Second iteration. First version worked fine but decided I needed a factory reset switch and LED's moving to end of PCB.
Designed to fit exactly in "VG-AL53" aluminium enclosure (google it) these are about $7 on aliexpress.
Works with Microchip TCP Lite stack. Firmware is very close but not yet complete.
I have attached the MPLABX XC8 project in a semi-working state below. Basically it is...
## ETHERNET INTERFACE BRICK AND SHIELD ##
Your Ethernet Shield gets a total renewal now! This shield provides you instant Internet connectivity with a high spec Ethernet controller, W5200, with twice the buffer size of v1.0 and support for up to eight simultaneous TCP/UDP connections. An included SD slot enables applications that require storing large amounts of data, like IoT data logging. Thank...
This is an automatic Cat6 / Cat5 network cable tester designed using NE555 timer and 4017 decade counters. This unit test all 8 wire lines of twisted pair network cable and indicate pass/fail status with single LED.
We design this unit to test network connectivity issues in Cat6 / Cat5 cable systems and it is capable to check both crossover and straight-through type network cables.