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STD OnStep controller V 1.4

License: GPL 3.0

Mode: Editors' pick

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Update time: 2021-11-29 00:18:38
Creation time: 2018-01-15 09:11:16
Description
Telescope OnStep goto controller - Arduino MEGA 2560 board More info about OnStep goto controller on [Howard Dutton project](http://www.stellarjourney.com/index.php?r=site/equipment_onstep) or [OnStep News](https://groups.io/g/onstep) For box see https://www.thingiverse.com/thing:2748375 #####Another recommended link: * [My OnStep ST4 Handheld controller](https://www.thingiverse.com/thing:2626117) * [My OnStep for Seben EQ3 mount](https://www.thingiverse.com/thing:2670699) * [My EQ telescope mount II. for OnStep goto controller](https://www.thingiverse.com/thing:2748281)
Design Drawing
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  • OnStep controller for Arduino Mega 2560 (Alternate pin-map) V1.0

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ID Name Designator Footprint Quantity
1 100nF C1,C4,C9 RAD-0.1 3
2 47uF C2,C3,C5,C8 CAP-D3.0XF1.5 4
3 BYW29-200 D1 TO-220-2 1
4 A4988 Stepper Motor Driver Carrier DEC,RA A4988 STEPPER MOTOR DRIVER CARRIER 2
5 TS-1109 DEC+,DEC-,RA+,RA-,STOP SW4-6.0X6.0X5.0MM 5
6 LM7809EE IC1 TO220 1
7 LM7805EE IC2 TO220 1
8 CON_HEADER_1X03 J1,J15 M1X3_MALE_RIGHT_ANGLED 2
9 CON_HEADER_1X02 J2 M1X2_MALE_RIGHT_ANGLED 1
10 CON_HEADER_1X02-PTH_RIGHT_ANGLED J3,J4,J5,J6,J7,J8,J9,J10,J11,J12,J13,J16,J17 M1X2_MALE_RIGHT_ANGLED 13
11 CON_HEADER_1X03-PTH_RIGHT_ANGLED J14 M1X3_MALE_RIGHT_ANGLED 1
12 POWER 12 - 24V JP1 POWER_JACK_PTH 1
13 204-10UYC/S530-A3 LED1,LED4,LED5 LED-3MM/2.54 3
14 ARDUINO-MEGA2560_ARDUINO_MEGA2560 PCB1 ARDUINO_MEGA2560 1
15 4k7 R1,R4,R5,R8 0805 4
16 2k2 R9 0805 1
17 RJ45 RJ1,RJ2,RJ3 RJ45-3.68 3
18 2P2T S1 2P2T 1
19 BUZZER SG1 BUZZER-12MM 1
20 POWER SWITCH SW1 SLIDE SWITCH 1P2T MODEL SK-12F14-G 2_54MM PIN SPACING NOT 3MM 1
21 DS3234SN U1 RTC DS3234 1
22 ESP Adapter U2 ESP8266_MODULE 1

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