Hardware · Product
Lemon Box.
A desk device with a 4-inch touchscreen, designed and built for Lemon, the Argentine fintech, as a redeemable object in its rewards program. It shows the live crypto market, with our own firmware and cloud.
Lemon wanted a physical, branded object for its rewards program: something users could redeem and keep on their desk.
A physical product means solving hardware, firmware, enclosure, connectivity and content at once, and the end user has to set it up alone, with no technical support.
We picked a 480×480 MaTouch ESP32-S3 touchscreen, wrote the firmware and built a cloud that renders the web interface and streams it to the device frame by frame.
C++ firmware with Wi-Fi provisioning, WebSocket and JPEG decoding; a Node.js server with Puppeteer that captures the interface when it changes and sends the device's touch events back to the browser.
Product delivered to Lemon with its branding, ready to redeem. The same hardware base is what Ferced Display runs on today.
Delivered. The project covered product design, firmware, cloud and the printed enclosure.
Branding, deciding what the screen shows and validating the end-user experience.
Medium: hardware, firmware and cloud had to close at the same time, and every iteration was tested on the real device.