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Std EditionMaxPCB1.2x (obsolete)

License: GPL 3.0

Published Time:2017-10-19 00:41:11
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Description

For my OnStep telescope mount controller (visit my group for more information.) This design is built around the Teensy3.5/3.6 There are four stepper drivers (one for RA/Azm, one for Dec/Alt, one for a focuser, and one for a rotator/second focuser.) There's a power jack, fuse, and power switch connection. There are several connectivity options: USB, two I2C ports (w/common footprints for the DS3231 RTC and BME280.) There are two serial ports. Serial4 is brought out on a Molex connector (w/power.) Nearby there is a limit sense input (to stop the mount.) Serial1 is on a WeMos D1 Mini (ESP8266) foot-print for Wifi support. There is a D-Sub connector DB9 that has home SW inputs, PEC input, and two channels of A/B encoder inputs (which run to the ESP8266.) There's also a modular connector for an ST4 guider interface (with optional 5V power.) And finally, there's a mini speaker output for an alert buzzer.

Documents
ID Name Designator Footprint Quantity Mounted
1 A4988, etc. U3,U2,U5,U4 GENERIC STEPPER MOTOR DRIVER CARRIER 4 Yes
2 MOLEX KK 1X4 J3,J4 MOLEX KK 1X4 2 Yes
3 RJ22 RJ2,RJ1 4P4C 2 Yes
4 POWER_JACKPTH JP1 POWER_JACK_PTH 1 Yes
5 FUSE F1 FUSEHOLDER_MINI_BLADE 1 Yes
6 MOLEX KK 1X2 J1,J5,J2,J10 MOLEX KK 1X2 4 Yes
7 5V Reg U7 OKI78SR 1 Yes
8 100uF C1,C2 CAP-D8.0XF3.5 2 Yes
9 100uF C3 CAP-D6.3XF2.5 1 Yes
10 47uF C4,C5 CAP-D5.0XF2.0 2 Yes
11 RJ12 RJ3 6P6C 1 Yes
12 USB B Female USB1 USB-M-49 1 Yes
13 0.1UF-100V C6,C7,C9,C11,C10,C13,C12 CAP-PTH-SMALL-KIT 7 Yes
14 1x2 Header J14,J11,J7 HDR1X2 3 Yes
15 1x6 Header J15,J12 1X6 HEADER 2 2 Yes
16 RED5mm D1,D2,D3 LED-5MM 3 Yes
17 0.33UF-50V C8 CAP-PTH-SMALL-KIT 1 Yes
18 SPEAKER SP1 12MM SPEAKER 1 Yes
19 2N3904 Q1 TO92-3L 1 Yes
20 1N4148 D4 DO-35 1 Yes
21 1x3 Header J18,J19,J8,J24 1X3 HEADER 2 4 Yes
22 1KΩ R5 AXIAL-0.3 1 Yes
23 68Ω R6 AXIAL-0.4 1 Yes
24 12V Reg U6 OKI78SR 1 Yes
25 TEENSY_3.5_3.6_BASIC U1 TEENSY_3.53.6_BASIC 1 Yes
26 WEMOS D1 MINI U8 WEMOS_D1_MINI 1 Yes WeMos D1 Mini ESP8266
27 1x5 Header J23 1X5 HEADER 1 Yes
28 1x4 Header J22 1X4 HEADER 1 Yes
29 4 Resistor Array RP1,RP2 4 RESISTOR ARRAY 2 Yes
30 1x3 Header J20,J21 1X3 HEADER 3 2 Yes
31 1N4001 D5 DO-41 1 Yes
32 DS1034-01-09MBN044(iron) JP2 DB9 1 Yes
33 2.2KΩ R4 AXIAL-0.3 1 Yes
34 MOLEX KK 1X5 J9 MOLEX KK 1X5 1 Yes
35 1x2 Header J16,J13 1X2 HEADER 2 Yes
36 4.7KΩ R1 AXIAL-0.3 1 Yes
37 3.3KΩ(3302) R2,R3 AXIAL-0.3 2 Yes

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