circuit diagram for data receiver and transmitter

I am looking for a skilled electrical engineer to design a circuit diagram for a data receiver and transmitter for industrial automation purposes. The circuit should be able to transmit short-range data, specifically bar code scanner data.

Skills and Experience:
- Strong knowledge and experience in designing circuit diagrams for industrial automation projects
- Proficiency in wireless communication technologies
- Familiarity with short-range data transmission protocols
- Understanding of bar code scanner data transmission methods
- Attention to detail and ability to ensure reliable and accurate data transmission

Please provide examples of previous circuit design projects that demonstrate your expertise in these areas.