ESP32 GRBL SUBD
About the ESP32 GRBL SUBD PCB
ESP32 GRBL SUBD is an open source PCB design by JochiSt, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 91 × 67 mm, with 69 components from 14 distinct parts.
Other key parts include the 74HCT245. By type, the board carries 36 resistors, 12 connectors, 7 capacitors, 6 transistors, 5 diodes and 3 ICs.
It belongs with the robotics & motion designs in this gallery.
From the project
ESP32 GRBL adapter to SUB-D25
adapter to use the ESP32 GRBL port with usual CNC machines, which are controlled via LPT (SUB-D25)
Main components on the ESP32 GRBL SUBD
ESP32 GRBL SUBD bill of materials (BOM)
69 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 74HCT245 | SO-20_12.8x7.5mm_P1.27mm | U1, U2, U3 |
| 6 | BSS138 | SOT-23 | Q2, Q3, Q4, Q5, Q6, Q7 |
| 1 | Micro_SD_Card | microSD_HC_Wuerth_693072010801 | J2 |
| 2 | Conn_01x19_Female | PinSocket_1x19_P2.54mm_Vertical | J3, J4 |
| 9 | Screw_Terminal_01x02 | TerminalBlock_MetzConnect_Type055_RT01502HDWU_1x02_P5.00mm_Horizontal | J5, J6, J7, J8, J9, J10, J11, J12 +1 |
| 1 | SM4007 | D_MELF | D1 |
| 4 | LED | LED_0603_1608Metric | D2, D3, D4, D5 |
| 6 | 100n | C_0603_1608Metric | C1, C2, C3, C4, C6, C7 |
| 1 | 1u | C_0603_1608Metric | C5 |
| 10 | 47k | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +2 |
| 12 | 10k | R_0603_1608Metric | R9, R10, R11, R12, R13, R14, R15, R16 +4 |
| 2 | 0R | R_0603_1608Metric | R21, R29 |
| 8 | dnp | R_0603_1608Metric | R23, R24, R25, R26, R27, R28, R30, R32 |
| 4 | 2k7 | R_0603_1608Metric | R33, R34, R35, R36 |
ESP32 GRBL SUBD design files
The KiCad project lives in the JochiSt/ESP32_GRBL_SUBD repository on GitHub; these links point at the commit this page was built from.
ESP32 GRBL SUBD: common questions
How big is the ESP32 GRBL SUBD PCB?
The ESP32 GRBL SUBD measures 91 × 67 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the ESP32 GRBL SUBD?
69 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESP32 GRBL SUBD design files?
From the JochiSt/ESP32_GRBL_SUBD repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ESP32 GRBL SUBD design in my own project?
Yes, under the terms of its GPL-3.0 license, which JochiSt chose for the repository.
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