Let's connect IKEA Air Quality Sensor to #LoRaWAN and #TheThingsNetwork ... With Apache #NuttX OS and PineDio Stack #BL604!

https://github.com/lupyuen/ikea-air-quality-sensor

IKEA Air Quality Sensor exposes a UART Port ... Let's sniff it with Bus Pirate

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-bus-pirate

Here's how we soldered the UART Port on IKEA Air Quality Sensor

https://qoto.org/@lupyuen/107738632674328326

IKEA Air Quality Sensor sends something on its UART Port ... Let's capture the binary data with Bus Pirate

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-bus-pirate

Here's the datasheet for PM1006 LED Particle Sensor inside the IKEA Air Quality Sensor ... Let's use this to decode the UART data

https://github.com/arendst/Tasmota/files/7083662/PM1006_LED_PARTICLE_SENSOR_MODULE_SPECIFICATIONS.pdf

Here's how we decode the UART Output from IKEA Air Quality Sensor ... Based on the PM1006 LED Particle Sensor Datasheet

https://github.com/lupyuen/ikea-air-quality-sensor#decode-sensor-data

Now we connect IKEA Air Quality Sensor to #PineDio Stack #BL604 @PINE64 ... So we can transmit PM 2.5 readings over LoRaWAN to The Things Network!

https://github.com/lupyuen/ikea-air-quality-sensor#connect-to-pinedio-stack-bl604

Configure Apache #NuttX OS to enable UART1 for 9600 bps ... So NuttX can talk to IKEA Air Quality Sensor

https://github.com/lupyuen/ikea-air-quality-sensor#configure-apache-nuttx-os

Testing IKEA Air Quality Sensor gets messy ... 2 USB Ports needed! 🙄

https://github.com/lupyuen/ikea-air-quality-sensor#connect-to-pinedio-stack-bl604

Apache #NuttX OS shows the UART Data from IKEA Air Quality Sensor! Let's dump the data in hex

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-apache-nuttx-os

#NuttX OS has a GPS Demo App that reads from UART ... Let's tweak it to dump the UART Data from IKEA Air Quality Sensor

https://github.com/lupyuen/incubator-nuttx-apps/blob/master/examples/gps/gps_main.c

#NuttX OS dumps the Sensor Data from IKEA Air Quality Sensor ... Yep looks correct! 🎉

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-apache-nuttx-os

#NuttX OS shows Sensor Data received from IKEA Air Quality Sensor ... With PM 2.5 encoded inside!

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-apache-nuttx-os

ESPHome has a module that parses the data from IKEA Air Quality Sensor ... Let's port it to Apache #NuttX OS

https://github.com/esphome/esphome/blob/dev/esphome/components/pm1006/pm1006.cpp#L57-L96

Here's how our #NuttX App handles Sensor Data from IKEA Air Quality Sensor

https://github.com/lupyuen/ikea_air_quality_sensor/blob/main/ikea_air_quality_sensor_main.c#L46-L77

Our #NuttX App validates the Sensor Data received from IKEA Air Quality Sensor ... By matching the header and verifying the checksum

https://github.com/lupyuen/ikea_air_quality_sensor/blob/main/ikea_air_quality_sensor_main.c#L79-L102

Here's how our #NuttX App extracts the PM 2.5 reading from IKEA Air Quality Sensor

https://github.com/lupyuen/ikea_air_quality_sensor/blob/main/ikea_air_quality_sensor_main.c#L104-L114

PM 2.5 readings from IKEA Air Quality Sensor ... Decoded OK by our #NuttX App! 🎉

https://github.com/lupyuen/ikea_air_quality_sensor#output-log

Our #NuttX App is ready to transmit the PM 2.5 readings .. From IKEA Air Quality Sensor to The Things Network over LoRaWAN! 🎉

https://github.com/lupyuen/ikea_air_quality_sensor#output-log

Connecting IKEA VINDRIKTNING Air Quality Sensor to Apache #NuttX OS ... All shall be explained in this article

https://lupyuen.github.io/articles/ikea?1

What's inside the IKEA Air Quality Sensor

https://lupyuen.github.io/articles/ikea?2#about-ikea-air-quality-sensor

Exposing the UART Port on IKEA Air Quality Sensor ... With a little soldering

https://lupyuen.github.io/articles/ikea?3#solder-uart-port

Here's how we connect IKEA Air Quality Sensor to #PineDio Stack BL604 @PINE64

https://lupyuen.github.io/articles/ikea?4#connect-to-pinedio-stack-bl604

Decoding the PM 2.5 Sensor Data transmitted by IKEA Air Quality Sensor

https://lupyuen.github.io/articles/ikea?5#nuttx-app

UART Port on IKEA Air Quality Sensor runs on 5V, not 3.3V 🤔

https://lupyuen.github.io/articles/ikea?6#notes

Some folks are using the 5V UART Port on IKEA Air Quality Sensor ... Without a Voltage Divider 🤔

https://lupyuen.github.io/articles/ikea?7#notes

Here's how I soldered the UART Port on IKEA Air Quality Sensor

https://lupyuen.github.io/articles/ikea?8#appendix-solder-uart-port-on-ikea-vindriktning-air-quality-sensor

How our #NuttX App handles the PM 2.5 data from IKEA Air Quality Sensor

https://lupyuen.github.io/articles/ikea?9#main-loop

IKEA Air Quality Sensor transmits PM 2.5 data in frames of 20 bytes ... Here's how we validate the data

https://lupyuen.github.io/articles/ikea?10#validate-sensor-data

Extracting the PM 2.5 values from IKEA Air Quality Sensor

https://lupyuen.github.io/articles/ikea?11#process-sensor-data

How we build, flash and run Apache #NuttX OS on #BL602 and #ESP32

https://lupyuen.github.io/articles/ikea?12#appendix-build-flash-and-run-nuttx

Our #NuttX App shows the PM 2.5 data from IKEA Air Quality Sensor! 🎉

https://lupyuen.github.io/articles/ikea?15#run-nuttx-app

Bus Pirate sniffing the UART output from IKEA Air Quality Sensor

https://lupyuen.github.io/articles/ikea?16#appendix-test-with-bus-pirate

What's Next for IKEA Air Quality Sensor on Apache #NuttX OS ... LoRaWAN, The Things Network, Prometheus and Grafana!

https://lupyuen.github.io/articles/ikea?17#whats-next

Here's how we connect the IKEA VINDRIKTNING Air Quality Sensor to #RISCV #BL604 ... And read the PM 2.5 data with Apache #NuttX OS

https://lupyuen.github.io/articles/ikea

Voltage Divider for 5V UART Port on IKEA Air Quality Sensor ... This looks safer for our 3.3V board 🤔

https://lupyuen.github.io/articles/ikea?88#notes

Yep it still works after connecting the Voltage Divider 👍

https://lupyuen.github.io/articles/ikea?89#notes