2 layers
Display and comms
LeHack/SPSP
Particulate matter pollution monitoring system (:poland: System Pomiaru Stężenia Pyłu w powietrzu)
27 parts3
2 layers
Sensors
LeHack/SPSP3Particulate matter pollution monitoring system (:poland: System Pomiaru Stężenia Pyłu w powietrzu)
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 8
- Nets
- 16
- Pads
- 41
- Tracks, vias
- 134, 4
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 2 Mar 2019
- Updated
- 8 Dec 2022
Overview
Sensors is an open-source printed circuit board by LeHack, from the LeHack/SPSP repository on GitHub. It is a 2-layer board with 8 parts on 16 nets, routed with 134 tracks and 4 vias.
It is built around the DHT11. Its parts include 3 capacitors, 2 resistors, 2 connectors and 1 IC. It belongs with the sensors and measurement and radio and wireless boards and the FPGA and CPLD boards of this library.
Main components
1README
hardware/README.mdSPSP - Hardware
One of the goals of the project was to make it modular and easily fittable into a housing (in order to protect the electronics from weather elements).
Therefore I designed two easily detachable (via flat cable) PCBs:
-
sensors PCB - for all the sensors to be joined together (excluding the PM10 sensor, which is attached via a separate cable, due to the nature of PM10 measurements)
-
display and comms PCB - for the display (of own design), input switches and a communications module
Sensors
Display and comms
Parts
8| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 50nF | Capacitors_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C2, C3 |
| 2 | Conn_02x07_Odd_Even | Pin_Headers:Pin_Header_Straight_2x07_Pitch2.54mm | J2, J3 |
| 1 | 150 | Resistors_SMD:R_1206_HandSoldering | R1 |
| 1 | 220uF | Capacitors_THT:CP_Radial_Tantal_D6.0mm_P2.50mm | C1 |
| 1 | 5k | Resistors_SMD:R_1206_HandSoldering | R2 |
| 1 | DHT11 | footprints:DHT11 | U3 |
Questions
What parts does the Sensors use?
8 parts, built around the DHT11. 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 Sensors KiCad files?
From the LeHack/SPSP repository on GitHub, at the commit this page was made from: the board is hardware/sensors.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sensors design in my own project?
Its repository states no licence, so its author keeps all rights: ask LeHack before reusing the design.
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