Multi-adapter card for building a UART-USB converter board for the Raspberry Pi • Epoxy fibre-glass FR4, 1.50 mm • Single-sided 35 µm Cu • Plated-through (PTH) • Hot dip tin-plated (HAL lead-free) • With solder resist • 40-pin connector for a Raspberry Pi • 21 x 32 holes Ø 1.00 mm • Experimental field with 2.54-mm spacing with 13 x 28 solder pads Ø 2.20 mm • Two potential paths • Four pin holes Ø 2.75 mm • For direct connection and control of the Raspberry Pi via PC • Dimensions: 85 x 56 mm https://elecena.pl/product/18504575/re3031-dspt-raspberry-pi-shield-multi-adapter-uart-usb-converter 2021-05-18 https://elecena.pl/product/18504575/re3031-dspt-raspberry-pi-shield-multi-adapter-uart-usb-converter 2024-06-21