Develop firmware for a 4 channell programmable smart relay system.
processor : Pic18F27J53.
Capability: Hourly on off times uploaded into program data.
Use RTCC onboard to determine which 1 of 4 digital outputs should be on off based on current time.
Detailed protocol document will be included to winner.
Develop a USB protocol for the host PC with the following capabilities:
Accept uploads from host and store to program data to:
1 program on off times over 7 days for each of the 4 relays.
2 program the RTCC time from host system clock
3 upload RTCC time back to host
3 uplaod 7 day shedule for the 4 relays.
This is a firmware only project, phase 2 will involve USB host software.
Full documentation is expected, only bid if you can do this on time and on budjet and have the necessary skills.
9 pekerja bebas membida secara purata $313 untuk pekerjaan ini
Hi. I am a good engineer. I am working with USB devices based on pic everyday. Also I have developed a lot of software to interface with usb devices, wireless devices, automated laser etc. I can do this job.