2 layers99.5 × 99.5 mm
2 layers102 × 102 mm
MRR ESPE
maplerainresearch/MRR_ESPE39MRR ESPE 3D printer control board
- Size
- 102 × 102 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 168
- Nets
- 165
- Pads
- 654
- Tracks, vias
- 2,110, 554
- Pours
- 38
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 19 Apr 2019
- Updated
- 14 Jan 2020
Overview
MRR ESPE is an open-source printed circuit board by maplerainresearch, from the maplerainresearch/MRR_ESPE repository on GitHub. It is a 2-layer board of 102 × 102 mm with 168 parts on 165 nets, routed with 2,110 tracks and 554 vias.
It is built around the CH340C, ESP32-WROOM-32D and 74HCT595D, with the AMS1117-3.3, 100UF 35V 8*12白高频 and 1N4007W among its other parts. Its parts include 42 resistors, 28 capacitors, 14 diodes, 14 connectors and 12 ICs. It belongs with the ESP32 boards of this library.
Main components
12
CH340C
SOP-16-20℃~+70℃ 2Mbps 3.3V、5V 50uA 7mA Transceiver USB 2.0 SOP-16 USB Converters ROHSWCH (Nanjing Qinheng Microelectronics)USB Converters
ESP32-WROOM-32D
-- WiFi Modules ROHSEspressif SystemsWiFi Modules74HCT595D
SOIC-16-40℃~+125℃ 1 25ns@4.5V,50pF 30MHz 4.5V~5.5V 500mW 6mA 74HCT 8 Serial-to-Serial or Parallel Tri-State SOIC-16 Shift Registers ROHSNexperiaShift Registers
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators100UF 35V 8*12白高频
CAP-TH100uF 12mm 3.5mm 3000hrs@105℃ 35V 640mA@100kHz 8mm 插件,8x12mm Aluminum Electrolytic Capacitors - Leaded ROHSCXAluminum Electrolytic Capacitors - Leaded
1N4007W
SOD-123FLDiodes - General Purposehongjiacheng1N5819W
SOD-12313A 350mA 40V 5uA@30V 600mV@200mA Standalone SOD-123 Schottky Diodes ROHSJSMSEMISchottky Diodes
PESD5V0S1BA
SOD-323-55℃~+150℃ 1 12A@8/20us 130W@8/20us 14V 35pF 5V 5nA 9.5V Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5 SOD-323 ESD and Surge Protection (TVS/ESD) ROHSNexperiaESD And Surge Protection (TVS/ESD)
S9014
SOT-23-55℃~+150℃ 1 NPN 100mA 100nA 150MHz 200 200mW 300mV 45V 5V NPN SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
WST3392
SOT-23-6L-55℃~+150℃ 1.15W 2 N-Channel 210pF 2V 3.7A 30V 30pF 4.05nC@10V 45pF 73mΩ@4.5V N-Channel SOT-23-6L MOSFETs ROHSWinsok SemiconMOSFETs
1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes
B540C-13-F-MS
SMC-65℃~+125℃ 1 Independent 175A 40V 500uA@40V 5A 750mV@5A SMC Schottky Diodes ROHSMSKSEMISchottky Diodes
README
adapters/AUX1_adapter/README.mdAUX1 adapter
Fixes issue with AUX1 port on MRR ESPE v0.5
This adapter board fixes MRR ESPE v0.5's issue with the TX/RX pins being swapped on the AUX1 connector.
Simply use an IDC cable to connect AUX1_BRD to the AUX1 connector on the board. Then connect AUX1_SCRN to the screen (such as MKS TFT32).
Parts
168| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 100nF25V | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C20, C21, C23, C24, C25, C28 |
| 9 | 10K | Resistor_SMD:R_0805_2012Metric | R1, R3, R4, R8, R32, R33, R37, R39, R41 |
| 5 | 100K | Resistor_SMD:R_0805_2012Metric | R7, R11, R14, R34, R42 |
| 5 | 100uF35V | Capacitor_SMD:CP_Elec_6.3x7.7 | C15, C16, C17, C18, C27 |
| 5 | 10R | Resistor_SMD:R_0805_2012Metric | R6, R10, R12, R13, R40 |
| 5 | 4.7K | Resistor_SMD:R_0805_2012Metric | R2, R16, R17, R19, R20 |
| 5 | Pololu_board | Module:Pololu_Breakout-16_15.2x20.3mm | U5, U6, U8, U9, U11 |
| 4 | 2.2K | Resistor_SMD:R_0805_2012Metric | R5, R9, R30, R31 |
| 4 | 22uF6.3V | Capacitor_SMD:C_0805_2012Metric | C5, C6, C22, C26 |
| 4 | 74HCT595 | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U7, U13, U14, U15 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_DIN965 | H1, H2, H3, H4 |
| 3 | 12K | Resistor_SMD:R_0805_2012Metric | R15, R22, R23 |
| 2 | 0R | Resistor_SMD:R_0805_2012Metric | R26, R27 |
| 2 | 1K | Resistor_SMD:R_0805_2012Metric | R35, R38 |
| 2 | 1N4007W | projfp:D_SOD-123F | D4, D5 |
| 2 | 1N5819W | Diode_SMD:D_SOD-123 | D14, D15 |
| 2 | 330R | Resistor_SMD:R_0805_2012Metric | R29, R36 |
| 2 | 47uF6.3V | Capacitor_SMD:C_0805_2012Metric | C13, C14 |
| 2 | PESD5V0S1BA | projfp:D_SOD-323 | D7, D8 |
| 2 | S9014 | Package_TO_SOT_SMD:SOT-23 | Q4, Q5 |
| 2 | WST3392 | Package_TO_SOT_SMD:SOT-23-6_Handsoldering | Q3, Q6 |
| 1 | 100nF50V | Capacitor_SMD:C_0805_2012Metric | C10 |
| 1 | 100uF50V | Capacitor_SMD:CP_Elec_8x10 | C4 |
| 1 | 100uF6.3V | Capacitor_SMD:C_1206_3216Metric | C19 |
| 1 | 11.5K | Resistor_SMD:R_0805_2012Metric | R25 |
| 1 | 15A 2410 | projfp:Littelfuse_0451 | F1 |
| 1 | 1N4148W | projfp:D_SOD-123 | D2 |
| 1 | 1nF16V | Capacitor_SMD:C_0805_2012Metric | C11 |
| 1 | 220R | Resistor_SMD:R_0805_2012Metric | R28 |
| 1 | 23.7K | Resistor_SMD:R_0805_2012Metric | R21 |
| 1 | 30A 3912 | projfp:Littelfuse_0456 | F2 |
| 1 | 4.7uF50V | Capacitor_SMD:C_1206_3216Metric | C7 |
| 1 | 4.7uH4.5A | projfp:SMMS0530 | L1 |
| 1 | 47uF10V | Capacitor_SMD:C_1206_3216Metric | C12 |
| 1 | 56pF50V | Capacitor_SMD:C_0805_2012Metric | C9 |
| 1 | 5V_SEL | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP28 |
| 1 | 60.4K | Resistor_SMD:R_0805_2012Metric | R24 |
| 1 | 73.2K | Resistor_SMD:R_0805_2012Metric | R18 |
| 1 | 820pF50V | Capacitor_SMD:C_0805_2012Metric | C8 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U4 |
| 1 | AUX1 | Connector_IDC:IDC-Header_2x04_P2.54mm_Vertical | J15 |
| 1 | B540C-13-F | projfp:D_SMC | D9 |
| 1 | BED | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-3-2-5.08_1x02_P5.08mm_Horizontal | J3 |
| 1 | BED_SEL | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP18 |
| 1 | BEEP_SEL | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP17 |
| 1 | CASE_FAN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J18 |
| 1 | CASE_ON | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP23 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U3 |
| 1 | CS_PINS | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J20 |
| 1 | E0 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J7 |
| 1 | E0_MOTOR | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J24 |
| 1 | E0_MS1 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP4 |
| 1 | E0_MS2 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP8 |
| 1 | E0_MS3 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP12 |
| 1 | E0_RST | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP16 |
| 1 | E0_SEL | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP20 |
| 1 | E1_MOTOR | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J25 |
| 1 | E1_MS1 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP22 |
| 1 | E1_MS2 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP25 |
| 1 | E1_MS3 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP26 |
| 1 | E1_RST | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP27 |
| 1 | ESP32-WROOM-32D | RF_Module:ESP32-WROOM-32 | U1 |
| 1 | EXP3 | Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical | J26 |
| 1 | EXT_FAN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J19 |
| 1 | EXT_ON | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP24 |
| 1 | FAN_SEL | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP19 |
| 1 | HS_FAN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J17 |
| 1 | HS_ON | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP21 |
| 1 | I2C/SPI | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J14 |
| 1 | IRLR8743TRPBF | Package_TO_SOT_SMD:TO-252-2 | Q2 |
| 1 | IRLS3034PBF | Package_TO_SOT_SMD:TO-263-2 | Q1 |
| 1 | LED_3V | projfp:LED_0805 | D10 |
| 1 | LED_5V | projfp:LED_0805 | D11 |
| 1 | LED_BED | projfp:LED_0805 | D1 |
| 1 | LED_E0 | projfp:LED_0805 | D3 |
| 1 | LED_VBED | projfp:LED_0805 | D13 |
| 1 | LED_VIN | projfp:LED_0805 | D12 |
| 1 | Micro_SD_Card_China | projfp:Conn_uSDcard | J4 |
| 1 | PART_FAN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J10 |
| 1 | PWR_IN | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-3-4-5.08_1x04_P5.08mm_Horizontal | J9 |
The 139 most common of 168 parts.
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Questions
How big is the MRR ESPE PCB?
It measures 102 × 102 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MRR ESPE use?
168 parts, built around the CH340C, ESP32-WROOM-32D, 74HCT595D and AMS1117-3.3. 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 MRR ESPE KiCad files?
From the maplerainresearch/MRR_ESPE repository on GitHub, at the commit this page was made from: the board is current/MRR_ESPE.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MRR ESPE design in my own project?
Its repository states no licence, so its author keeps all rights: ask maplerainresearch before reusing the design.