2 layers70.1 × 43.2 mm
Iaq device
nkitanov/iaq_board
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Sensorbrd
dileepvr/sensorbrdKiCAD PCB design files for an external sensor board for the payload on a nearspace weather balloon.
- Size
- 42.4 × 32 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 20
- Pads
- 109
- Tracks, vias
- 328, 36
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 17 Oct 2016
- Updated
- 12 Mar 2017
Overview
Sensorbrd is an open-source printed circuit board by dileepvr, from the dileepvr/sensorbrd repository on GitHub. It is a 2-layer board of 42.4 × 32 mm with 20 parts on 20 nets, routed with 328 tracks and 36 vias.
It is built around the ATMEGA32U4-AU, BME280 and TSL2561T. Its parts include 6 resistors, 5 connectors, 3 capacitors, 3 switches and 1 IC. It belongs with the sensors and measurement boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA32U4-AU
QFP-44(10x10)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH QFP-44(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
BME280
LGA-8(2.5x2.5)-40℃~+85℃ 0%RH~100%RH 1.71V~3.6V 1.8uA 16bit I2C、SPI ±0.5℃ ±3%RH LGA-8(2.5x2.5) Temperature and Humidity Sensor ROHSBoschTemperature And Humidity Sensor
TSL2561T
TMB-6-30℃~70℃ 1.35mm 16bit 2.6mm 2.7V~3.6V 3.2uA 3.8mm I2C Light Intensity Low power/sleep mode、Spectral correction/filtering、Adjustable gain control、Interrupt/event trigger TMB-6 Ambient Light Sensors ROHSAdvanced Monolithic SystemsAmbient Light Sensors
README
README.mdThese are kicad schematics and design files for PCBs used in the EMS weather-balloon external sensor board project. These design files are being released (as of this writing on the 30th of April, 2016) under the CERN Open Hardware License v1.2 (see file LICENSE.txt for text of the license). All future versions of the CERN Open Hardware License automatically apply.
For more information about the Nearspace balloon project, visit: https://eugenemakerspace.com/wiki/Sites/NearSpaceBalloon
The PCB uses an ATMEGA32u4 microcontroller to gather information from various sensor modules, including a weather monitoring chip, and several photodiodes with varying wavelength-range sensitivities that together approximate a poor man's low-resolution spectrometer. The PCB footprints for most modules are designed to match breakout boards available from Adafruit Industries (see BOM file for details).
- Dileep V. Reddy
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 10K | SM1206 | R1, R3, R6 |
| 2 | 22pF | SM1206 | C1, C2 |
| 2 | 4.7K | SM1206 | R2, R4 |
| 1 | 1K | SM1206 | R5 |
| 1 | 1uF | SM1206 | C3 |
| 1 | ALS_PT19 | PIN_ARRAY_3X1 | K2 |
| 1 | ATMEGA32U4-AU | TQFP44 | U1 |
| 1 | AVR-ISP-6-DR | AVR_6_SMD | CON1 |
| 1 | BME280 | PIN_ARRAY-7X1 | P2 |
| 1 | LOGO | LOGO | G*** |
| 1 | MCU_RST | TACT_SW | SW1 |
| 1 | SOLAR_PV | PIN_ARRAY_2X1 | P1 |
| 1 | TSL2561 | PIN_ARRAY-7X1 | P3 |
| 1 | USB-MINI-B | USB_MINI_B | CON2 |
| 1 | UV_SEN | PIN_ARRAY_3X1 | K1 |
| 1 | XTAL 16MHz | XTAL_6mmx3.5mm | X1 |
Questions
How big is the Sensorbrd PCB?
It measures 42.4 × 32 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sensorbrd use?
20 parts, built around the ATMEGA32U4-AU, BME280 and TSL2561T. 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 Sensorbrd KiCad files?
From the dileepvr/sensorbrd repository on GitHub, at the commit this page was made from: the board is sensorbrd.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sensorbrd design in my own project?
Its repository states no licence, so its author keeps all rights: ask dileepvr before reusing the design.
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