2 layers140.3 × 23.5 mm
2 layers137.2 × 27.3 mm
A Time Domain Reflectometry - based soil humidity sensor
- Size
- 137.2 × 27.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 9
- Pads
- 58
- Tracks, vias
- 113, 17
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 7 Feb 2013
- Updated
- 6 Oct 2014
Overview
Probe2 is an open-source printed circuit board by Miceuz, from the Miceuz/SoilMoistureSensor repository on GitHub. It is a 2-layer board of 137.2 × 27.3 mm with 22 parts on 9 nets, routed with 113 tracks and 17 vias.
It is built around the 74LVC1G125, 74LVC1G86W5 and LM1117-3.3. Its parts include 14 capacitors, 4 ICs, 2 resistors, 1 switch and 1 crystal. It belongs with the sensors and measurement boards of this library.
Main components
3
74LVC1G125
SOT-353SOT-353 Buffers, Drivers, Receivers, Transceivers ROHSWuxi I-core ElecBuffers, Drivers, Receivers, Transceivers
74LVC1G86W5
SOT-25-5-40℃~+125℃ 1 1.65V~5.5V 1.7V~2V 10uA 2 32mA 32mA 4ns@5V,50pF 700mV~800mV 74LVC Series XOR Gate SOT-25-5 Logic Gates ROHSDiodes IncorporatedLogic Gates
LM1117-3.3
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 3.3V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorised
README
README.mdSoilMoistureSensor
A Time Domain Reflectometry - based soil moisture sensor.
WORK IN PROGRESS
Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | C_0603 | c_0603 | C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12 |
| 3 | 10uF | c_0805 | C1, C13, C14 |
| 1 | 1k | m-pad-2.1-0603 | R2 |
| 1 | 74LVC1G125 | m-pad-2.1-SOT23-5 | U2 |
| 1 | 74LVC1G86W5 | m-pad-2.1-SOT23-5 | U1 |
| 1 | CONN_3 | pinhead-1-1X03 | K1 |
| 1 | LM1117 | SOT223 | U4 |
| 1 | MCP6L01UT | m-pad-2.1-SOT23-5 | U3 |
| 1 | OSCILLATORS-4 | m-pad-2.1-CB3_CB3LV | X1 |
| 1 | R_0603 | m-pad-2.1-0603 | R1 |
Questions
How big is the Probe2 PCB?
It measures 137.2 × 27.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Probe2 use?
22 parts, built around the 74LVC1G125, 74LVC1G86W5 and LM1117-3.3. 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 Probe2 KiCad files?
From the Miceuz/SoilMoistureSensor repository on GitHub, at the commit this page was made from: the board is Probe2.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Probe2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Miceuz before reusing the design.
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