2 layers9.5 × 22 mm
2 layers90.5 × 100 mm
OsmoIRSensor5x5cm
marelab/OsmoIRSensor1IR Water & Fluid detection Sensor based on ATTINY45
- Size
- 90.5 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 336
- Nets
- 11
- Pads
- 980
- Tracks, vias
- 2,744, 308
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 14 Mar 2017
- Updated
- 28 Mar 2017
Overview
OsmoIRSensor5x5cm is an open-source printed circuit board by marelab, from the marelab/OsmoIRSensor repository on GitHub. It is a 2-layer board of 90.5 × 100 mm with 336 parts on 11 nets, routed with 2,744 tracks and 308 vias.
It is built around the TSOP75436WTR. Its parts include 112 resistors, 56 ICs, 56 diodes, 28 capacitors and 28 connectors. It belongs with the sensors and measurement boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdOsmoIRSensor IR Water & Fluid detection Sensor based on ATTINY45.
- KiCad Shematic & PCB included under hardware
- Firmware for ATTINY45 included under software
The Sensor was designed for Osmosi waterlevel control. It is designed to be full encapsulated in a EPOXY case. The hole design an maufacturing process as well as the technical backgrounds for the IR detection is described under https://www.marelab.org
Parts
336| Qty | Value | Footprint | References |
|---|---|---|---|
| 28 | 10K | Resistors_SMD:R_0805 | R4, R4, R4, R4, R4, R4, R4, R4, R4, R4, R4, R4, R4, R4, R4, R4 +12 |
| 28 | 20MHz | marelab:RESONATOR | X1, X1, X1, X1, X1, X1, X1, X1, X1, X1, X1, X1, X1, X1, X1, X1 +12 |
| 28 | 220R | Resistors_SMD:R_0805 | R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1 +12 |
| 28 | 22nF | Resistors_SMD:R_0805 | C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1 +12 |
| 28 | 422R | Resistors_SMD:R_0805 | R3, R3, R3, R3, R3, R3, R3, R3, R3, R3, R3, R3, R3, R3, R3, R3 +12 |
| 28 | 4K7 | Resistors_SMD:R_0805 | R2, R2, R2, R2, R2, R2, R2, R2, R2, R2, R2, R2, R2, R2, R2, R2 +12 |
| 28 | ATTINY45-S | marelab:SOIC-8 | U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1 +12 |
| 28 | CONN_02X03_PCB_DIRECT | marelab:CON3x2PCB | J2, J2, J2, J2, J2, J2, J2, J2, J2, J2, J2, J2, J2, J2, J2, J2 +12 |
| 28 | LED IR | LEDs:LED_PLCC-2 | D2, D2, D2, D2, D2, D2, D2, D2, D2, D2, D2, D2, D2, D2, D2, D2 +12 |
| 28 | LED PWR | LEDs:LED_0805 | D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1 +12 |
| 28 | LOGO | marelab:LOGO_OPENSOURCE | G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G*** +12 |
| 28 | TSOP75436WTR | marelab:SMD-IR | U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2 +12 |
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Questions
How big is the OsmoIRSensor5x5cm PCB?
It measures 90.5 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OsmoIRSensor5x5cm use?
336 parts, built around the TSOP75436WTR. 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 OsmoIRSensor5x5cm KiCad files?
From the marelab/OsmoIRSensor repository on GitHub, at the commit this page was made from: the board is hardware/OsmoIRSensor5x5cm.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the OsmoIRSensor5x5cm design in my own project?
Its repository states no licence, so its author keeps all rights: ask marelab before reusing the design.