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7 segment BCD input RGB

3 years ago 802
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Description

A 7 segment display board consisting of RGB LEDs. The notation is as the conventional notation. MOSFETS are added for PWM brightness adjustment. The resistors should be selected according to the voltage drop of the LED and operation current. Listed resistors are calculated to be operating 20mA for each diode, with a constant 5 Volt source.

Documents

7 Segment RGB - Schematic

ClassDAudioAmp

7 Segment RGB - PCB

BOM

ID Name Designator Footprint Quantity
1 5050RGBLED5050 LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8 RGB-5050 8
2 130Ω R1,R4,R7,R10,R13,R16,R19,R22 1206 8
3 Header-Male-2.54_1x1 PWM1,PWM2,PWM3,A,B,C,D,E,F,G,H HDR-1X1/2.54 11
4 BSS138-7-F Q4,Q5,Q6 SOT-23(SOT-23-3) 3
5 91Ω R26,R2,R3,R5,R6,R8,R9,R11,R12,R14,R15,R17,R18,R20,R21,R23 1206 16
6 AudioJack J1 AUDIO-JACK 1
7 TLC555 U1 DIP8 1
8 IR2113 U2 DIP14 1
9 LM393 U4 DIP8 1
10 IRLZ44N Q1,Q2 TO-220AB 2
11 LM7805 U5 TO-220(TO-220-3) 1
12 PowerTerminal J2 TERMINAL_BLOCK_2P_5 1
13 16.5uH L1 AXIAL-0.6 1
14 47u C1,C2,C4 CAP-D4.0XF1.5 3
15 AudioOutput J3 TERMINAL_BLOCK_2P_5 1
16 10k R1,R2,R6 AXIAL-0.4 3
17 UF4007 D1,D2,D3 DO-41 3
18 LM7812 U6 TO-220(TO-220-3) 1
19 220nF C3,C6 RAD-0.1 2
20 1nF C5 RAD-0.1 1
21 2k R3 AXIAL-0.4 1
22 10 R4,R5 AXIAL-0.4 2
23 22u C7 CAP-D4.0XF1.5 1
24 1.1uF C8 RAD-0.3 1
25 10k R7 RES-ADJ_3386P 1
26 ICM7555IPAZ U7 DIP-8 1
27 TC7S14FU,LF U8 SOT-353 1

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