This project was in development phase - we will remove this remark after release
Pas hw is an open-source printed circuit board by NGOQUOC98, from the NGOQUOC98/ESP32_MODBUS_PCB_MASTER repository on GitHub. It is a 2-layer board of 139.9 × 85.8 mm with 198 parts on 153 nets, routed with 1,597 tracks and 703 vias.
It is built around the ESP32-WROVER, MAX3485ED and NRF52833-DK, with the SN65HVD230D, RS485 and LM358 among its other parts. Its parts include 64 resistors, 50 capacitors, 16 connectors, 15 ICs and 12 diodes. It belongs with the ESP32 and nRF52 and nRF5x boards of this library.
| PIN NAME | RS485_U2TX | RS485_U2RX | RS485_U2EN | RS485_U1TX | RS485_U1RX | RS485_U1EN | OPAMP_VA1 | OPAMP_IA0 |
|---|---|---|---|---|---|---|---|---|
| PIN NUM | GPIO22 | GPIO23 | GPIO19 | GPIO18 | GPIO10 | GPIO5 | GPIO34 | GPIO35 |
| PIN NAME | RELAY_OUT0 | RELAY_OUT1 | RELAY_OUT2 | RELAY_OUT3 | RELAY_OUT4 | RELAY_OUT5 | RELAY_OUT6 | RELAY_OUT7 |
|---|---|---|---|---|---|---|---|---|
| PIN NUM | GPIO33 | GPIO25 | GPIO32 | GPIO13 | GPIO15 | GPIO26 | GPIO4 | GPIO9 |
| PIN NAME | GPIO_EX0 | GPIO_EX1 | GPIO_EX2 | GPIO_EX3 | DS1307_SCL | DS1307_SDA |
|---|---|---|---|---|---|---|
| PIN NUM | GPIO39 | GPIO38 | GPIO37 | GPIO36 | GPIO27 | GPIO14 |
Version 3.0
This project was in development phase - we will remove this remark after release
| Qty | Value | Footprint | References |
|---|---|---|---|
| 27 | 100nF | Capacitor_SMD:C_0603_1608Metric | C10, C14, C15, C16, C19, C20, C21, C22, C25, C27, C29, C30, C31, C32, C33, C38 +11 |
| 12 | 10K | Resistor_SMD:R_0603_1608Metric | R6, R8, R21, R31, R59, R60, R61, R62, R65, R67, R68, R69 |
| 10 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11 |
| 9 | 10 | Resistor_SMD:R_0603_1608Metric | R45, R46, R47, R48, R53, R54, R55, R56, R64 |
| 8 | 10A | footrint_master:relay-10A-18.2x10x14 | K0, K1, K2, K3, K4, K5, K6, K7 |
| 8 | 1N4148 | Diode_SMD:D_SOD-323 | D12, D13, D14, D15, D16, D17, D18, D19 |
| 8 | 4K7 | Resistor_SMD:R_0603_1608Metric | R10, R11, R24, R27, R28, R29, R30, R32 |
| 8 | Fuse_Small | Fuse:Fuse_BelFuse_0ZRE0005FF_L8.3mm_W3.8mm | F0, F1, F2, F3, F4, F5, F6, F7 |
| 6 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C34, C35, C36, C39, C41, C43 |
| 5 | 470R | Resistor_SMD:R_0603_1608Metric | R1, R25, R26, R57, R58 |
| 5 | 47uF | Capacitor_SMD:C_1210_3225Metric | C11, C17, C18, C26, C28 |
| 4 | 49.9R/1% | Resistor_SMD:R_0603_1608Metric | R15, R16, R17, R18 |
| 4 | C_Small | Capacitor_SMD:C_0603_1608Metric | C1, C3, C5, C12 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.5mm_Pad | H5, H6, H7, H8 |
| 4 | PTC | Resistor_SMD:R_0603_1608Metric | R73, R74, R77, R78 |
| 4 | R_Small | Resistor_SMD:R_0603_1608Metric | R2, R7, R9, R75 |
| 3 | 10uF | Capacitor_SMD:C_1210_3225Metric | C13, C37, C47 |
| 3 | 1K | Resistor_SMD:R_0603_1608Metric | R66, R70, R72 |
| 3 | TBD | Resistor_SMD:R_0603_1608Metric | R12, R13, R14 |
| 2 | 0R | Resistor_SMD:R_0603_1608Metric | R4, R63 |
| 2 | 10uF/50V | Capacitor_SMD:C_1210_3225Metric | C2, C4 |
| 2 | 120R | Resistor_SMD:R_0603_1608Metric | R71, R76 |
| 2 | 20pF | Capacitor_SMD:C_0603_1608Metric | C23, C24 |
| 2 | 4K7/NC | Resistor_SMD:R_0603_1608Metric | R22, R23 |
| 2 | NC | Resistor_SMD:R_0603_1608Metric | R33, R34 |
| 1 | 100K | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 15uH/3A | Inductor_SMD:L_10.4x10.4_H4.8 | L1 |
| 1 | 1nF | Capacitor_SMD:C_0603_1608Metric | C49 |
| 1 | 25 MHz | Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm | Y2 |
| 1 | 2N2219 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 44K2 | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 4K7 | Resistor_SMD:R_0402_1005Metric | R19 |
| 1 | 600uH/200mA | Inductor_SMD:L_0805_2012Metric | L2 |
| 1 | 6K8/1% | Resistor_SMD:R_0603_1608Metric | R20 |
| 1 | 93LC46 | Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm | U6 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | Analog | footrint_master:connect_1x4_3.81mm | J8 |
| 1 | AudioJack | footrint_master:jack3.5 | U9 |
| 1 | Battery_Cell | footrint_master:BAT_CR1220_Holder | BT1 |
| 1 | Buzzer | Buzzer_Beeper:Buzzer_15x7.5RM7.6 | BZ1 |
| 1 | CAN | footrint_master:connect_1x4_3.81mm | J9 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J6 |
| 1 | Conn_02x10_Counter_Clockwise | footrint_master:connect_2x10_P1.27mm_Vertical | LED_SW1 |
| 1 | Crystal | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | DIODE | Diode_SMD:D_0603_1608Metric | D20 |
| 1 | DM9051 | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.6x3.6mm | U7 |
| 1 | DS1307Z+ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | ESP32-WROVER | footrint_master:ESP32-WROOM | U1 |
| 1 | FLASH_HEADER | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | FR9888 | Package_SO:TI_SO-PowerPAD-8 | U2 |
| 1 | Fuse_Small | Fuse:Fuse_1812_4532Metric | F8 |
| 1 | I2C | footrint_master:connect_1x4_3.81mm | J3 |
| 1 | LED_STT1 | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | LM358 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | Logo_flametech | footrint_master:logo-flametech-v1 | Logo1 |
| 1 | MAX3485 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U12 |
| 1 | MCP23017_SS | Package_SO:SSOP-28_5.3x10.2mm_P0.65mm | U8 |
| 1 | NRF52833 | footrint_master:Module_NRF52833_SMD | U11 |
| 1 | NUP2105L | Package_TO_SOT_SMD:SOT-23 | U15 |
| 1 | PCM510x | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U10 |
| 1 | POWER | footrint_master:connect_1x4_3.81mm | J1 |
| 1 | RJ45_LED_Shielded | Connector_RJ:RJ45_Hanrun_HR911105A | J4 |
| 1 | RS485 | footrint_master:connect_1x4_3.81mm | J7 |
| 1 | Relay_0 | footrint_master:pin_1x1_6mm | J11 |
| 1 | Relay_1 | footrint_master:pin_1x1_6mm | J12 |
| 1 | Relay_2 | footrint_master:pin_1x1_6mm | J13 |
| 1 | Relay_3 | footrint_master:pin_1x1_6mm | J14 |
| 1 | Relay_4 | footrint_master:pin_1x1_6mm | J15 |
| 1 | Relay_5 | footrint_master:pin_1x1_6mm | J16 |
| 1 | Relay_6 | footrint_master:pin_1x1_6mm | J17 |
| 1 | Relay_7 | footrint_master:pin_1x1_6mm | J18 |
| 1 | SM712 | Package_TO_SOT_SMD:SOT-23 | U13 |
| 1 | SN65HVD230 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U14 |
| 1 | SS34 | Diode_SMD:D_SMB | D3 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | SW2 |
| 1 | TVS 18V | Diode_SMD:D_SMB | D2 |
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It measures 139.9 × 85.8 mm and has 2 copper layers, 1.6 mm thick.
198 parts, built around the ESP32-WROVER, MAX3485ED, NRF52833-DK and SN65HVD230D. 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.
From the NGOQUOC98/ESP32_MODBUS_PCB_MASTER repository on GitHub, at the commit this page was made from: the board is pas-hw.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask NGOQUOC98 before reusing the design.
