2 layers65 × 56 mm
RPi RTC RS232
bluespider42/RPi_RS232-RTC
A Raspberry Pi 2 (or B+) expansion board providing RS232 level serial communication, a high quality battery backed RTC and power controls.
16 parts1
2 layers120 × 72.4 mm
Irrigation ctrl main board
mwick83/irrigation_ctrl_hw1Irrigation Controller aiming to keep (my) plants happy - hardware repository
- Size
- 120 × 72.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 85
- Nets
- 75
- Pads
- 297
- Tracks, vias
- 622, 57
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 21 Jan 2018
- Updated
- 24 Jan 2018
Overview
Irrigation ctrl main board is an open-source printed circuit board by mwick83, from the mwick83/irrigation_ctrl_hw repository on GitHub, published under the BSD-3-Clause licence. It is a 2-layer board of 120 × 72.4 mm with 85 parts on 75 nets, routed with 622 tracks and 57 vias.
It is built around the ESP32-WROOM-32, MAX3222IPW and TPS54560DDA, with the ULN2003A and BSS138 among its other parts. Its parts include 26 resistors, 24 capacitors, 13 connectors, 6 switches and 5 ICs. It belongs with the ESP32 boards of this library.
Main components
5
ESP32-WROOM-32
SMD,18x25.5mm-40℃~+85℃ -98dBm 2.4GHz 2.7V~3.6V 20dBm Bluetooth4.2 ESP32-DOWDQ6 UART、SDIO、SPI、I2C、GPIO、PWM、ADC、DAC SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
MAX3222IPW
TSSOP-20-40℃~+85℃ 1mA 2 2 250Kbps 3V~5.5V Transceiver Yes ±15kV TSSOP-20 RS232 ICs ROHSTexas InstrumentsRS232 ICs
TPS54560DDA
SO-8-EP-40℃~+150℃@(TJ) 1 146uA 2.5MHz 4.5V~60V 5A 800mV~58.8V Adjustable Buck Buck Built-in No SO-8-EP DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
ULN2003A
SOP-16-40℃~+85℃ 0.93mA 100uA 15pF 20uA 30V 50V Seven channels SOP-16 Darlington Transistor Arrays ROHSUMWDarlington Transistor Arrays
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
README
README.mdIrrigation Controller (hardware repo)
This is the hardware repository for the Irrigation Controller project. The repository holding the software of the project contains the documentation. Please refer to https://github.com/mwick83/irrigation_ctrl.
License
Copyright (c) 2017-2018 Manuel Wick
Licensed under the BSD 3-clause "New" or "Revised" License. See LICENSE.md file or http://www.opensource.org/licenses/BSD-3-Clause for details.
Archived footprints
Please note that most of the footprints in directories "archived_footprints.pretty" are derived from the KiCAD distribution. They are licensed under their own associated license. These footprints are only provided for convenience and archiving purposes.
Parts
85| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 100n | Capacitors_SMD:C_0805_HandSoldering | C1, C5, C9, C11, C12, C13, C14, C15, C21 |
| 6 | 10k | Resistors_SMD:R_0805_HandSoldering | R1, R3, R5, R8, R22, R26 |
| 5 | NC | Resistors_SMD:R_0805_HandSoldering | R6, R7, R11, R12, R13 |
| 4 | 2u2 | Capacitors_SMD:C_1206_HandSoldering | C4, C6, C17, C18 |
| 4 | BSS138 | TO_SOT_Packages_SMD:SOT-23 | Q1, Q2, Q3, Q4 |
| 4 | Conn_01x01 | Mounting_Holes:MountingHole_3.2mm_M3 | J10, J11, J12, J13 |
| 4 | G5LE-1 | Relays_THT:Relay_SPDT_OMRON-G5LE-1 | K1, K2, K3, K4 |
| 2 | 12p | Capacitors_SMD:C_0805_HandSoldering | C2, C3 |
| 2 | 1n | Capacitors_SMD:C_0805_HandSoldering | C22, C23 |
| 2 | 2k2 | Resistors_SMD:R_0805_HandSoldering | R18, R19 |
| 2 | 470 | Resistors_SMD:R_0805_HandSoldering | R24, R25 |
| 2 | 47u | Capacitors_SMD:CP_Elec_8x6.7 | C16, C24 |
| 2 | D_Schottky | Diodes_SMD:D_SMC_Handsoldering | D1, D2 |
| 2 | SW_Push | Switches:SW_SPST_REICHELT_SMD | SW1, SW2 |
| 2 | TPS54560DDA | Housings_SOIC:TI_SO-PowerPAD-8 | U3, U4 |
| 1 | 0 / 470 / NC | Resistors_SMD:R_0805_HandSoldering | R20 |
| 1 | 10k (0.1%) | Resistors_SMD:R_0805_HandSoldering | R15 |
| 1 | 10u (NC) | Capacitors_SMD:C_1206_HandSoldering | C10 |
| 1 | 11k (0.1%) | Resistors_SMD:R_0805_HandSoldering | R21 |
| 1 | 130k | Resistors_SMD:R_0805_HandSoldering | R17 |
| 1 | 130k (0.1%) | Resistors_SMD:R_0805_HandSoldering | R23 |
| 1 | 15p | Capacitors_SMD:C_0805_HandSoldering | C20 |
| 1 | 180k | Resistors_SMD:R_0805_HandSoldering | R4 |
| 1 | 18k (0.1%) | Resistors_SMD:R_0805_HandSoldering | R9 |
| 1 | 22p | Capacitors_SMD:C_0805_HandSoldering | C8 |
| 1 | 27k4 | Resistors_SMD:R_0805_HandSoldering | R16 |
| 1 | 27n | Capacitors_SMD:C_0805_HandSoldering | C7 |
| 1 | 2n2 | Capacitors_SMD:C_0805_HandSoldering | C19 |
| 1 | 32.768k | Crystals:Crystal_DS26_d2.0mm_l6.0mm_Horizontal | Y1 |
| 1 | 33u | Inductors_SMD:L_7.3x7.3_H4.5 | L1 |
| 1 | 56k2 (0.1%) | Resistors_SMD:R_0805_HandSoldering | R10 |
| 1 | 68u | Inductors_SMD:L_7.3x7.3_H4.5 | L2 |
| 1 | 8k25 | Resistors_SMD:R_0805_HandSoldering | R2 |
| 1 | 91k (0.1%) | Resistors_SMD:R_0805_HandSoldering | R14 |
| 1 | ESP32-WROOM | ESP32-footprints-Lib:ESP32-WROOM | U2 |
| 1 | JTAG | Connectors_IDC_005:IDC_Header_Straight_10pins_005 | J3 |
| 1 | KEEP_AWAKE | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | JP1 |
| 1 | MAX3222 | Housings_SOIC:SOIC-18W_7.5x11.6mm_Pitch1.27mm | U1 |
| 1 | OUT_AUX0 | AKL230:AKL230-03 | J8 |
| 1 | OUT_AUX1 | AKL230:AKL230-03 | J9 |
| 1 | OUT_MAIN | AKL230:AKL230-03 | J7 |
| 1 | PWR_IN | AKL230:AKL230-02 | J6 |
| 1 | UART1 | AKL230:AKL230-04 | J1 |
| 1 | UART2 | AKL230:AKL230-04 | J2 |
| 1 | UART_DBG | Pin_Headers:Pin_Header_Straight_1x07_Pitch2.54mm | J5 |
| 1 | ULN2003A | Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm | U5 |
| 1 | VSPI | Pin_Headers:Pin_Header_Straight_2x04_Pitch2.54mm | J4 |
The 84 most common of 85 parts.
Questions
How big is the Irrigation ctrl main board PCB?
It measures 120 × 72.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Irrigation ctrl main board use?
85 parts, built around the ESP32-WROOM-32, MAX3222IPW, TPS54560DDA and ULN2003A. 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 Irrigation ctrl main board KiCad files?
From the mwick83/irrigation_ctrl_hw repository on GitHub, at the commit this page was made from: the board is main_board/irrigation_ctrl_main_board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Irrigation ctrl main board design in my own project?
Its repository publishes it under the BSD-3-Clause licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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