Circuit

ambadran·Free-Lance-Projects·led_sign/V1/circuit.kicad_pcb

About the Circuit PCB

Circuit is an open source PCB design by ambadran, published on GitHub. It is a 2-layer board measuring 93.7 × 103.5 mm, with 86 components from 21 distinct parts.

Other key parts include the 74HC595, NE555P, LM7805_TO220 and 74LS279. By type, the board carries 32 resistors, 19 transistors, 17 connectors, 7 capacitors, 5 ICs and 4 diodes.

From the project

repo for holding my free lance work

Main components on the Circuit

74HC595 NE555P LM7805_TO220 74LS279

Circuit bill of materials (BOM)

86 components, 21 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	74HC595	DIP-16_W7.62mm_LongPads	U1
1	NE555P	DIP-8_W7.62mm	U2
1	LM7805_TO220	TO-220-3_Vertical	U3
1	74HC595	DIP-16_W7.62mm_Socket_LongPads	U4
1	74LS279	DIP-16_W7.62mm_Socket_LongPads	U5
16	Q_NPN_Darlington_BCE	TO-126-3_Vertical	Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +8
3	S8050	TO-92_Inline_Wide	Q17, Q18, Q19
16	JST2P	JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical	J1, J2, J3, J4, J5, J6, J7, J8 +8
1	Power12V	TerminalBlock_bornier-2_P5.08mm	J17
1	0	R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical	Bridge1
1	10k	PinHeader_1x03_P2.54mm_Vertical	RV1
1	LED	LED_D5.0mm	D1
3	1N5817	D_DO-41_SOD81_P10.16mm_Horizontal	D2, D3, D4
5	100uF	CP_Radial_D5.0mm_P2.00mm	C1, C3, C4, C6, C7
1	220uF	CP_Radial_D6.3mm_P2.50mm	C2
1	10nF	C_Disc_D5.0mm_W2.5mm_P2.50mm	C5
17	330	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R1, R2, R3, R4, R5, R6, R7, R8 +9
4	1k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R10, R11, R16, R29
2	270	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R21, R33
8	5k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R22, R23, R24, R25, R26, R27, R28, R31

Show 1 more

Qty	Part	Footprint	Refs
1	10k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R32

Circuit design files

The KiCad project lives in the ambadran/Free-Lance-Projects repository on GitHub; these links point at the commit this page was built from.

Circuit: common questions

How big is the Circuit PCB?

The Circuit measures 93.7 × 103.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Circuit?

86 components, from 21 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 Circuit design files?

From the ambadran/Free-Lance-Projects repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.