License

GPL 3.0

Tags
Recommend Projects

MaxPCB2

1 year ago 3238
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

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.) All are available on RJ jacks at the PCB back. There's a power jack, fuse, and power switch connection. There are several connectivity options: USB, an I2C port (w/footprint for the DS3231 RTC.) There are two serial ports. Serial4 is brought out on a pin-header connector (w/power.) 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.) One a 3.5mm stereo mini jack is a limit sense input (to stop the mount) and also a reticule LED output. And finally, there's a mini speaker output for an alert buzzer.

History Version 2.0 First release of MaxPCB2 Version 2.1 Moved PPS from DS3231 on 32KHZ to SQW pin

Documents

Schematic

PCB

BOM

ID Name Designator Footprint Quantity
1 A4988, etc. U4,U3,U2,U5 GENERIC STEPPER MOTOR DRIVER CARRIER 4
2 POWER_JACKPTH JP1 POWER_JACK_PTH 1
3 FUSE F1 FUSEHOLDER_MINI_BLADE 1
4 5V Reg U7 OKI78SR 1
5 100uF C2,C1 CAP-D8.0XF3.5 2
6 100uF C3 CAP-D6.3XF2.5 1
7 RJ12 RJS 6P6C 1
8 0.33UF-50V C8 CAP-PTH-SMALL-KIT 1
9 0.1UF-100V C9,C11,C13,C12,C6,C7 CAP-PTH-SMALL-KIT 6
10 1x2 Header J12 HDR1X2 1
11 12V Reg U6 OKI78SR 1
12 WEMOS D1 MINI U8 WEMOS_D1_MINI 1
13 Bussed Resistor Network 5 Pin RP1,RP2 4 RESISTOR ARRAY 2
14 1x3 Header J10,J9 1X3 HEADER 2 2
15 1N4001 D5,D4 DO-41 2
16 DB9 Socket JP2 DB9 1
17 BUZZER SP1 BUZZER-12MM-KIT 1
18 4.7KΩ R1 AXIAL-0.3 1
19 3.3KΩ(3302) R2,R3 AXIAL-0.3 2
20 180Ω R5 AXIAL-0.4 1
21 DS3231-RTC RTC1 DS3231-RTC-24C32-EEPROM 1
22 5520426-4 RJ2,RJ1 5520426-4 2
23 RJ22 RJ3,RJ4 5555980-1 2
24 M0 J3,J6 1X3 HEADER 2 2
25 M1 J4,J7 1X3 HEADER 2 2
26 M2 J5,J8 1X3 HEADER 2 2
27 47uF C5,C4 CAP-D5.0XF2.0 2
28 4POS_SCREW_TERMINAL_3.5MM JS1,JS2 4POS_SCREW_TERMINAL_3.5MM 2
29 4POS_SCREW_TERMINAL_2.54MM JS3,JS4 4POS_SCREW_TERMINAL_2.54MM 2
30 TEENSY_3.5_3.6_BASIC U1 TEENSY_3.53.6_BASIC 1
31 MOLEX KK 1X2 J1 MOLEX KK 1X2 1
32 1x5 Header J13 1X5 HEADER 1
33 LED3/5mm D1,D2,D3 LED3/5MM 3
34 PJ-325M/3.5MM J2 AUDIO-PJ325 1
35 0.1UF-100V-20%(PTH) C14 CAP-PTH-SMALL-KIT 1
36 2k R6 AXIAL-0.3 1

Attachments

None

Members

Success
The owner does not allow comments in this project now

Comments (0)

goToTop
你现在访问的是EasyEDA海外版,使用建立访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程,下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
svg-battery svg-battery-wifi svg-books svg-more svg-paste svg-pencil svg-plant svg-ruler svg-share svg-user svg-logo-cn svg-double-arrow
We use cookies to offer you a better experience. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this site, you consent to the use of our cookies.