Is it possible to use a W5100 shield on a Mega2560 that has a prototype shield on top? I am not sure, because the ICSP headers are moved in a corner of the proto shield.
Biulding my 1st PCB for an arduino nano + mysensors... anyone ?
OLED Scene controller
SSR 3-way relay suggestion
Raspberry gateway: small range
my first nrf5 ... NRF51/NRF52 which is better for MySensors ?
nRF5 Multi Sensor Board (12-14€)