SHADRS485
About the SHADRS485 PCB
SHADRS485 is an open source PCB design by csabaala, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 71.7 × 58.8 mm, with 49 components from 11 distinct parts.
Other key parts include the MAX3485. By type, the board carries 24 resistors, 15 capacitors, 2 connectors, 2 diodes, 1 IC and 1 LED.
It belongs with the iot & wireless and displays & leds designs in this gallery.
From the project
ESP32 based DIN rail mount IO board
More Pictures and Video of the assembled board and extensions.
12V DC input for powering 8 open collector output (50 mA load per channel) 8 opto isolated input LEDs for output and input status 1 sensor input (ds18b20, dht) 14 pin IDC connector for direct GPIO access
Extension board mountable top of the SHIO88W board.
Sockets and breakout for 2 ADS1115 AD converter On board voltage dividers for each channel * RS-485 interface
Main components on the SHADRS485
SHADRS485 bill of materials (BOM)
49 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX3485 | SOIC-8_3.9x4.9mm_P1.27mm | IC1 |
| 2 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J1, J2 |
| 2 | Conn_01x10 | PinSocket_1x10_P2.54mm_Vertical | H3, H4 |
| 1 | Screw_Terminal_01x14 | MSTB 2,5 14-G-5,08 | H5 |
| 1 | Conn_01x04 | JST_EH_S4B-EH_1x04_P2.50mm_Horizontal | H6 |
| 1 | LED_Small | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | LED1 |
| 2 | SM6T6V8A | D_SMB | D1, D2 |
| 12 | C_Small | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 +4 |
| 3 | C_Small | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C11, C12, C13 |
| 16 | R_Small | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 +8 |
| 8 | R_Small | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R18, R19, R20, R21, R22, R23, R24 |
SHADRS485 design files
The KiCad project lives in the csabaala/SHIO88W repository on GitHub; these links point at the commit this page was built from.
SHADRS485: common questions
How big is the SHADRS485 PCB?
The SHADRS485 measures 71.7 × 58.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SHADRS485?
49 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the SHADRS485 design files?
From the csabaala/SHIO88W repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the SHADRS485 design in my own project?
Yes, under the terms of its GPL-3.0 license, which csabaala chose for the repository.
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