LF EMI RETURN UNI-ROYAL | R_0805_2012Metric | R503 |
| 1 | 0402WGF1503TCE 150k 1% RX DIVIDER UNI-ROYAL | R_0805_2012Metric | R504 |
| 1 | 0402WGF1003TCE 100k SAFE-OFF UNI-ROYAL | R_0805_2012Metric | R506 |
| 1 | 0402WGF1002TCE 10k PAIR pull-up UNI-ROYAL | R_0805_2012Metric | R509 |
| 5 | 0402WGF4702TCE 47k UNI-ROYAL | R_0805_2012Metric | R514, R515, R516, R517, R518 |
| 3 | AS03W4J0680T5E 39R 0.5W pulse-rated UNI-ROYAL | R_1210_3225Metric | R601, R610, R611 |
| 2 | 0402WGF1000TCE 100R UNI-ROYAL | R_0805_2012Metric | R602, R604 |
| 1 | 0402WGF680JTCE 68R UNI-ROYAL | R_0603_1608Metric | R605 |
| 1 | 0402WGF1000TCE 100R PAIR GPIO PROTECTION UNI-ROYAL | R_0603_1608Metric | R606 |
| 3 | 0402WGF1002TCE 10k UNI-ROYAL | R_0603_1608Metric | R607, R608, R609 |
| 1 | 0805W8F3301T5E 3.3k UNI-ROYAL | R_0805_2012Metric | R701 |
| 1 | 0402WGF3301TCE 3.3k UNI-ROYAL | R_0805_2012Metric | R702 |
| 16 | 0402WGF1000TCE 100R UNI-ROYAL | R_0603_1608Metric | R710, R711, R712, R713, R715, R716, R717, R718 +8 |
| 1 | 0402WGF1000TCE 100R BOARD TEMP PROBE UNI-ROYAL | R_0603_1608Metric | R714 |
| 8 | 0402WGF2200TCE 220R EXPANSION PROTECTION UNI-ROYAL | R_0603_1608Metric | R722, R723, R724, R725, R726, R727, R728, R729 |
| 1 | 0805W8F1003T5E 100k EN pull-down UNI-ROYAL | R_0805_2012Metric | R735 |
| 1 | 0603WAF1002T5E 10k 1% BOARD TEMP BIAS UNI-ROYAL | R_0603_1608Metric | R736 |
PocketLab Card V1 design files
The KiCad project lives in the Jebroa774/BomberCard repository on GitHub; these links point at the commit this page was built from.
PocketLab Card V1: common questions
What microcontroller does the PocketLab Card V1 use?
The PocketLab Card V1 is built around the ESP32-S3-WROOM-1-N8R2, from the ESP32 family.
How big is the PocketLab Card V1 PCB?
The PocketLab Card V1 measures 85.6 × 54 mm, has 4 copper layers and is 1.2 mm thick.
How many components are on the PocketLab Card V1?
250 components, from 144 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 PocketLab Card V1 design files?
From the Jebroa774/BomberCard 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 PocketLab Card V1 design in my own project?
The repository has no license, so all rights stay with Jebroa774. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the PocketLab Card V1 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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