GPL 3.0
For my OnStep telescope mount controller (visit my group for more information.) This design is built around the ESP32S.
Features:
Connectivity options:
Revisions: 2.0 Initial Release 2.1 Disconnected SLP/RST on Axis1/2 so ESP32 GPIO12 is not held HIGH during boot 2.2 Added +5V to USB connector going to ESP32 (otherwise USB on some of these doesn't work.) Added S310FA Diode to protect TMC2xxx stepper drivers due to above requirement.
ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part |
---|---|---|---|---|---|
1 | A4988, etc. | U4,U3,U2 | GENERIC STEPPER MOTOR DRIVER CARRIER | 3 | Misc. eBay etc. |
2 | POWER_JACKPTH | JP1 | POWER_JACK_PTH | 1 | PJ-102AH |
3 | FUSE | F1 | FUSEHOLDER_MINI_BLADE | 1 | 3568 |
4 | 5V Reg | U7 | OKI78SR | 1 | OKI-78SR-5 1.5-W36-C |
5 | 100uF | C2,C1 | CAP-D8.0XF3.5 | 2 | EEU-FR1H101 |
6 | 100uF | C3 | CAP-D6.3XF2.5 | 1 | UVY1E101MDD |
7 | RJ12 | RJS | 6P6C | 1 | 5520470-3 |
8 | 0.33UF-50V | C8 | CAP-PTH-SMALL-KIT | 1 | C322C334M5U5TA7301 |
9 | 1x2 Header | J1 | HDR1X2 | 1 | 0.1" Breakaway Pin Header |
10 | 12V Reg | U6 | OKI78SR | 1 | L7812ABV |
11 | WEMOS D1 MINI | U8 | WEMOS_D1_MINI | 1 | Misc. eBay etc. |
12 | 4 Resistor Array | RP1,RP2 | 4 RESISTOR ARRAY | 2 | 4605X-101-202LF |
13 | 1x3 Header | J10,J9 | 1X3 HEADER 2 | 2 | 0.1" Breakaway Pin Header |
14 | 1N4001 | D5 | DO-41 | 1 | 1N4001 |
15 | DS1034-01-09MBN044(iron) | JP2 | DB9 | 1 | D09S33E4GV00LF |
16 | 0.1UF-100V | C11,C6,C7,C9 | CAP-PTH-SMALL-KIT | 4 | SR211C104KARTR1 |
17 | 4.7KΩ | R1 | AXIAL-0.3 | 1 | 4.7K Ohm 0.1 watt |
18 | 3.3KΩ(3302) | R3 | AXIAL-0.3 | 1 | 3.3K Ohm 0.1 watt |
19 | DS3231-RTC | RTC1 | DS3231-RTC-24C32-EEPROM | 1 | ? |
20 | 5520426-4 | RJ2,RJ1 | 5520426-4 | 2 | 5520426-4 |
21 | RJ22 | RJ3 | 5555980-1 | 1 | 5555980-1 |
22 | PJ-325M/3.5MM | J2 | AUDIO-PJ325 | 1 | SJ1-3533NG |
23 | 47uF | C5,C4 | CAP-D5.0XF2.0 | 2 | ECA-1VM470I |
24 | 4POS_SCREW_TERMINAL_3.5MM | JS1,JS2 | 4POS_SCREW_TERMINAL_3.5MM | 2 | 1776275-4 |
25 | 4POS_SCREW_TERMINAL_2.54MM | JS3 | 4POS_SCREW_TERMINAL_2.54MM | 1 | 282834-4 |
26 | MOLEX KK 1X2 | J11,J6 | MOLEX KK 1X2 | 2 | 22-23-2021 |
27 | 0.1UF-100V-20%(PTH) | C14 | CAP-PTH-SMALL-KIT | 1 | SR211C104KARTR1 |
28 | 2k | R6 | AXIAL-0.3 | 1 | 2K Ohm 0.1 watt |
29 | Nodemcu_esp32 | U1 | NODEMCU-ESP32S-NARROW | 1 | Nodemcu esp32 |
30 | 1x2 Header | J3,J4,J5 | 1X2 HEADER | 3 | 0.1" Breakaway Pin Header |
31 | USB B Female | USB1 | USB-M-49 | 1 | 61729-0010BLF |
32 | DA112S1 | U5 | S08 | 1 | DALC112S1RL |
33 | LED3/5mm | D1 | LED3/5MM | 1 | 3mm LED Green |
34 | LED3/5mm | D3 | LED3/5MM | 1 | 3mm LED Red |
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