OnStep for EQ6

1 month ago

Profile:OnStep replacement board for EQ 6 Pro

Open source license: GPL 3.0

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Description

OnStep replacement board for EQ 6 Pro  on base Howard Dutton project

Key properties:

  • Big USB B port
  • Bluetooth
  • Wi-Fi
  • Internal real time clock and PPS with battery backup
  • Port for polar scope illuminator
  • Three-channel controller for dew heaters or fans
  • DSLR timer
  • Weather sensor- temperature, pressure and humidity

Panel for 3D printing on Thingiverse

Pinmaps is based on MaxESP3 but requires the following minor modifications:

#define Aux7        36    // 36 is internal DS3132 PPS or 39 external (GPS) PPS
#define OneWirePin  15    // OneWire
#define ReticlePin  19    // Polar scope iluminator
#define TonePin     2     // Tone

// PEC Optional - not use now
#define Pec 39
#define AnalogPecPin  A3// PEC Sense, analog or digital (GPIO39)

FreeCAD souce is here

Documents

OnStep for EQ6Pro 2.5

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Dew Heater

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PCB OnStep EQ6Pro v2.5

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JST 2.0mm Connector adapter

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BOM

ID Name Designator Footprint Quantity
1 SFN-1407PA7.6 B1 BUZ-TH_BD14.0-P7.60-D0.7-FD 1
2 CR2032-BS-6-1 B2 CR2032 1
3 0.1u C1,CA1,CB1,CC1,CD3,CD4 C1206 6
4 47uF CA2,CB2,CC2 CAP-D6.3-F2.5 3
5 22p CD1,CD2 C1206 2
6 10n CP1 C1206 1
7 3n9 CP2 C1206 1
8 100n CP3 C1206 1
9 SS14_C84343 D1,D2 SMA_L4.3-W2.6-LS5.2-RD 2
10 SS54 D11,D12,D13,D14 SMB_L4.6-W3.6-LS5.3-R-RD 4
11 DC-026M-25A DC1 POWER_5,5-2,1_VERTICAL 1
12 TL2230EEF100 FLASH1 SW-TH_6P-L7.0-W7.0-P2.00 1
13 Fan H4 HDR-M-2.54_1X2 1
14 RA Motor J1 MOLEX-1X4 1
15 DE Motor J2 MOLEX-1X4 1
16 MOLEX KK 1X2 J3 MOLEX KK 1X2 1
17 DS1134-07-S8B0P J4 RJ45-TH_DS1134-07-S8B0P 1
18 CONN-TH_2P-P5.00 J5 CONN-TH_2P-P5.00 1
19 PEC J7 HDR-M-2.54_1X1 1
20 RCA JP1,JP2,JP3 RCA 106K-2 3
21 PJ-3582-B JP4 AUDIO-TH_PJ-3582-B 1
22 10uH L1 IND-SMD_L7.0-W6.6 1
23 PWR LED1 LED-TH_BD3.0_RED 1
24 Status LED2 LED-TH_BD3.0_RED 1
25 LED-0805_B LED3 LED0805_BLUE 1
26 LED-TH-3mm_R LED11,LED12,LED13 LED-TH_BD3.0_RED 3
27 Camera LED14 LED-TH_BD3.0_RED 1
28 PC817 OI4 DIP-4 1
29 100 R1,R03,RO1,RO2 R1206 4
30 10k R2,RB1,RB3,RH1,RH2,RH3,RP3 R1206 7
31 1k RB4,RL14 R1206 2
32 4k7 RA1,RA2,RA3,RA4,RE1,RE2,RE3,RL2,RW1 R1206 9
33 Reset RESET TACTILE_SMT_3X4X2 1
34 22K RL1 R1206 1
35 22k RL11,RL12,RL13 R1206 3
36 470 RM1,RM2 R1206 2
37 1 RM3,RM4 R1206 2
38 100k RP1 R1206 1
39 6k8 RP2 R1206 1
40 44k RP4 R1206 1
41 KCD1-11-2P Rocker switch SW1 KCD1-11-2P 1
42 IRF9540NPBF T1,T2,T3 TO-220-3_L10.0-W4.5-P2.54-L 3
43 ESP-WROOM-32 U1 WIFIM-SMD_ESP-WROOM-32 1
44 WEMOS D1 MINI U2 WEMOS D1 MINI 1
45 DE U3 TMC5160 1
46 RA U4 TMC5160 1
47 DS3231MZ+ U5 SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL 1
48 CH340G U6 SOIC-16_L9.9-W3.9-P1.27-LS6.0-BR 1
49 BME280 U7 BME280 1
50 DS2413P+ U8,U9 D6+1 2
51 MP2307DN-LF-Z U10 SOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP 1
52 AMS1117-3.3 U11 SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR 1
53 662K. U12 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1
54 USB-B12-BRW USB1 USB-B-TH_USB-B12-BRW 1
55 12.000MHZ X1 HC-49S_L11.0-W4.4-P4.88 1

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