KKM S5-BCN
Reference for the KKM S5-BCN Smart Beacon
Overview
The S5-BCN smart beacon is a Blecon device made by KKM and distributed by Blecon. The S5-BCN comes ready to connect to your Blecon network. The S5-BCN contains an accelerometer, temperature, and humidity sensors and is enclosed in an IP67-rated and suitable for use in wet/humid environments.
The pre-installed firmware is fully open-source and includes built-in support for Memfault OTA update. This means you can easily make modifications and customizations to the pre-installed firmware and deploy them without having to physically flash the hardware.
Hardware
System Processor
Nordic nRF52833
Dimensions
Φ38 x 12mm
Weight
24g
External SPI Flash
512KB
IP Rating
IP67
Temperature and Humidity Sensor
Sensirion SHT40
Motion Sensing
ST LIS3DH
LED
1x Red (inside enclosure)
Input
1x Tactile Switch (inside enclosure)
Battery
CR2477 Lithium Coin Cell, 1000mAH capacity
Pre-installed Firmware
The S5-BCN comes pre-flashed with the Sensor Logger example application and is ready to connect to your Blecon Network.
Some versions of S5-BCN may run an older version of the Sensor Logger firmware and will report data using the kkm_s5_bcn namespace
Memfault Setup and OTA
To connect S5-BCN devices with Memfault, follow the instructions from our OTA getting started guide.
When building new versions of the firmware for OTA, the firmware needs to be configured with and uploaded to Memfault with the following scheme:
Software type
main
Hardware version
kkm_s5_bcn
Software version
major.minor.patch with optional pre-release and metadata suffixes.
Example:
3.3.2+sensor-memfault-metrics
Alternative firmware variants
The Blecon firmware repository contains alternative firmware variants for the S5-BCN. These can be built and directly flashed onto the hardware or deployed using OTA.
The sensor-memfaultvariant of the firmware exercises more of Memfault's metric capturing and crash reporting features. For instance this variant allows a flag to be set to cause the firmware to crash.
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