6 layers55 × 65 mm
2 layers112.3 × 133.4 mm
Digit
ailgup/timer- Size
- 112.3 × 133.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 129
- Nets
- 60
- Pads
- 383
- Tracks, vias
- 609, 62
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 25 Nov 2025
- Updated
- 25 Nov 2025
Overview
Digit is an open-source printed circuit board by ailgup, from the ailgup/timer repository on GitHub. It is a 2-layer board of 112.3 × 133.4 mm with 129 parts on 60 nets, routed with 609 tracks and 62 vias.
It is built around the 74LVCH1T45GW and ESP8266-12E. Its parts include 34 capacitors, 26 connectors, 24 resistors, 4 ICs and 4 switches. It belongs with the ESP8266 boards of this library.
Main components
2Parts
129| Qty | Value | Footprint | References |
|---|---|---|---|
| 27 | AVX Interconnect / Elco 0603YC104JAT4A | CAPC1608X90X35ML15T15:CAPC1608X90X35ML15T15 | C1, C2, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23 +11 |
| 23 | TE-1981584-1 | PCB-20395447-2:PCB-20395447-2 | J1, J2, J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23 +7 |
| 20 | , , , , , , , , , , , , , , , +4 | ||
| 6 | Bourns CR0603-J/-000ELF | 0603-RES:0603-RES | R5, R6, R18, R19, R20, R24 |
| 6 | Molex 90120-0762 | PCB-55llon6gpk2h6a06nz0l-1:PCB-55llon6gpk2h6a06nz0l-1 | B1, B2, B3, B4, J24, J30 |
| 4 | TE Connectivity 2-1437565-9 | PCB-jknttd96a2zks7mphmau-1:PCB-jknttd96a2zks7mphmau-1 | SW1, SW2, SW3, SW4 |
| 4 | Vishay Dale CRCW0603470RFKEA | RESC1609X50X30ML10T20:RESC1609X50X30ML10T20 | R1, R2, R3, R4 |
| 4 | Vishay Dale TNPW060310K0BEEN | RESC1609X55X30ML10T20:RESC1609X55X30ML10T20 | R7, R8, R13, R14 |
| 3 | 1k | CommunityVault:PCB-1853280-2 | R9, R15, R16 |
| 3 | Panasonic ERJ-3GEYJ300V | RESC1608X55X30NL15T15:RESC1608X55X30NL15T15 | R11, R12, R17 |
| 2 | 0Ω | RESC1609X50X30ML10T20:RESC1609X50X30ML10T20 | R22, R23 |
| 2 | 220pF 50V | PCB-59ljqubudrrw21j7aekb-1:PCB-59ljqubudrrw21j7aekb-1 | C31, C32 |
| 2 | Molex 22-28-4033 | PCB-8kup8qw5vsmkearo8v0b-1:PCB-8kup8qw5vsmkearo8v0b-1 | J28, J29 |
| 2 | Murata BLM18KG601SZ1D | MURA-BLM18PG_KG-CHIP-2_V1:MURA-BLM18PG_KG-CHIP-2_V1 | FR1, FR2 |
| 2 | Sullins PPTC081LGBN-RC | PCB-jmj0yw2amsp03cenhpoa-1:PCB-jmj0yw2amsp03cenhpoa-1 | CONN1, CONN2 |
| 1 | ${1UF 10V} | CAPC1608X90X35NL15T15:CAPC1608X90X35NL15T15 | C34 |
| 1 | 100µF | CAP-5x11-2:CAP-5x11-2 | C9 |
| 1 | 10uF 10V | CAPC2013X140X50ML20T25:CAPC2013X140X50ML20T25 | C33 |
| 1 | 1M | PCB-guxit4q9y8sgf4ddqked-1:PCB-guxit4q9y8sgf4ddqked-1 | R21 |
| 1 | 1k | PCB-1853280-2:PCB-1853280-2 | R10 |
| 1 | 74LVCH1T45GW | PCB-edyekzi06r5d6stg9b7c-1:PCB-edyekzi06r5d6stg9b7c-1 | U3 |
| 1 | AVX Interconnect / Elco 0603ZD225MAT2A | CAPC1608X90X35LL15T15:CAPC1608X90X35LL15T15 | C25 |
| 1 | Amphenol ICC / FCI 68016-208HLF | PCB-9o2ezc5ufr3tb3c7lznb-1:PCB-9o2ezc5ufr3tb3c7lznb-1 | CONN3 |
| 1 | CONN, CUI PJ-037AH | PCB-8z2cq25mu8ebm0l7uff2-1:PCB-8z2cq25mu8ebm0l7uff2-1 | J25 |
| 1 | CUI CEM-1203(42) | PCB-r9ghqu7k23r9tf1n22ey-1:PCB-r9ghqu7k23r9tf1n22ey-1 | SP1 |
| 1 | ESP8266-12 | PCB-r749dbn3qd8hmbqyotoe-1:PCB-r749dbn3qd8hmbqyotoe-1 | M2 |
| 1 | MaxLinear SPX1117M3-L-3-3/TR | PCB-hm95ig869a1evybdrfsr-1:PCB-hm95ig869a1evybdrfsr-1 | U2 |
| 1 | Maxim Integrated MAX98357AETE+T | PCB-6gdjhqg9e8z12uq396f0-1:PCB-6gdjhqg9e8z12uq396f0-1 | U1 |
| 1 | Murata GRM1885C1H150JA01D | CAPC1608X90X35ML10T15:CAPC1608X90X35ML10T15 | C30 |
| 1 | SYM-b9a271de0f056665-1 | PCB-hv6ygxs31llgx1gk8kh9-1:PCB-hv6ygxs31llgx1gk8kh9-1 | Q1 |
| 1 | SparkFun WRL-13678 | PCB-pr7ep0xgk71wl34p5oug-1:PCB-pr7ep0xgk71wl34p5oug-1 | M1 |
| 1 | TE Connectivity / AMP 3-644695-2 | PCB-i8m17woc8q0u0fbeoczf-1:PCB-i8m17woc8q0u0fbeoczf-1 | CONN4 |
| 1 | VS1838B | PCB-xefjayg2fbacirlr6ddb-1:PCB-xefjayg2fbacirlr6ddb-1 | U4 |
| 1 | Velleman VMA107 | PCB-ydk586vaz5b9dilowqsu-1:PCB-ydk586vaz5b9dilowqsu-1 | M3 |
Questions
How big is the Digit PCB?
It measures 112.3 × 133.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Digit use?
129 parts, built around the 74LVCH1T45GW and ESP8266-12E. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Digit KiCad files?
From the ailgup/timer repository on GitHub, at the commit this page was made from: the board is Digit.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Digit design in my own project?
Its repository states no licence, so its author keeps all rights: ask ailgup before reusing the design.
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