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Std EditionI2C MCP23017 expander copy
License: GPL 3.0
Project source： Cloned from I2C MCP23017 expander
Description
I2C expander for esp8266 wemos based on MCP23017 chip.
Documents
MCP23017 Inputs copy
Open in editorOutputs copy
Open in editorMCP23017 IO expander copy
Open in editor| ID | Name | Designator | Footprint | Quantity | Mounted | |
|---|---|---|---|---|---|---|
| 1 | 560R | R3,R2,R1,R0,R7,R6,R5,R4 | 0805 | 8 | Yes | |
| 2 | DEGSON Screw Terminal 3.5mm 2P | X3,X2,X1,X0,DC12V,X7,X6,X5,X4,DOUT1,DOUT2,DOUT3,DOUT4 | 1X2-3.5MM | 13 | Yes | |
| 3 | VDG/S-03HG-R | DIP1 | VDG/S-03HG-R | 1 | Yes | C52648 |
| 4 | WEMOS_WEMOS | U6 | WEMOS_D1 MINI V2 | 1 | Yes | |
| 5 | MCP23017-ESP | U3 | DIP28 | 1 | Yes | |
| 6 | DC-DC_7-28V_To_5V_Step_Down_Power_Supply_Module | U4 | DC-DC 5V 3A | 1 | Yes | |
| 7 | WJ2EDGVC-5.08-3P | 1-WIRE,P1 | WJ2EDGVC-5.08-3P | 2 | Yes | C8430 |
| 8 | 4k7 | R8 | 0805 | 1 | Yes | |
| 9 | Header-Male-2.54_1x4 | I2C | DIP-1X4P-2.54MM-M | 1 | Yes | C124378 |
| 10 | Header-Female-2.54_1x6 | SPI | HDR-6X1/2.54 | 1 | Yes | C40877 |
| 11 | 10K | R25,R26 | 0805 | 2 | Yes | |
| 12 | 4.7KΩ | RN1,RN2,RN3 | SIP-5 | 3 | Yes | C11392 |
| 13 | PC847 | U1,U2 | DIP-16_W7.62MM | 2 | Yes | |
| 14 | SRD-05VDC-SL-C | RELAY1,RELAY2,RELAY3,RELAY4 | RELAY-SL-SRD | 4 | Yes | C35449 |
| 15 | 2N2222 | T1,T2,T3,T4 | TO92-EBC-OVAL | 4 | Yes | |
| 16 | 1k | RB1,RB2,RB3,RB4 | AXIAL 0.3/0.65/1.5 | 4 | Yes | |
| 17 | 1N4148W | D1,D2,D3,D4 | SOD-123 | 4 | Yes | C81598 |
| 18 | 2A5Y3UD09 LED | LED1,LED2,LED3,LED4 | LED-2*5*7 | 4 | Yes | C3651 |
| 19 | 470R | R21,R22,R23,R24 | 0805 | 4 | Yes |
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