OnStep replacement board for EQ 6 Pro

OnStep replacement 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)
• Big USB B port
• Bluetooth
• Wi-Fi
• Internal real time clock and PPS with battery backup
• Port for polar scope illuminator
• Three-channel controller for dew heaters or fans
• DSLR timer
• Weather sensor - temperature, pressure and humidity

Wiring diagram and PCB are on EasyEDA.

Pinmaps is based on MaxESP3 but requires the following minor modifications:

#define Aux7 36 // 36 is internal DS3132 PPS or 39 external (GPS) PPS #define OneWirePin 15 // OneWire #define ReticlePin 19 // Polar scope iluminator #define TonePin 2 // Tone

// PEC Optional - not use now #define PecPin 39 #define AnalogPecPin A3 // PEC Sense, analog or digital (GPIO39)

MyConfig file included

My others OnStep things

FreeCAD souce is here