2 layers25.4 × 25.4 mm
2 layers41 × 41 mm
Los creadores
alxsrdrg/Water-saving-module2This is the data gatherer for a bigger project that will collect ambient data to save water while watering plants.
- Size
- 41 × 41 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 11
- Pads
- 39
- Tracks, vias
- 84, 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 10 Mar 2026
- Updated
- 10 Mar 2026
Overview
Los creadores is an open-source printed circuit board by alxsrdrg, from the alxsrdrg/Water-saving-module repository on GitHub. It is a 2-layer board of 41 × 41 mm with 14 parts on 11 nets, routed with 84 tracks and 2 vias.
It is built around the ATTINY85-20PU, DS18B20 and L7805. Its parts include 5 resistors, 3 ICs, 3 connectors and 2 capacitors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATTINY85-20PU
PDIP-8-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 512Byte 512Byte 6 8 Bit 8KB AVR Built-in FLASH PDIP-8 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
DS18B20
TO-92-55℃~+125℃ 12bit 3V~5.5V 750ms Single-bus ±0.4℃ TO-92 Temperature Sensors ROHSUMWTemperature Sensors
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdWater-saving-module
This is the data gatherer for a bigger project that will collect ambient data to save water while watering plants. Hello, my name is Alexis. I am part of ACOIIN in Chile, and I designed this PCB to save water during the process of watering plants.
Most people don’t know how much water plants actually need to be watered efficiently, so I designed this small ATtiny85-based data gatherer to interface with other modules that will help water plants more efficiently—saving water, saving money, and helping the environment.
To use it you must upload the code to an ATtiny85 connect it to the pcb then upload the recivers code to an arduino with the reciver and watch the serial interface for the data this will be feeded into a algorthm tha will take the best moment for you to water the plants (WIP)
(BOM: https://docs.google.com/spreadsheets/d/1GQ0v_dI7ZX-GIWkH-TXZdrfXvmL1TNvHDqjCibz4H14/edit?usp=sharing)
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 4k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R4, R6 |
| 2 | C_Polarized | Capacitor_THT:CP_Radial_D4.0mm_P1.50mm | C1, C2 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R2 |
| 1 | 2k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R3 |
| 1 | 5516 | OptoDevice:R_LDR_5.0x4.1mm_P3mm_Vertical | R1 |
| 1 | ATtiny85-20P | Package_DIP:DIP-8_W7.62mm | U1 |
| 1 | Conn_01x02_Socket | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | J1 |
| 1 | DS18B20 | Package_TO_SOT_THT:TO-92_Inline | U3 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U2 |
| 1 | soil humidity | Connector_PinHeader_2.00mm:PinHeader_1x04_P2.00mm_Vertical | J4 |
| 1 | transmitter | Connector_PinHeader_2.00mm:PinHeader_1x03_P2.00mm_Vertical | J2 |
The 13 most common of 14 parts.
Questions
How big is the Los creadores PCB?
It measures 41 × 41 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Los creadores use?
14 parts, built around the ATTINY85-20PU, DS18B20 and L7805. 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 Los creadores KiCad files?
From the alxsrdrg/Water-saving-module repository on GitHub, at the commit this page was made from: the board is WSM/los_creadores.kicad_pcb and its schematic WSM/los_creadores.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Los creadores design in my own project?
Its repository states no licence, so its author keeps all rights: ask alxsrdrg before reusing the design.
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