A very low-cost people counter built on a small vision module that counts entries, exits and room occupancy on the device itself. No industrial PC or cloud video is needed, and video does not leave the site. It suits shops and kiosks, showrooms and exhibition stands, meeting rooms and corridors.
RetailHomes and buildings

Results reported by the design's authors on their own test setups. Yours depend on the site, so we confirm them in a pilot.
The problem
Shops, booths and meeting rooms want footfall and occupancy counts without an industrial PC or cloud video.
The flow
Deployment architecture
The devices on site, what carries their data, where the decision is made and where the result goes.
01SenseOn site
Grove Vision AI Module V21 per counting point02ConnectCarries the data
03DecideRuns the model
XIAO ESP32-S31 per module, optional04Your systemsWhere results land
05ActWhat happens next
How it works
The hardware
Items we stock can go straight in the bag. Everything else we source and quote with the installation.
Grove Vision AI Module V2Runs detection, tracking and counting
XIAO ESP32-S3Optional Wi-Fi and MQTT add-on for PC-free useBefore you install
Good to know
How we deliver it
Questions
No. With the XIAO ESP32-S3 add-on the module sends counts over Wi-Fi and MQTT on its own.
No. Counting happens on the module and only numbers leave it.
The page reports 92.6% mAP on an indoor test set but no figures for crowded doors, so we suggest a short trial at your site.
Tell us the site and the problem. We come back with a pilot plan and a priced hardware list.
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Based on a design published by Seeed Studio, written up by us. Symbiotes Supply is an independent reseller; product names belong to their makers.