➀ Arduino has announced a single-pair Ethernet adapter board for its Uno R4 single-board microcontroller; ➁ Microchip participated in the development, using its LAN8651B1T-E/LMX single pair Ethernet MAC-PHY; ➂ The board implements 10BASE-T1S and the power-over-data-line (PoDL) extension, targeting a range of innovators from DIY enthusiasts to industrial engineers.