33EJU23
About the 33EJU23 PCB
33EJU23 is an open source PCB design by AlexEkb4ever, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 54 × 85.7 mm, with 94 components from 59 distinct parts.
Other key parts include the FE1.1s, MW7211A, XN297L and CXA1645M. By type, the board carries 35 resistors, 22 capacitors, 13 connectors, 7 jumpers, 6 crystals and 4 ICs.
From the project
2 boards for all features
Main components on the 33EJU23
33EJU23 bill of materials (BOM)
94 components, 59 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | FE1.1s | SSOP-28_3.9x9.9mm_P0.635mm | U1 |
| 1 | MW7211A | SO-16_5.3x10.2mm_P1.27mm | U2 |
| 1 | XN297L | SO-8_5.3x6.2mm_P1.27mm | U3 |
| 1 | CXA1645M | SO-24_5.3x15mm_P1.27mm | U4 |
| 1 | BC850 | SOT-23_Handsoldering | Q1 |
| 2 | 12MHz | Crystal_SMD_0603-4Pin_6.0x3.5mm | Y1, Y5_2 |
| 1 | 12MHz | Crystal_HC49-4H_Vertical | Y2 |
| 1 | 16MHz | Crystal_HC49-4H_Vertical | Y3 |
| 1 | 16MHz | Crystal_SMD_0603-4Pin_6.0x3.5mm | Y4 |
| 1 | 4,43M* | Crystal_HC49-4H_Vertical | Y5 |
| 1 | HDMI | HDMI | CN1 |
| 1 | EXT | PinHeader_2x20_P2.54mm_Vertical | J2 |
| 1 | JOY-1 | DSUB-9_Male_EdgeMount_P2.77mm | J3 |
| 3 | USB_A | USB_A_CONNFLY_DS1095-WNR0 | J4, J5, J6 |
| 1 | Conn_01x04_Male | PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | Conn_01x20 | PinHeader_1x20_P2.54mm_Vertical | J8 |
| 1 | Conn_01x12 | PinHeader_1x12_P2.54mm_Vertical | J9 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | J11 |
| 1 | VIDEO | Av-8.4-5 | J12 |
Show 39 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J13 |
| 1 | 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C_3V |
| 1 | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C_5V |
| 1 | R_J | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | G_J | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | B_J | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP3 |
| 2 | Jumper_2_Open | PinHeader_1x02_P2.54mm_Vertical | JP4, JP5 |
| 1 | SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP6 |
| 1 | PAL/NTSC | SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP8 |
| 1 | TYPE C and micro USB_data | USB-TYPEC_MICRO_USB | USB1 |
| 1 | TYPE C and micro USB_power | USB-TYPEC_MICRO_USB | USB2 |
| 1 | — | Crystal_SMD_0603-4Pin_6.0x3.5mm | i2c |
| 1 | 3V3 | R_0805_PLUS | D1 |
| 1 | 470u | CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 0.1u | R_0805_PLUS | C2 |
| 5 | 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C4, C5, C6, C14 |
| 2 | 20p | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8 |
| 8 | 0.1u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9, C10, C11, C12, C12', C15, C16, C17 |
| 1 | 33p | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C13 |
| 2 | 22p* | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C18, C19 |
| 1 | 220u | CP_Radial_D4.0mm_P2.00mm | C20 |
| 1 | 10n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C21 |
| 3 | 1k | R_0805_PLUS | R1, R3, R5 |
| 3 | 330R | R_0805_PLUS | R2, R4, R6 |
| 2 | 100R | R_0805_PLUS | R7, R8 |
| 2 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R14 |
| 1 | 2k7 1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 2 | 5.1K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11, R12 |
| 1 | 510 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13 |
| 1 | 16k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15 |
| 1 | 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16 |
| 1 | 47k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17 |
| 2 | 100 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R18, R19 |
| 3 | 390 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R20, R23, R26 |
| 3 | 820 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R21, R24, R27 |
| 5 | 100* | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R22, R25, R28, R29, R32 |
| 2 | 75* | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R30, R31 |
| 1 | 1к5 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R33 |
| 2 | 1k5 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R34, R35 |
33EJU23 design files
The KiCad project lives in the AlexEkb4ever/MURMULATOR_classical_scheme_ext_pair repository on GitHub; these links point at the commit this page was built from.
- Layout33EJU23/33EJU23.kicad_pcb
- Schematic33EJU23/33EJU23.kicad_sch
33EJU23: common questions
How big is the 33EJU23 PCB?
The 33EJU23 measures 54 × 85.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 33EJU23?
94 components, from 59 distinct parts. The full bill of materials is listed on this page.
Where can I download the 33EJU23 design files?
From the AlexEkb4ever/MURMULATOR_classical_scheme_ext_pair repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 33EJU23 design in my own project?
Yes, under the terms of its GPL-3.0 license, which AlexEkb4ever chose for the repository.
