PCF8574 educational module
About the PCF8574 educational module
PCF8574 educational module is an open source PCB design by rsedak, published on GitHub under the Custom license license. It is a 2-layer board measuring 89.5 × 28.3 mm, with 22 components from 10 distinct parts.
Other key parts include the PCF8574A. By type, the board carries 9 resistors, 4 switches, 4 diodes, 3 connectors, 1 IC and 1 capacitor.
From the project
Purpose of PCF8574 educational module is student education. It is published under Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license. I hope you will enjoy it.
Purpose of PCF8574 educational module is student education.
Contributor ------------ - Robert Sedak — features, Arduino programming, schematic design, CAD design.
Application ----------- Robert Sedak made a video with example programmed in Arduino IDE:
You can download example for Arduino IDE from here.
Bill Of Materials ----------------- - 1 ea., PCB - 4 ea., 1K ohm 1/4W 1% Resistor (R1, R2, R3, R4) - 3 ea., 10K ohm 1/4W 1% Resistor (R5, R6, R7) - 2 ea., 4.7K ohm 1/4W 1% Resistor (R8, R9) - 4 ea., LED 3mm (D1, D2, D3, D4) - 4 ea., 6x6x4.3mm SPST Momentary push switch (SW1, SW2, SW3, SW4)…
Main components on the PCF8574 educational module
PCF8574 educational module bill of materials (BOM)
22 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PCF8574A | DIP-16_W7.62mm_Socket | U1 |
| 1 | Conn_01x05` | PinHeader_1x05_P2.54mm_Horizontal | J1 |
| 1 | Conn_01x04 | PinSocket_1x04_P2.54mm_Horizontal | J2 |
| 1 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J3 |
| 4 | SW_Push | SW_PUSH_6mm | SW1, SW2, SW3, SW4 |
| 4 | LED | LED_D3.0mm | D1, D2, D3, D4 |
| 1 | 100nF | C_Rect_L4.6mm_W2.0mm_P2.50mm_MKS02_FKP02 | C1 |
| 4 | 1K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3, R4 |
| 3 | 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5, R6, R7 |
| 2 | 4,7R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R8, R9 |
PCF8574 educational module design files
The KiCad project lives in the rsedak/PCF8574_educational_module repository on GitHub; these links point at the commit this page was built from.
PCF8574 educational module: common questions
How big is the PCF8574 educational module?
The PCF8574 educational module measures 89.5 × 28.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the PCF8574 educational module?
22 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the PCF8574 educational module design files?
From the rsedak/PCF8574_educational_module repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the PCF8574 educational module design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.