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Build a small connected device with the AtomS3 Lite programmable controller. WiFi, USB programming and expansion connections fit into a body just 24 mm square.
✅ Fit a compact project - The small enclosure helps when space is limited in a prototype or IoT node.
✅ Program through USB-C - The download and serial connection supports firmware loading and debugging in compatible tools.
✅ Add external components - GPIO and GROVE-style interfaces provide connection options for matching sensors or peripherals.
✅ Show and control simple states - RGB indicators and a programmable button provide local output and input options.
A Small Controller with Useful Connections
The ESP32-S3FN8 platform supports compatible Arduino and UIFlow development. Use its interfaces to build a configured smart-device experiment rather than adding a separate controller for each basic function.
An M2 screw hole provides a fixing point in a suitable build. The integrated WiFi antenna, infrared emission function and 8 MB flash add resources for compatible embedded projects.












Technical details
- Controller: ESP32-S3FN8
- Flash: 8 MB SPI
- Size: 24 x 24 x 9.5 mm; weight: 5.3 g
- USB Type-C
- 6 GPIO headers; GROVE/HY2.0-4P interface
- RGB indicators, button and M2 mounting hole
Add a compact programmable controller to your next connected build.
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