SHHMI
About the SHHMI PCB
SHHMI 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 21 components from 7 distinct parts.
Other key parts include the DM-OLED096-636. By type, the board carries 5 LEDs, 5 resistors, 3 capacitors and 1 IC.
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 SHHMI
SHHMI bill of materials (BOM)
21 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | DM-OLED096-636 | display_oled_128x64_i2c | U1 |
| 4 | SW_Push_Dual | SW_SPST_PTS645_handsolder | BTN1, BTN2, BTN3, BTN4 |
| 1 | Conn_01x03 | PinHeader_1x03_P2.54mm_Vertical | H2 |
| 2 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | H3, H4 |
| 5 | LED_Small | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | LED1, LED2, LED3, LED4, LED5 |
| 3 | C_Small | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3 |
| 5 | R_Small | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4, R5 |
SHHMI design files
The KiCad project lives in the csabaala/SHIO88W repository on GitHub; these links point at the commit this page was built from.
- LayoutHardware/SHHMI/SHHMI.kicad_pcb
- SchematicHardware/SHHMI/SHHMI.kicad_sch
SHHMI: common questions
How big is the SHHMI PCB?
The SHHMI measures 71.7 × 58.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SHHMI?
21 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the SHHMI 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 SHHMI 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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