OnStep lite replacement board for EQ 6 Pro
prusaprinters
OnStep lite board for EQ 6 Pro on base Howard Dutton project Key properties: Easy replacement of the original Synscan board (four screws and reconnect three wires) Tennsy4.0 (or 3.2) CPU mainboard MiniPCB pin maps compatible Big USB B port is very well working with ZWO ASiair Bluetooth or Wi-Fi module Internal real time clock with battery backup (need add 32.468 khz crystal to teensy 3.2 board) Advance features: Port for polar scope iluminator Internal DSLR timer 8V2 power port for DSLR Buzzer Wiring diagram and PCB are on EasyEDA. For enable advance feature requires the following minor modifications MiniPCB.h #define ReticlePin 23 // Aux4 // Drain #define TonePin Aux3 // 29 // Tone For EQ6 recommended upgrade to Rowan Engineering timing belt set Category: DIY
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