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556 power on reset

abzman·small-useful-PCBs·556 power on reset/556 power on reset.kicad_pcb

556 power on reset PCB layout, top view — open source board by abzman
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About the 556 power on reset PCB

556 power on reset is an open source PCB design by abzman, published on GitHub under the Unlicense license. It is a 2-layer board measuring 32.4 × 22.2 mm, with 14 components from 12 distinct parts.

Other key parts include the 7407. By type, the board carries 6 capacitors, 5 resistors, 1 IC, 1 transistor and 1 connector.

Main components on the 556 power on reset

7407

556 power on reset bill of materials (BOM)

14 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
7407
NA556
U1
1
BC548
2N7002
Q1
1
KMDGX-9S-BS-1
Conn_01x04_Socket
J1
2
100NF
0.1uF
C1, C3
1
100NF
1uF
C2
1
150UF
1uF
C4
2
1uF
C5, C6
1
100
820k
R1
1
470
1M
R2
1
100
R3
1
100k
R4
1
180
4k7
R5

556 power on reset design files

The KiCad project lives in the abzman/small-useful-PCBs repository on GitHub; these links point at the commit this page was built from.

556 power on reset: common questions

How big is the 556 power on reset PCB?

The 556 power on reset measures 32.4 × 22.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 556 power on reset?

14 components, from 12 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the 556 power on reset design files?

From the abzman/small-useful-PCBs repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the 556 power on reset design in my own project?

Yes, under the terms of its Unlicense license, which abzman chose for the repository.

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