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STD Chainable module for 75HC595 + TIP120
Project Status:
Ongoing
License: GPL 3.0
- 3
Description
This PCB allows you tu use a 74HC595 switch register an 8 TIP120 transistors.
That allows you to switch on and off 8 dc devices (up to 60V) with a microcontroller.
They can be daisy-chained to increase the nuber of DC outputs at will while using only 3 GPIO pins.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1N4448 | D0,D1,D2,D3,D4,D5,D6,D7 | DO-35 | 8 |
| 2 | M025MM | JP1,JP2,JP3,JP4,JP5,JP6,JP7,JP8 | SCREWTERMINAL-5MM-2 | 8 |
| 3 | 2.2K | R0,R1,R2,R3,R4,R5,R6,R7 | AXIAL-0.5 | 8 |
| 4 | 74HC595N | U2 | DIP16-2.54-20.32X5.84MM | 1 |
| 5 | POWER | SH3,SH4 | SCREWTERMINAL-5MM-3 | 2 |
| 6 | DATA IN | SH1 | SCREWTERMINAL-5MM-3 | 1 |
| 7 | DATA OUT | SH2 | SCREWTERMINAL-5MM-3 | 1 |
| 8 | TIP 120 | Q1,Q2,Q3,Q4,Q5,Q6,Q7,Q0 | TO-220 | 8 |
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