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STD OCS4
License: CC-BY-NC-SA 3.0
Mode: Editors' pick
My observatory controller hardware version 4, this is based on the Teensy3.5, 3.6, or 4.1 microcontroller with W5500 Ethernet module.
Relays (most have screw down terminal provision) there are:
5 x 0.5A rated optically isolated solid state relays (RE1 to RE5.) I use these for switching LED lights.
2 x n-channel 50A rated MOSFET transistors for switching my DC roof motor (RE6, RE7.) These are driven by optically isolated SSR's.
5 x 15A 230V rated mechanical relays (RE8 to RE12.) These are driven by optically isolated SSR's.
1 x 6 position header with 5V or 12V power and ground and digital control signals. Can work with an 4 channel mechanical relay board typically available from eBay.
1 x 2 position header with 5V or 12V power and ground (spare I/O.)
Input signals (all have screw down terminal provision) there are:
4 x current limited diode clamped analog inputs. These are 10:1 voltage divided for measuring up to 33V max.
4 x current limited diode clamped digital inputs (3.3V max) with pull-up resistors. These are typically used for sensing (roof) limit switches or light switches.
4 x "shared" current limited analog or digital inputs (3.3V max.) Two of the four are diode clamped. These are typically used for analog sensors (temperature or windspeed for example.)
Digital I/O:
2 x TTL Serial connections with 5V power on screw-down terminals.
2 x I2C connections with 3.3V (or optional 5V) poly-fused (0.5A) and 12V on RJ45 connectors.
1 x I2C pin-header for optional BME/BMP280. Typically used for inside temperature and humidity.
1 x SPI pin-header for optional DS3234RTC clock.
Power (all have screw down terminal provision:)
2 x 3.3V power (0.5A poly-fused.)
2 x 5V power (0.5A poly-fused.)
2 x 12V power (protected by main fuse.)
Revision History:
v4.0 - Initial release
v4.1 - Changed current limiting resistors for SSR's from 2K down to 680 Ohms.
v4.11 - Changed G3VM-351A to G3VM-351AY
ID | Name | Designator | Footprint | Quantity | |
---|---|---|---|---|---|
1 | TEENSY_3.5_3.6_BASIC | U2 | TEENSY_3.53.6_BASIC | 1 | |
2 | 220uF | C1 | CAP-TH_BD10.0-P5.00-D1.0-FD | 1 | |
3 | 330nF | C2 | CAP-TH_L5.9-W4.1-P5.08-D0.5 | 1 | |
4 | 10uF | C3 | CAP-TH_L6.0-W5.0-P5.00-D1.0 | 1 | |
5 | 22uF | C4,C7,C8 | CAP-TH_L5.9-W4.2-P5.08-D0.5 | 3 | |
6 | 100nF | C9,C10,C11,C5,C6 | CAP-TH_L5.0-W4.0-P5.00-D1.0 | 5 | |
7 | JK-NSMD050/24V | F1,F2 | F1206 | 2 | |
8 | XF-506P | FH1 | FUSE-TH_XF-506P | 1 | |
9 | XY128V-A-5.0-2P | JS9 | CONN-TH_XY128V-A-5.0-2P | 1 | |
10 | XY350V-3.5-4P | JS10,JS11,JS12,JS1,JS2,JS3,JS4,JS5,JS6,JS7,JS8 | CONN-TH_XY350V-3.5-4P | 11 | |
11 | K78L03-1000R3 | U21 | PWRM-TH_K78LXX-1000R3 | 1 | |
12 | K78L05-1000R3 | U22 | PWRM-TH_K78LXX-1000R3 | 1 | |
13 | 1N4001_C360240 | D201,D202,D301,D302,D303,D304,D305 | DO-41_BD2.4-L4.7-P8.70-D0.9-RD | 7 | |
14 | 1x3 Header | JP1,JP2 | 1X3 HEADER | 2 | |
15 | 1x2 Header | JP101,JP102,JP103,JP104,JP105,JP300 | HDR1X2 | 6 | |
16 | XY350V-3.5-3P | JS101,JS102,JS103,JS104,JS105 | CONN-TH_XY350V-3.5-3P | 5 | |
17 | XY636-6.35-2P | JS201,JS202 | CONN-TH_XY636-6.35-2P | 2 | |
18 | 264-7SURT/S530-A3 | LED101,LED102,LED103,LED104,LED105,LED201,LED202,LED301,LED302,LED303,LED304,LED305 | LED-TH_BD3.2-P2.54-RD | 12 | |
19 | 1x6 Header | PH1 | 1X6 HEADER | 1 | |
20 | 1x4 Header | PH2 | 1X4 HEADER | 1 | |
21 | CS150N03A8W | Q201,Q202 | TO-220-WIDE | 2 | |
22 | 680Ω | R101,R102,R103,R104,R105,R201,R202,R302,R303,R304,R305 | RES-TH_BD2.3-L3.7-P7.70-D0.9 | 11 | |
23 | 4K7 | R111,R112,R113,R114,R115,R231,R232,R311,R312,R313,R314,R315 | RES-TH_BD1.8-L3.2-P7.20-D0.4 | 12 | |
24 | 120 | R200,R211,R212 | RES-TH_BD1.8-L3.2-P7.20-D0.4 | 3 | |
25 | 1M2 | R221,R222 | RES-TH_BD1.8-L3.2-P7.20-D0.4 | 2 | |
26 | 430Ω | R300,R301 | RES-TH_BD1.8-L3.2-P7.20-D0.4 | 2 | 430Ω |
27 | G3VM-41AY | U101,U102,U103,U104,U105 | DIP-4 | 5 | |
28 | G3VM-351AY | U201,U202,U301,U302,U303,U304,U305 | DIP-4 | 7 | |
29 | Relay TE RZF1-1A6-L012 | U311,U312,U313,U314,U315 | SONG CHUAN FORM A SPST RELAY 302WP1 | 5 | |
30 | 1x7 Header | PH3 | HDR1X7 | 1 | |
31 | 2K2 | R22,R23,R24,R25,R26,R27,R28,R29,R30,R31,R32,R33,R34,R35,R36,R37 | RES-TH_BD1.8-L3.2-P7.20-D0.4 | 16 | |
32 | 220 | R43,R44,R45,R46 | RES-TH_BD1.8-L3.2-P7.20-D0.4 | 4 | |
33 | DS1134-07-S8B0P | RJ1,RJ2 | RJ45-TH_DS1134-07-S8B0P | 2 | |
34 | W5500-MINI_V1.1_EVB | U3 | W5500-MINI | 1 | |
35 | BME280 | U18 | BME280 | 1 | |
36 | DA112S1 | U19,U20 | S08 | 2 |
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