Fencing Club standalone scoring box
About the Fencing Club standalone scoring box PCB
Fencing Club standalone scoring box is an open source ESP32 PCB design by AndrewCraswell, published on GitHub under the MIT license. It is a 4-layer board measuring 165 × 100 mm, with 199 components from 80 distinct parts.
Its main chip is the ESP32-S3-WROOM-1-N8R8, from the ESP32 family. Other key parts include the STM32G474RET6, AP2112K-3.3TRG1, STUSB4500QTR, REC30K-2405SZ and AP63203WU-7. By type, the board carries 90 resistors, 60 capacitors, 18 ICs, 9 connectors, 9 diodes and 5 transistors.
It belongs with the iot & wireless designs in this gallery.
From the project
Open standalone-scoring-box.kicadpro in KiCad 10. This is the separate HUB75 standalone product**, not the virtual scoring box and not an overwrite of the frozen combined board.
Open standalone-scoring-box.kicadpro in KiCad 10. This is the separate HUB75 standalone product**, not the virtual scoring box and not an overwrite of the frozen combined board.
The native schematic, placement and PCB routing are implemented. The four-layer, 1.6mm board provisionally retains the combined board's 165 x 100mm outline. There are 206 footprints: 199 purchased parts, three bare wire terminations and four unplated mounting holes. The combined design had 223 purchased parts; the reduction is 24 parts, not a priced cost saving.
Main components on the Fencing Club standalone scoring box
Fencing Club standalone scoring box bill of materials (BOM)
199 components, 80 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32G474RET6 STMicroelectronics | LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | ESP32-S3-WROOM-1-N8R8 Espressif Systems | ESP32-S3-WROOM-1_EdgeMount | U2 |
| 1 | AP2112K-3.3TRG1 Diodes Incorporated | SOT-23-5 | U4 |
| 1 | STUSB4500QTR STMicroelectronics | STUSB4500QTR | U5 |
| 1 | REC30K-2405SZ RECOM | REC30K-2405SZ | U6 |
| 1 | AP63203WU-7 Diodes Incorporated | TSOT-23-6 | U7 |
| 2 | 74LVC125APW,118 74LVC125APW Nexperia | TSSOP-14_4.4x5mm_P0.65mm | U8, U9 |
| 2 | SN74AXC1T45DCKR Texas Instruments | SN74AXC1T45DCKR | U10, U11 |
| 1 | W5500 WIZnet | LQFP-48_7x7mm_P0.5mm | U12 |
| 1 | TSOP38438 Vishay | TSOP38438 | U13 |
| 2 | SN74AHCT541PWR Texas Instruments | TSSOP-20_4.4x6.5mm_P0.65mm | U14, U15 |
| 2 | 4N32M onsemi | 4N32M | U16, U17 |
| 1 | TPS259470LRPWR Texas Instruments | TPS259470LRPWR | U20 |
| 1 | TPS70933DBVR Texas Instruments | SOT-23-5 | U22 |
| 5 | DMN2056U-7 Diodes Incorporated | SOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 1 | ABM3B-8.000MHZ-B2-T Abracon | Crystal_SMD_Abracon_ABM3B-4Pin_5.0x3.2mm | Y1 |
| 1 | ABM8-25.000MHZ-B2-T 25MHz CL18pF Abracon | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | USB4105-GF-A GCT USB4105-GF-A GCT | USB4105_GF_A | J1 |
| 1 | HTSW-105-07-G-S STM SWD 3.3V Samtec | Samtec_HTSW-105-07-L-S | J2 |
| 1 | HTSW-106-07-G-S ESP 3.3V UART recovery Samtec | Samtec_HTSW-106-07-L-S | J6 |
Show 60 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TST-108-02-G-D TST-108-02-G-D - HUB75 Samtec | HUB75 | J7 |
| 1 | 645004114822 645004114822 - panel 5V Würth Elektronik | HUB75_POWER | J8 |
| 2 | 5520250-2 TE Connectivity | RJ14 | J9, J10 |
| 1 | HTSW-103-07-L-S PD service: GND SDA SCL Samtec | Samtec_HTSW-103-07-L-S | J12 |
| 1 | J1B1211CCD Cetus International | J1B1211CCD | J13 |
| 1 | PS1240P02BT TDK | PS1240P02BT | BZ1 |
| 1 | TL3342F160QG STM RESET E-Switch | SW_SPST_TL3342 | SW1 |
| 1 | TL3342F160QG ESP RESET E-Switch | SW_SPST_TL3342 | SW2 |
| 1 | TL3342F160QG ESP BOOT E-Switch | SW_SPST_TL3342 | SW3 |
| 7 | BAT54S,215 BAT54S Nexperia | SOT-23 | D3, D4, D5, D6, D7, D8, D9 |
| 2 | 1N4004-E3/54 Vishay | D_DO-41_SOD81_P10.16mm_Horizontal | D10, D11 |
| 1 | BLM18AG121SN1D 120R@100MHz Murata | L_0603_1608Metric | FB1 |
| 1 | XAL5030-472MEC XAL5030-472MEC 4.7uH Coilcraft | L_Coilcraft_XAL5030-XXX | L1 |
| 1 | CC0603KRX7R9BB105 1uF 50V YAGEO | C_0603_1608Metric | C1 |
| 7 | CC0603KRX7R9BB105 1uF 10V YAGEO | C_0603_1608Metric | C2, C3, C15, C21, C33, C37, C38 |
| 3 | CC0603KRX7R9BB104 100nF 16V Yageo | C_0603_1608Metric | C4, C31, C32 |
| 1 | C1608X5R1C106MT000N 10uF 16V TDK | C_0603_1608Metric | C5 |
| 2 | GRM32ER71E226KE15L 22uF 10V X7R Murata | C_1210_3225Metric | C6, C7 |
| 16 | CC0603KRX7R9BB104 100nF 10V Yageo | C_0603_1608Metric | C8, C9, C10, C11, C13, C16, C19, C20 +8 |
| 1 | CC0603KRX7R9BB103 10nF 10V YAGEO | C_0603_1608Metric | C12 |
| 1 | C1608X7S1A475KT000E 4.7uF 10V TDK | C_0603_1608Metric | C14 |
| 2 | CC0603JRNPO9BN270 27pF C0G - tune YAGEO | C_0603_1608Metric | C17, C18 |
| 2 | C1608X5R1C106MT000N 10uF 10V TDK | C_0603_1608Metric | C22, C28 |
| 7 | CC0603KRX7R9BB104 100nF Yageo | C_0603_1608Metric | C35, C57, C58, C59, C60, C61, C62 |
| 2 | CC0805KKX7R9BB105 1uF 50V YAGEO | C_0805_2012Metric | C36, C73 |
| 1 | CC0603JRNPO9BN102 1nF 50V C0G 5% YAGEO | C_0603_1608Metric | C45 |
| 1 | CC0805KKX7R0BB104 100nF 50V YAGEO | C_0805_2012Metric | C46 |
| 1 | C3225X7R1H106KT000E 10uF 50V TDK | C_1210_3225Metric | C47 |
| 1 | CC0603KRX7R9BB104 100nF 25V Yageo | C_0603_1608Metric | C48 |
| 1 | C3216X7R1C106KT000N 10uF 16V X7R TDK | C_1206_3216Metric | C49 |
| 1 | CC0603KRX7R9BB223 22nF YAGEO | C_0603_1608Metric | C51 |
| 2 | CC0603KRX7R9BB682 6.8nF Yageo | C_0603_1608Metric | C52, C53 |
| 2 | CC0603KRX7R9BB103 10nF YAGEO | C_0603_1608Metric | C54, C55 |
| 1 | CC0603KRX5R7BB475 4.7uF YAGEO | C_0603_1608Metric | C56 |
| 1 | GRM21BR61A106KE19L 10uF Murata | C_0805_2012Metric | C63 |
| 2 | CC0603JRNPO9BN180 18pF C0G YAGEO | C_0603_1608Metric | C64, C65 |
| 1 | GRM188R61A475KE15D 4.7uF Murata | C_0603_1608Metric | C72 |
| 6 | RC0603FR-0710KL 10k YAGEO | R_0603_1608Metric | R5, R6, R28, R29, R34, R35 |
| 9 | ERJPA3F2200V 220R 1% Panasonic | R_0603_1608Metric | R7, R10, R13, R16, R19, R22, R25, R38 +1 |
| 7 | RC0603FR-07390RL 390R 1% YAGEO | R_0603_1608Metric | R8, R11, R14, R17, R20, R23, R26 |
| 29 | RC0603FR-0710KL 10k 1% YAGEO | R_0603_1608Metric | R9, R12, R15, R18, R21, R24, R27, R45 +21 |
| 2 | CRCW060347K0FKEA 47k Vishay | R_0603_1608Metric | R30, R31 |
| 1 | RC0603FR-07100RL 100R YAGEO | R_0603_1608Metric | R32 |
| 3 | RC0603FR-07100KL 100k YAGEO | R_0603_1608Metric | R33, R37, R44 |
| 1 | RC0603FR-071KL 1k YAGEO | R_0603_1608Metric | R36 |
| 2 | ERJPA3F82R0V 82R Panasonic | R_0603_1608Metric | R39, R42 |
| 2 | RC0603FR-07680KL 680k YAGEO | R_0603_1608Metric | R40, R43 |
| 8 | RC0603FR-071KL 1k 1% YAGEO | R_0603_1608Metric | R65, R66, R67, R68, R69, R70, R71, R87 |
| 2 | RC2512FK-071KL 1k 1W YAGEO | R_2512_6332Metric | R88, R89 |
| 2 | RC0603FR-07100KL 100k 1% YAGEO | R_0603_1608Metric | R92, R93 |
| 1 | RT0603BRD07140KL 140k 0.1% YAGEO | R_0603_1608Metric | R94 |
| 2 | RT0603BRD0710KL 10k 0.1% YAGEO | R_0603_1608Metric | R95, R97 |
| 1 | RT0603BRD07172KL 172k 0.1% YAGEO | R_0603_1608Metric | R96 |
| 1 | CRCW06031K37FKEA 1.37k 1% Vishay | R_0603_1608Metric | R98 |
| 4 | RC0603FR-0749R9L 49.9R 1% YAGEO | R_0603_1608Metric | R99, R100, R101, R102 |
| 1 | RC0603FR-0710RL 10R 1% YAGEO | R_0603_1608Metric | R103 |
| 1 | RC0603FR-0712K4L 12.4k 1% YAGEO | R_0603_1608Metric | R104 |
| 2 | RC0603FR-07330RL 330R 1% YAGEO | R_0603_1608Metric | R105, R106 |
| 1 | RC0603FR-071ML 1M 1% YAGEO | R_0603_1608Metric | R107 |
| 2 | RC0603FR-074K7L 4.7k 1% YAGEO | R_0603_1608Metric | R114, R115 |
Fencing Club standalone scoring box design files
The KiCad project lives in the AndrewCraswell/agency repository on GitHub; these links point at the commit this page was built from.
Fencing Club standalone scoring box: common questions
What microcontroller does the Fencing Club standalone scoring box use?
The Fencing Club standalone scoring box is built around the ESP32-S3-WROOM-1-N8R8, from the ESP32 family.
How big is the Fencing Club standalone scoring box PCB?
The Fencing Club standalone scoring box measures 165 × 100 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Fencing Club standalone scoring box?
199 components, from 80 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 Fencing Club standalone scoring box design files?
From the AndrewCraswell/agency 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 Fencing Club standalone scoring box design in my own project?
Yes, under the terms of its MIT license, which AndrewCraswell chose for the repository.
Can I test firmware for the Fencing Club standalone scoring box 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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