The Datacake People Counter is a device for counting passenger flows in real time. It counts how many mobile devices are present, which in turn gives an estimate of how many people are in the area around.
This is done without invading privacy: you don't need to observe people's devices if you just want to count them. Therefore, the device does not store MAC addresses persistently and does not take fingerprints from the scanned devices.
The Datacake people counter is based on a Pycom LoPy4 module, which has a LoRaWAN modem and an ESP32.
Using the WiFi and Bluetooth module of ESP32, the environment is monitored and evaluated for corresponding radio signals from nearby smartphones. The device's firmware identifies smartphones by their MAC addresses and can also distinguish them from other WiFi devices.
To ensure compliance with data protection regulations, the MAC address is anonymized on the meter and replaced by randomly generated numbers. A measurement always takes place within a freely configurable time window.
Finally, the number of detected devices is transferred to a central gateway via the LoRaWAN interface. WiFi and Bluetooth devices are counted independently and transmitted separately.
Depending on the laws of your country, it may be illegal to sniff for MAC addresses on wireless networks. Please check and respect the laws of your country before using the device.
A restriction of the RSSI can be set via downlink. Thus, detected devices with a lower RSSI can be excluded from the count. This is helpful if the count is to take place only at a short distance.
The delivery of the people counter includes a license for the use of the platform, which includes the following functions:
Data storage of the measured values for a period of time over the last 7 days
Display of measured values on dashboard
Convenient configuration of the device via downlink
The housing of the people counter is an IP67 certified housing from the manufacturer Pycom. Thus the people counter is also prepared for outdoor use.
In addition, the housing offers a simple possibility for wall mounting via two screw holes.
The people counter has a standardized LoRaWAN module with Semtech SX1276 LoRa module and is therefore compatible with common LoRaWAN gateways and network servers
The device is delivered with a set of IDs (and keys).
If the device is purchased with Datacake LTE Gateway, the meter can be used directly. All that is required is that the gateway and sensor are set up and connected to the power. No further configuration or programming is required. After entering the IDs on the platform, the meter data is immediately available.
Dashboard In the scope of delivery you will receive a dashboard to the counter, which you can adapt to your own needs. You can also create global dashboards with the help of the editor.
A globally created dashboard can be shared with others via a link.
Send alerts by e-mail or SMS as soon as a threshold value is reached.
Free sending of e-mails
SMS can be purchased as a package with costs
Free choice of recipients (for e-mail and SMS)
rules Thanks to extended functions, time ranges for the limit values can be established, e.g. if a limit value is exceeded within one hour, etc.
The Rule Engine allows sending Webhook to third party software tools or messenger services
Send Webhooks to call APIs or Messenger Services
Create Custom Headers and Payload Structures
A rule can trigger sending Downlinks to other LoRaWAN (or any other) Device on Datacake.
You find more information and detailed documentation of the rule-engine here:
Invite people to collaborate and share devices and measurement data on the Datacake platform.
Create an unlimited number of Workspaces for clients or projects and invite individual members into these Spaces by providing an E-Mail which will automatically generate and send an invitation.
Set Rights and Roles for each member individually and according to what the people are allowed to do.
With the white label package of the Datacake platform, you bind your own domain to the portal and exchange the Datacake logo for your own. Learn more about it here:
Pycom LoPy4 based
ESP32 as the main CPU and Bluetooth + WiFi Module
90x90x40mm (excluding Antennas)
SMA Adapter for external LoRaWAN and WiFi Antenna
WiFi-Antenna: approx. 120mm length
LoRa-Antenna: approx. 200mm length
USB-A Power Supply via directly attached cable
Power Consumption: 100 to 200 mA
Fully LoRaWAN compatible
Semtech SX1276 LoRaWAN Transceiver
Europe (868 MHz) and USA (915 MHz)
Range > 100 meters in buildings or several kilometers outside
Supports several Downlinks for Sensor Configuration
Transmits WiFi and Bluetooth Count over LoRaWAN
Works with any LoRaWAN Network