MRR ESPA
MRR ESPA is an open source ESP32 PCB design by maplerainresearch: a 2-layer, 99.5 × 90.5 mm board with 126 components (92 distinct parts). It is built around the C95209, C45886, C84681, C6186 and more. Filed under robotics & motion and iot & wireless.
A basic 3D printer control board based on ESP32
This is a bare-minimum 3D printer control board based on the ESP32 microcontroller, which comes with built-in WiFi and BlueTooth.
Facebook page Facebook group (for discussions, etc.)
Marlin 2.0 has added support for ESP32. This board was based on the initial pins definition used. In addition, Luc has been working on a Marlin fork which incorporates part of his ESP3D webUI into Marlin itself.
Built around
Parts list
126 components, 92 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C95209 ESP32-WROOM-32D Espressif Systems | ESP32-WROOM-32 | U1 |
| 1 | C45886 TPS54340DDA Texas Instruments | TI_SO-PowerPAD-8_ThermalVias | U2 |
| 1 | C84681 CH340C Jiangsu Qin Heng | SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | C6186 AMS1117-3.3 Advanced Monolithic Systems | SOT-223-3_TabPin2 | U4 |
| 4 | C27438 Pololu_board Boom Precision Elec | Pololu_Breakout-16_15.2x20.3mm | U5, U6, U8, U9 |
| 1 | C96457 TLP182 TOSHIBA | MFSOP6-4_4.4x3.6mm_P1.27mm | U10 |
| 2 | C12519 74LVC1G125 Nexperia | SOT-353_SC-70-5 | U11, U12 |
| 1 | C148446 WSK220N04 Winsok Semicon | TO-263-2 | Q1 |
| 1 | C148428 WSF3085 Winsok Semicon | TO-252-2 | Q2 |
| 1 | C148426 WSF3038 Winsok Semicon | TO-252-2 | Q3 |
| 2 | C181164 S9014 Guangdong Hottech | SOT-23 | Q4, Q5 |
| 1 | C144394 X_MIN JST Sales America | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J1 |
| 1 | C144394 Z_MIN JST Sales America | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J2 |
| 1 | C89120 BED Phoenix Contact | TerminalBlock_Phoenix_MKDS-3-2-5.08_1x02_P5.08mm_Horizontal | J3 |
| 1 | C111196 Micro_SD_Card_China SOFNG | Conn_uSDcard | J4 |
| 1 | C144394 Y_MIN JST Sales America | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J5 |
| 1 | C144394 Z_PROBE JST Sales America | JST_XH_B03B-XH-A_1x03_P2.50mm_Vertical | J6 |
| 1 | C91153 E0 Phoenix Contact | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J7 |
| 1 | C124375 FAN_CASE Shenzhen Cankemeng | PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | C90087 PWR_IN Phoenix Contact | TerminalBlock_Phoenix_MKDS-3-4-5.08_1x04_P5.08mm_Horizontal | J9 |
Show 72 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C124375 PART_FAN Shenzhen Cankemeng | PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | C124375 FAN_HEATSINK Shenzhen Cankemeng | PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | C158012 T_BED JST Sales America | JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J12 |
| 1 | C158012 T_E0 JST Sales America | JST_XH_B02B-XH-A_1x02_P2.50mm_Vertical | J13 |
| 1 | C124381 I2C/SPI Shenzhen Cankemeng | PinHeader_1x08_P2.54mm_Vertical | J14 |
| 1 | C9135 AUX1 Boom Precision Elec | IDC-Header_2x04_P2.54mm_Vertical | J15 |
| 1 | C136000 USB_B_Micro MOLEX | USB_Micro-B_Molex-105017-0001 | J16 |
| 1 | C124378 CS_PINS Shenzhen Cankemeng | PinHeader_1x04_P2.54mm_Vertical | J17 |
| 1 | C124378 X_MOTOR Shenzhen Cankemeng | PinHeader_1x04_P2.54mm_Vertical | J21 |
| 1 | C124386 Z_MOTOR Shenzhen Cankemeng | PinHeader_2x04_P2.54mm_Vertical | J22 |
| 1 | C124378 Y_MOTOR Shenzhen Cankemeng | PinHeader_1x04_P2.54mm_Vertical | J23 |
| 1 | C124378 E0_MOTOR Shenzhen Cankemeng | PinHeader_1x04_P2.54mm_Vertical | J24 |
| 1 | C44480 15A 2410 Littelfuse | Littelfuse_0451 | F1 |
| 1 | C187558 30A 3912 Littelfuse | Littelfuse_456 | F2 |
| 1 | C124376 X_MS1 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | C124376 Y_MS1 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP2 |
| 1 | C124376 Z_MS1 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP3 |
| 1 | C124376 E0_MS1 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP4 |
| 1 | C124376 X_MS2 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP5 |
| 1 | C124376 Y_MS2 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP6 |
| 1 | C124376 Z_MS2 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP7 |
| 1 | C124376 E0_MS2 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP8 |
| 1 | C124376 X_MS3 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP9 |
| 1 | C124376 Y_MS3 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP10 |
| 1 | C124376 Z_MS3 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP11 |
| 1 | C124376 E0_MS3 Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP12 |
| 1 | C124376 X_RST Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP13 |
| 1 | C124376 Y_RST Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP14 |
| 1 | C124376 Z_RST Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP15 |
| 1 | C124376 E0_RST Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP16 |
| 1 | C124376 5V_SEL Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP17 |
| 1 | C124376 PWR_SEL Shenzhen Cankemeng | PinHeader_1x03_P2.54mm_Vertical | JP18 |
| 1 | C83206 RESET Korean Hroparts Elec | 6x6mmTactileSwitch | SW1 |
| 1 | C72037 LED_BED Everlight Elec | LED_0805 | D1 |
| 1 | C81598 1N4148W Semtech | D_SOD-123 | D2 |
| 1 | C72037 LED_E0 Everlight Elec | LED_0805 | D3 |
| 2 | C108803 1N4007W Shandong Jingdao Microelectronics | D_SOD-123F | D4, D5 |
| 1 | C72037 LED_FAN Everlight Elec | LED_0805 | D6 |
| 2 | C19224 PESD5V0S1BA Nexperia | D_SOD-323 | D7, D8 |
| 1 | C72264 B540C-13-F Diodes Incorporated | D_SMC | D9 |
| 1 | C73548 LED_3V Everlight Elec | LED_0805 | D10 |
| 1 | C73548 LED_5V Everlight Elec | LED_0805 | D11 |
| 1 | C72035 LED_VIN Everlight Elec | LED_0805 | D12 |
| 1 | C72035 LED_VBED Everlight Elec | LED_0805 | D13 |
| 2 | C169540 1N5819W Shandong Jingdao Microelectronics | D_SOD-123 | D14, D15 |
| 1 | C181722 4.7uH4.5A Shun Xiang Nuo Elec | SMMS0530 | L1 |
| 4 | C128353 100nF25V Walsin Tech Corp | C_0805_2012Metric | C1, C2, C3, C28 |
| 1 | C176665 100uF50V Lelon | CP_Elec_8x10 | C4 |
| 2 | C5674 22uF6.3V Samsung Electro-Mechanics | C_0805_2012Metric | C5, C6 |
| 1 | C307575 4.7uF50V Samsung Electro-Mechanics | C_1206_3216Metric | C7 |
| 1 | C152862 820pF50V Walsin Tech Corp | C_0805_2012Metric | C8 |
| 1 | C296102 56pF50V Walsin Tech Corp | C_0805_2012Metric | C9 |
| 1 | C161260 100nF50V Murata Electronics | C_0805_2012Metric | C10 |
| 1 | C52278 10nF50V Guangdong Fenghua Advanced Tech | C_0805_2012Metric | C11 |
| 1 | C92821 47uF16V Taiyo Yuden | C_1206_3216Metric | C12 |
| 2 | C87159 47uF6.3V Taiyo Yuden | C_0805_2012Metric | C13, C14 |
| 4 | C97811 100uF35V Semtech | CP_Elec_6.3x7.7 | C15, C16, C17, C18 |
| 1 | C15008 100uF6.3V Samsung Electro-Mechanics | C_1206_3216Metric | C19 |
| 5 | C38522 10K Uniroyal Elec | R_0805_2012Metric | R1, R3, R4, R8, R32 |
| 5 | C17520 2.2K Uniroyal Elec | R_0805_2012Metric | R5, R9, R12, R30, R31 |
| 2 | C17415 10R Uniroyal Elec | R_0805_2012Metric | R10, R13 |
| 2 | C149504 100K Uniroyal Elec | R_0805_2012Metric | R11, R14 |
| 3 | C17444 12K Uniroyal Elec | R_0805_2012Metric | R15, R22, R23 |
| 4 | C17673 4.7K Uniroyal Elec | R_0805_2012Metric | R16, R17, R19, R20 |
| 1 | C170958 73.2K Walsin Tech Corp | R_0805_2012Metric | R18 |
| 1 | C170848 23.7K Walsin Tech Corp | R_0805_2012Metric | R21 |
| 1 | C273994 60.4K YAGEO | R_0805_2012Metric | R24 |
| 1 | C17418 11.5K Uniroyal Elec | R_0805_2012Metric | R25 |
| 2 | C17477 0R Uniroyal Elec | R_0805_2012Metric | R26, R27 |
| 1 | C17557 220R Uniroyal Elec | R_0805_2012Metric | R28 |
| 2 | C17630 330R Uniroyal Elec | R_0805_2012Metric | R29, R36 |
| 2 | C17513 1K Uniroyal Elec | R_0805_2012Metric | R35, R38 |
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