--------- ask-m-001 --------- - hardware feature overview - * system soc allwinner h3 * virtual usb otg ethernet * virtual usb otg serial port (console) * wifi ap for configuration (disabled by default) * poe af/at operation, non-isolated (!) * red system led flashes on upgrade, at normal startup, it's off (during boot: on,low -> on,high -> off) * green status led heartbeats in 3s/on/3s/off pattern during normal system operation * dual bank firmware, upgrades will not affect normal system operation during their execution * signed upgrade images * local http output in json * remote access to data from http://id.ask-m.ee/ where id is unique, lowercase, 8 alphanumeric chars long value, that could be obtained from local http interface (under name cn) * ability to disable remote operations altogether for high security use cases, or could use customer provided proxy (same hw will do) this disables time sync, upgrades, remote access to data * serial console, user root, no password, local short help inside for quick start * console interface is usb micro-b type female socket * microsd card socket for recovery from faulty firmware, or local data logging --- power port, 10 pin, 2*5, male, boxed, keyed --- * empty plug for usb-only usage * loop plug p->s, or jumper(s), for poe input * cable->s plug for ext local power * usb port has ideal diode for anti-backflow * recommended to disable poe for local powered operation = boxed male header key - mirror view g gnd 5 sbc in 5v p poe out 5v x not connected = gpx5g g5xpg ----- gpx5g g5xpg = --- data port 40 pin 2*20, male, boxed, keyed --- todo: map expansion port pins to actual system gpio pins = boxed male header key - mirror view g gnd 5 5v 3 sbc out 3.3v low current u usb diff. pair data + / - t uart tx r uart rx e uart rts / cts c i2c clock d i2c data i spi f spdif v ir m mic in p / n a line audio out left / right == g5udtticea3mfirrcu5g g5ucrrivm3aedittdu5g -------------------- g5udttidea3mvirrcu5g g5ucrrifm3aecittdu5g ==