Assembly instructions

Ethernet breakout board "fix"

In order to properly boot the ESP32 you need to "fix" the breakout board - add a wire between spare pin on the header and 50MHz oscillator EN pin.

There are also versions of the Ethernet breakout board with the oscillator on the top. Following image shows where the jumper wire should be added in this case.

Warning: There is a version of the breakout board with the top-side oscillator that does not fit into the intended footprint. Make sure the version you are buying has the "LAN8720 Eth Board" marking above the RJ45 socket. The compatible version dimensions are 27x56(mm)

Solder components

Everything except terminals!, component layout will help you out

Solder jumpers

Test

• first program your ESP or flash empty sketch via USB not plugged to the main board
• now it's time to test the whole board
• test again, if you skip this step and you follow on, and the error appears later, you will have to break the plastic case in order to fix it

Make a hole for RJ45

Outline the ethernet socket and drill/file the hole

Short the screw lid

Substract the height of the terminal by ~8mm. You can also buy version without sides (ZD3TCS ABS V0) bu you will ended up with the space above terminals

File/Cut the terminals place in plastic case

You will find that fitting the terminals into the plastic case is hard, adjust this area a little

Solder terminals

But first insert the PCB to the top part of the case, make sure ESP is unplugged

Completion

• close the case with bottom part and screw down the PCB.
• plug in the ESP (tricky part, but it's possible)

Status LED (optional)

• drill 6mm (depends on the bezel clip holder) hole
• solder wires to the LED
• crimp 2P header socket

Done