4 layers198.1 × 130.8 mm
2 layers91.6 × 57.8 mm
Solar Powered Irrigation System
jsitech4/Projects- Size
- 91.6 × 57.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 75
- Nets
- 63
- Pads
- 255
- Tracks, vias
- 456, 187
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 6 Oct 2025
- Updated
- 4 Nov 2026
Overview
Solar Powered Irrigation System is an open-source printed circuit board by jsitech4, from the jsitech4/Projects repository on GitHub. It is a 2-layer board of 91.6 × 57.8 mm with 75 parts on 63 nets, routed with 456 tracks and 187 vias.
It is built around the CH340C, ESP32-WROOM-32 and AM2301A, with the AMS1117-3.3, IRLML6344 and UMH3N among its other parts. Its parts include 22 capacitors, 15 resistors, 8 diodes, 8 connectors and 5 ICs. It belongs with the power boards and the ESP32 boards of this library.
Main components
6
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-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 ModulesAM2301A
--40℃~+80℃ 0%RH~99.9%RH 1-Wire Bus 3%RH 3.3V~5.5V 600uA Factory calibration ±0.5℃ - Temperature and Humidity Sensor ROHSAosong ElecUncategorised
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) Regulators
IRLML6344
SOT-23-55℃~+150℃ 1 N-channel 1.1V 1.3W 29mΩ@4.5V 30V 46pF 5A 6.8nC@4.5V 650pF SOT-23 MOSFETs ROHSGuangdong HottechMOSFETs
UMH3N
SOT-363-55℃~+150℃ 0.5uA 100 100mA 150mW 2 NPN (Pre-Biased) 250MHz 300mV 50V 5V 6.11kΩ NPN SOT-363 Digital Transistors ROHSJiangsu Changjing Electronics Technology (CJ)Digital Transistors
Parts
75| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6, C10, C11, C17, C18, C21, C22 |
| 9 | 10k | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4, R5, R9, R11, R14, R15 |
| 4 | MountingHole_2.5mm_Pad | MountingHole:MountingHole_2.5mm_Pad | M2, M2, M2, M2 |
| 3 | 330R | Resistor_SMD:R_0805_2012Metric | R10, R12, R13 |
| 2 | 1N5819 | Diode_SMD:D_SMA | D2, D4 |
| 2 | 1N5824 | Diode_SMD:D_SMA | D7, D8 |
| 2 | 220uF_16V | Capacitor_SMD:CP_Elec_6.3x7.7 | C19, C20 |
| 2 | 22pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15, C16 |
| 2 | 33uH | Inductor_SMD:L_12x12mm_H6mm | L1, L2 |
| 2 | 4.7uF/16V | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_HandSolder | C7, C12 |
| 2 | 680uF_35V | Capacitor_SMD:CP_Elec_10x12.5 | C13, C14 |
| 2 | IRLML6344 | Package_TO_SOT_SMD:SOT-23_Handsoldering | Q1, Q2 |
| 2 | LM2596S-3.3V | Package_TO_SOT_SMD:TO-263-5_TabPin6 | U3, U4 |
| 2 | Red | LED_THT:LED_D3.0mm | D3, D5 |
| 1 | 10uF_16V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C8 |
| 1 | 12MHz | Crystal:Crystal_HC49-4H_Vertical | Y1 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 20k | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 2k | Resistor_SMD:R_0805_2012Metric | R8 |
| 1 | 3.3V | Diode_SMD:D_SOD-123 | D1 |
| 1 | 470nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9 |
| 1 | AM2301A | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | BSEN | TestPoint:TestPoint_Keystone_5015_Micro_Mini | J15 |
| 1 | Buzzer | Buzzer_Beeper:Buzzer_15x7.5RM7.6 | BZ1 |
| 1 | CH340C | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U5 |
| 1 | ESP32-WROOM | RF_Module:ESP32-WROOM-32U | U2 |
| 1 | FLASH | Button_Switch_SMD:SW_SPST_CK_KXT3 | SW3 |
| 1 | Green | LED_THT:LED_D3.0mm | D6 |
| 1 | INPUT | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-3.5-H_1x02_P3.50mm_Horizontal | J11 |
| 1 | LOGO | logo:CULogo | G*** |
| 1 | OLED SCREEN | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J4 |
| 1 | PC817XI | Package_DIP:DIP-4_W7.62mm_SMDSocket_SmallPads | OC1 |
| 1 | PUMP | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-4-3.5-H_1x04_P3.50mm_Horizontal | J1 |
| 1 | RESET | Button_Switch_SMD:SW_SPST_CK_KXT3 | SW2 |
| 1 | RotaryEncoder | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | SW1 |
| 1 | SOIL SENSOR | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | UMH3N | Package_TO_SOT_SMD:SOT-363_SC-70-6 | Q3 |
| 1 | USB_C Conn | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J7 |
| 1 | Ultra Sonic | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J5 |
| 1 | ~ | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1 |
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Questions
How big is the Solar Powered Irrigation System PCB?
It measures 91.6 × 57.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Solar Powered Irrigation System use?
75 parts, built around the CH340C, ESP32-WROOM-32, AM2301A 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 Solar Powered Irrigation System KiCad files?
From the jsitech4/Projects repository on GitHub, at the commit this page was made from: the board is ESP32/Solar_Powered_Irrigation_System/hardware/Solar_Powered_Irrigation_System.kicad_pcb and its schematic ESP32/Dual_Axis_Solar_Tracker/hardware/Dual_Axis_Solar_Tracker.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Solar Powered Irrigation System design in my own project?
Its repository states no licence, so its author keeps all rights: ask jsitech4 before reusing the design.