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Standard

1.Easy to use and quick to get started

2.The process supports design scales of 300 devices or 1000 pads

3.Supports simple circuit simulation

4.For students, teachers, creators

Profession

1.Brand new interactions and interfaces

2.Smooth support for design sizes of over 5,000 devices or 10,000 pads

3.More rigorous design constraints, more standardized processes

4.For enterprises, more professional users

Ongoing

STD Step500-open source

License: Public Domain

Mode: Editors' pick

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Update time: 2022-03-29 21:53:00
Creation time: 2020-10-05 17:35:10
Description
This board replaces most of the functionality of the Wadsworth Step-500 main board. That board is no longer being supported by Wadsworth Control Systems. Blog post [https://keithlohmeyer.blogspot.com/2021/01/greenhouse-controller-project.html](https://keithlohmeyer.blogspot.com/2021/01/greenhouse-controller-project.html)
Design Drawing
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ID Name Designator Footprint Quantity
1 10K R1 RES-ADJ-TH_3362P 1
2 Cooling 4 RELAY1 RELAY-TH_HF115F-024-2ZS4 1
3 Cooling 2 RELAY4 RELAY-TH_HF115F-024-2ZS4 1
4 Cooling 1 RELAY5 RELAY-TH_HF115F-024-2ZS4 1
5 Condensate Fans RELAY7 RELAY-TH_HF115F-024-2ZS4 1
6 Heat 1 RELAY8 RELAY-TH_HF115F-024-2ZS4 1
7 Heat 2 RELAY9 RELAY-TH_HF115F-024-2ZS4 1
8 Heat 3 RELAY10 RELAY-TH_HF115F-024-2ZS4 1
9 Cooling 3 RELAY2 RELAY-TH_HF115F-024-2ZS4 1
10 Aspirator CN8 CONN-TH_WJ15EDGRC-3.81-4P 1
11 LDR/TMP36 CN10 CONN-TH_WJ15EDGRC-3.81-4P 1
12 10uF C2 CAP-TH_BD8.0-P3.50-D1.0-FD 1
13 TPIC6A595NE U11 DIP-20_L25.4-W10.2-P2.54-LS7.6-BL 1
14 ARDUINO_NANO U1 ARDUINO_NANO 1
15 MAX485 Breakout U12 MAX485 BREAKOUT 1
16 3.3k R4,R5 RES-TH_BD2.4-L6.3-P10.30-D0.6 2
17 220 R2,R6 RES-TH_BD2.4-L6.3-P10.30-D0.6 2
18 4.7k R3 RES-TH_BD2.4-L6.3-P10.30-D0.6 1
19 MCP23017 S1 MCP23017 1
20 330 RN1 RES-ARRAY-TH_9PIN-L22.82-W3.00-PITCH2.54 1
21 UP SW1 SW-TH_4P-L12.0-W12.0-P5.00-LS12.5_TC-1103XX 1
22 LEFT SW2 SW-TH_4P-L12.0-W12.0-P5.00-LS12.5_TC-1103XX 1
23 RIGHT SW3 SW-TH_4P-L12.0-W12.0-P5.00-LS12.5_TC-1103XX 1
24 DOWN SW4 SW-TH_4P-L12.0-W12.0-P5.00-LS12.5_TC-1103XX 1
25 Heat 3 U2 SPDT ON-OFF-ON 1
26 Heat 2 U3 SPDT ON-OFF-ON 1
27 Heat 1 U4 SPDT ON-OFF-ON 1
28 Humidity Fans U5 SPDT ON-OFF-ON 1
29 Cooling 1 U6 SPDT ON-OFF-ON 1
30 Cooling 2 U7 SPDT ON-OFF-ON 1
31 Cooling 3 U8 SPDT ON-OFF-ON 1
32 Cooling 4 U9 SPDT ON-OFF-ON 1
33 VC 3 CN3 CONN-TH_3P-P5.08_WJ2EDGRC-5.08-3P 1
34 VC 2 CN7 CONN-TH_3P-P5.08_WJ2EDGRC-5.08-3P 1
35 VC 1 CN9 CONN-TH_3P-P5.08_WJ2EDGRC-5.08-3P 1
36 C 2 / HAF CN2 CONN-TH_3P-P5.08_WJ2EDGRC-5.08-3P 1
37 Flyback D1,D2,D3,D4,D5,D6,D7,D8 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 8
38 Heat 3-2 CN11 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
39 Heat 3-1 CN12 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
40 Heat 2-2 CN13 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
41 Heat 2-1 CN14 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
42 Heat 1-2 CN15 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
43 Heat 1-1 CN16 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
44 Condensate Fans CN17 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
45 C 1 CN6 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
46 C 3 CN4 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
47 C 4 CN1 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
48 5v IN CN5 CONN-TH_2P-P5.08_WJ2EDGRC-5.08-2P 1
49 TJ-L5FYTYGTDLSFLC6TW-A5 LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8 LED-DIP-5.8MM 8
50 SPLED LED9 LED-DIP-5.8MM 1
51 4x20 LCD - 16 pin back header U10 4X20 LCD W / 16 PIN BACK ENTRY HEADER 1

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