An open-source, versatile breakout board for controlling ST-4 autoguider ports on telescope mounts. Connect the board to the drive motors with an ST-4 cable (RJ12) and use a 5V microcontroller (e.g.

A nibble is a 4 bit element, which can hold a value 0..15 (0..F in HEX). It can be seen as an uint4_t type. The nibbleArray is an array that stores 2 nibbles in a byte therefore it is twice as small ...

Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 hours turnaround time) up to $20 shipping discount on first order (PCB ...