MegaGRRLDesktop.kicad pcb v0.55
About the MegaGRRLDesktop.kicad pcb v0.55
MegaGRRLDesktop.kicad pcb v0.55 is an open source ESP32 PCB design by denjhang, published on GitHub under the MIT license. It is a 2-layer board measuring 124.5 × 124.5 mm, with 124 components from 47 distinct parts.
Its main chip is the ESP-WROOM-32ESP-WROOM-32-NO-RF, from the ESP32 family. Other key parts include the 74HCT595N, MCP23017SP, NE5532N, YM2612 and SN76489. By type, the board carries 31 resistors, 30 capacitors, 14 LEDs, 12 ICs, 4 connectors and 2 transistors.
It belongs with the iot & wireless and power & battery designs in this gallery, and the repository also holds 3 earlier revisions of it.
From the project
I have been using the desktop version of MegaGRRL for 4 years. As my PCB drawing skills improve, I have the confidence to realize all my ideas and changes. This version is based on the Type-C version and includes a lot of practical modifications.
Main components on the MegaGRRLDesktop.kicad pcb v0.55
MegaGRRLDesktop.kicad pcb v0.55 bill of materials (BOM)
124 components, 47 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74HCT595N | DIL16 | IC2, IC3 |
| 1 | MCP23017SP | DIL28-3 | IC4 |
| 1 | NE5532N | DIL08 | IC5 |
| 1 | YM2612 | YM2612 | IC7 |
| 1 | SN76489 | SN76489 | IC8 |
| 2 | PCA9634PW | TSSOP-20_4.4x6.5mm_P0.65mm | IC9, IC10 |
| 1 | TPA6111A2DR | D8 | IC11 |
| 1 | ESP-WROOM-32ESP-WROOM-32-NO-RF | ESP-WROOM-32-NO-RF | IC12 |
| 1 | CH340C | SOIC-16_3.9x9.9mm_P1.27mm | IC14 |
| 1 | AMS1117-3.3V | SOT-223 | U4 |
| 2 | 2SC1815 | TO-92_Inline | Q2, Q3 |
| 1 | USB_B_Mini | USB_Mini-B_Lumberg_2486_01_Horizontal | J1 |
| 1 | 35RAPC4BHN2 | Jack_3.5mm_CUI_SJ1-3525N_Horizontal | J2 |
| 1 | std:8630a74813a14cdca67e7b05dd5d2bc3 | TF-SMD_TF-PUSH | J3a |
| 1 | POWER_JACK | POWER_JACK_PTH | J4 |
| 1 | R_0603_1608Metric | R_0603_1608Metric | 2k2 |
| 1 | C_0603_1608Metric | C_0603_1608Metric | 4.7u |
| 10 | — | B1,27 | EX_A0, EX_B0, TP_3V3, TP_BOOTMODE0, TP_GND0, TP_RESET0, TP_RX0, TP_SCL0 +2 |
| 1 | FUSE_0805_2012METRIC Fuse_0805_2012Metric | Fuse_0805_2012Metric | F1 |
| 4 | MOUNT-HOLE3.2 | 3,2 | H3, H4, H7, H8 |
Show 27 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | MOUNT-HOLE3.6 | 3,6 | H5, H6 |
| 1 | ILI9341_2_4 | ILI9341_2_4 | JP1 |
| 1 | DIP04S | DIP04S | S1 |
| 1 | std:d3d4a25bb1344bd597a3916e4358391c | SW-TH_PS-22E05 | SW1 |
| 7 | MOMENTARY-SWITCH-SPST-PTH-6.0MM | TACTILE_SWITCH_PTH_6.0MM | SWA0, SWB0, SWC0, SWDOWN0, SWLEFT0, SWRIGHT0, SWUP0 |
| 1 | std:f55dec43d47241219f1ef8a3f0efb8e3 | CONN-TH_9P-P2.50_ZX-XH2.54-9PZZ | XH2.54-9P |
| 14 | LED3MM | LED3MM | LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +6 |
| 1 | RL622-101K-RC | RL622_SERIES | L1 |
| 13 | 0.1UF 0.1uF | C025-024X044 | C1, C5, C9, C11, C12, C18, C19, C24 +5 |
| 4 | 10UF 10uF | E2,5-5 | C2, C6, C7, C10 |
| 2 | 120PF 120pF | C025-024X044 | C3, C4 |
| 5 | 1UF 1uF | E2-4 | C8, C14, C15, C16, C17 |
| 1 | 330UF 330uF | E2,5-7 | C13 |
| 5 | 100UF 100uF | E2,5-7 | C20, C21, C26, C28, C33 |
| 5 | 2K2 2k2 | 0204_7 | R1, R2, R10, R21, R22 |
| 2 | 82K 82k | 0204_7 | R3, R4 |
| 4 | 47K 47k | 0204_7 | R5, R6, R7, R8 |
| 1 | 5K6 5k6 | 0204_7 | R9 |
| 1 | POTENTIOMETER_ALPS_RK097_DUAL_HORIZONTAL 5k6 | 0204_7 | R11 |
| 1 | 100R | 0204_7 | R12 |
| 7 | 10K 10k | 0204_7 | R13, R17, R18, R27, R28, R29, R31 |
| 2 | 15K 15k | 0204_7 | R15, R16 |
| 2 | 10R | 0204_7 | R19, R20 |
| 1 | POTENTIOMETER_ALPS_RK097_DUAL_HORIZONTAL Potentiometer_Alps_RK097_Dual_Horizontal | Potentiometer_Alps_RK097_Dual_Horizontal | R23 |
| 2 | 100K 100k | 0204_7 | R24, R25 |
| 2 | 1k | SIL9 | RN1, RN3 |
| 1 | 10K 10k | SIL9 | RN2 |
MegaGRRLDesktop.kicad pcb v0.55 design files
The KiCad project lives in the denjhang/MegaGRRL-Desktop-Mini-USB repository on GitHub; these links point at the commit this page was built from.
MegaGRRLDesktop.kicad pcb v0.55: common questions
What microcontroller does the MegaGRRLDesktop.kicad pcb v0.55 use?
The MegaGRRLDesktop.kicad pcb v0.55 is built around the ESP-WROOM-32ESP-WROOM-32-NO-RF, from the ESP32 family.
How big is the MegaGRRLDesktop.kicad pcb v0.55?
The MegaGRRLDesktop.kicad pcb v0.55 measures 124.5 × 124.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MegaGRRLDesktop.kicad pcb v0.55?
124 components, from 47 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 MegaGRRLDesktop.kicad pcb v0.55 design files?
From the denjhang/MegaGRRL-Desktop-Mini-USB repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the MegaGRRLDesktop.kicad pcb v0.55 design in my own project?
Yes, under the terms of its MIT license, which denjhang chose for the repository.
Can I test firmware for the MegaGRRLDesktop.kicad pcb v0.55 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.
More boards in MegaGRRL-Desktop-Mini-USB
Earlier revisions in the repo: MegaGRRLDesktop.kicad_pcb-v0.47, MegaGRRLDesktop.kicad_pcb-v0.6, MegaGRRLDesktop.kicad_pcb-v0.5
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