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STD OnStep ESP32 Mini

License: GPL 3.0

Mode: Editors' pick

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Update time: 2021-04-06 11:46:54
Creation time: 2021-04-05 09:35:20
Description
My OnStepESPmini telescope mount controller (base on Howard Dutton project visit [group](https://onstep.groups.io/g/main) for more information.) Pinmaps is small modify Pins.MaxESP3.h
#define Aux7             36  // 36 is internal DS3132 PPS or 39 external (GPS) PPS
#define OneWirePin       15  // OneWire bus or Camera timmer
#define ReticlePin       19  // Polar scope iluminator
#define TonePin          2   // Tone 

// PEC  - not tested
#define PecPin              39  
#define AnalogPecPin        A3   // PEC Sense, analog or digital (GPIO39)
3D printed models on [thingiverse](https://www.thingiverse.com/thing:4818543)
Design Drawing
schematic diagram
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ID Name Designator Footprint Quantity
1 DE U3 GENERIC STEPPER MOTOR DRIVER CARRIER 1
2 MOLEX KK 1X2 PB1,P2,P3 MOLEX KK 1X2 3
3 47uF C2,C4,C6 CAP-D5.0XF2.0 3
4 RA U4 GENERIC STEPPER MOTOR DRIVER CARRIER 1
5 5555165-1 RJS1 6P6C 1
6 POWER_JACKPTH JP1 POWER_JACK_PTH 1
7 USB-02-B-1B USB1 USB-B-TH_USB-02-B-1X 1
8 10k R16,R7,R10,R8,R9,R20,R17 R1206 7
9 1k R15,R18 R1206 2
10 100 R14 R1206 1
11 470 R6,R5 R1206 2
12 100k R19 R1206 1
13 4k7 R13,R12,R1,R11,R4,R3,R2 R1206 7
14 DS3231MZ+ U9 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
15 CONN-TH_2P-P5.00 P1 CONN-TH_2P-P5.00 1
16 5555164-1 RJ2,RJ1 5555164-1 2
17 BME280 U11 BME280 1
18 CR2032-BS-6-1 BA1 CR2032 1
19 PPS J7 HDR-M-2.54_1X1 1
20 BUZZERHMB1275-12B B1 DIP-BUZZER-12X7.5 1
21 0.1u C3,C5,C10,C9,C11,C13,C12,C1 C1206 8
22 22p C8,C7 C1206 2
23 Camera LED3 LED-TH_BD3.0_RED 1
24 PWR LED1 LED-TH_BD3.0_RED 1
25 Status LED2 LED-TH_BD3.0_RED 1
26 CH340G U8 SOIC-16_L9.9-W3.9-P1.27-LS6.0-BR 1
27 PC817 U10 DIP-4 1
28 AMS1117-3.3 U6 SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR 1
29 ST4 J5 HDR-M-2.54_1X2 1
30 Fan J6 HDR-M-2.54_1X2 1
31 RX-HDR J1 HDR-M-2.54_1X3 1
32 TX-HDR J2 HDR-M-2.54_1X3 1
33 Flash HDR J3 HDR-M-2.54_1X3 1
34 Reset HDR J4 HDR-M-2.54_1X3 1
35 ESP-12F(ESP8266MOD) U2 WIFIM-SMD_ESP-12F-ESP8266MOD 1
36 8V U5 HW-613 1
37 Aux P4 MOLEX 1X5 PACKAGE 1
38 ESP-WROOM-32 U1 WIFIM-SMD_ESP-WROOM-32 1
39 3.5mm jack Camera Shot Port JP2 AUDIO-PJ324 1
40 12.000MHZ X1 HC-49S_L11.0-W4.4-P4.88 1

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