Contact person: Android App Developer (ESP32 Wireless UI for a Service Robot)

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Location: Ho Chi Minh City, Vietnam

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We need an experienced Android developer to build a tablet app that acts as a wireless UI for our service robot’s ESP32 mainboard.

First task includes:

Connectivity: Scan robot QR code via tablet camera, connect over Wi-Fi, display verified ID with green status.

Setup Page: Read/write variables stored on ESP32, easily expandable for more parameters.

Position Management: Three JOG “pulse wheels” (0.25 mm, 1 mm, 10 mm) with lock switches (OFF by default/reset on exit), plus buttons to move forward/back to home-points.

Requirements:
Proven Android app experience (Java/Kotlin).
ESP32 communication over Wi-Fi (TCP/WebSocket/REST).
Custom control UI experience.
QR code scanning in Android." (client-provided description)