Sensor stick
About the Sensor stick PCB
Sensor stick is an open source PCB design by AirMQ, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 28 × 6.6 mm, with 11 components from 10 distinct parts.
Other key parts include the SHT30-DIS, Si7021-A20, SHT4x, SHTC3 and BME280. By type, the board carries 7 ICs, 2 resistors, 1 connector and 1 capacitor.
It belongs with the sensors designs in this gallery.
From the project
Root repository for AirMQ hardware project
AirMQ toolkit consists of main MCU and several sensor boards designed with common form factor in mind. Currently, particulate matter, radiation and electrochemical sensor boards are available.
MCU board includes advanced power circuitry which makes possible the use of reduced consumption modes while powering from batteries or solar panels. All ESP8266’s gpio pins are accessible with a separate 16-pin connector sharing pin numbering with most popular development boards.
Main components on the Sensor stick
Sensor stick bill of materials (BOM)
11 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SHT30-DIS | Sensirion_DFN-8-1EP_2.5x2.5mm_P0.5mm_EP1.1x1.7mm | U1 |
| 1 | Si7021-A20 | DFN-6-1EP_3x3mm_P1mm_EP1.5x2.4mm | U2 |
| 1 | SHT4x | Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad | U3 |
| 1 | SHTC3 | Sensirion_DFN-4-1EP_2x2mm_P1mm_EP0.7x1.6mm | U4 |
| 1 | BME280 | Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering | U5 |
| 1 | SGP4x | SGP4x | U6 |
| 1 | BMP580 | BMP580 | U8 |
| 1 | Conn_01x04 | 4Pads | J1 |
| 1 | 1 uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1 |
| 2 | 4.7K | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
Sensor stick design files
The KiCad project lives in the AirMQ/AirMQ-sensor repository on GitHub; these links point at the commit this page was built from.
Sensor stick: common questions
How big is the Sensor stick PCB?
The Sensor stick measures 28 × 6.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Sensor stick?
11 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sensor stick design files?
From the AirMQ/AirMQ-sensor repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Sensor stick design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which AirMQ chose for the repository.
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