https://github.com/vanvught/h3dmx512-zip/tree/master/eagle/Orange-Pi-Zero/LTC/P2 The Orange Pi Zero board has connectors for :
Schematic   BOM Qty Value Package Parts Description 2 100K 0204/5 R2, R3 RESISTOR 1 100n C050-024X044 C1 CAPACITOR 1 1K 0204/5 R1 RESISTOR 1 220 0204/5 R4 RESISTOR 2 330 0204V R5, R6 RESISTOR 1 3MM LED3MM LED1 LED 1 3V3 ZDIO-2.5 D1 Zener Diode 1 7SEGMENT 1X04 SV4 PIN HEADER 1 FC68131 FC68131-5P JACK 1 L/R 1X03 JP1 PIN HEADER 1 LED 1X02 SV6 PIN HEADER 1 MATRIX 1X05 SV5 PIN HEADER 1 MCP6002 DIP08 IC1 1 MHz, Low-Power Op Amp 1 MIDI 1X04 SV7 PIN HEADER 1 OLED 1X04 SV3 PIN HEADER 1 OPI_GPIO FE13-2 SV1 FEMALE HEADER 1 OPI_not_used FE13 SV2 FEMALE HEADER |