OnStep lite replacement board for EQ 6 Pro
Description
OnStep lite board for EQ 6 Pro on base Howard Dutton [project](https://onstep.groups.io/g/main/wiki/3860) Key properties: * Easy replacement of the original Synscan board (four screws and reconnect three wires) * Tennsy 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](https://easyeda.com/hujer.roman/onstep-eq6-simple). For enable advance feature requires the following minor modifications MiniPCB.h <pre> #define ReticlePin 23 // Aux4 // Drain #define TonePin Aux3 // 29 // Tone </pre> For EQ6 recommended upgrade to [Rowan Engineering timing belt set](https://www.teleskop-express.de/shop/product_info.php/info/p7043)
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