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Public Domain

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Twitter Lights Ver 1.2

1 year ago 307
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Description

This is a Raspberry Pi Shield. 12V DC to input. The board will power the Pi through the GPIO using a switch power supply based around the ACT4065A IC. The input 12V comes in through the DC "IN" barrel Jack. Then is turned on and off through the TIP120 NPN Transistor which is controlled through GPIO 4 on the Pi and outputs the barrel Jack labeled "OUT". There is also another TIP120 NPN transistor controlled by GPIO 17 on the Pi. This output is soldered on the board. There are also onboard 4 onboard LED's:

When 12V is connected properly When 5V is converted properly When GPIO 4 is HIGH and Transistor is working When GPIO 17 is HIGH and Transistor is working P1,P2 DC-005 5.5-2.0MM (Barrel plug) H1 2*20P 2.54mm (40 pin Header) Mount on bottom side of board R4 12K (805 package) R5 10K (805 package) R1 52.3K (805 pacage D1 SB240 (DIODE) C1 100uF (5x11 Cap) U1 ACT4065ASH-T R2 1KΩ (805 package) Q1 TIP120 (NPN Transistor) R3,R6,R7 560 (2010 package) L3 33uH (6020 package) C5 1.5nF (805 package) LED2,LED1,LED3 FC-3215UGK-520D (1206 package) C2 10nF(103) (1206 package) P2 DC-005 5.5-2.0MMLED OUTPUT C4 47uF (5x11 CAP) R8 1k (805 package) MOUNTED ON BACK image.png

Documents

Sheet_1

NEW_PCB

Ver 1.3 Prototype

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 560 R3,R4,R5 2010 3 2010W2J0561T4S UniOhm LCSC C20438
2 2*20P 2.54mm H1 DIP-2.54MM-2X20P 1 - Shenzhen Cankemeng LCSC C169819
3 33uH L1 L12994 1 SMSD0804-330MT ShunXiang Connaught Elec LCSC C286357
4 220uF C2 CAP-D6.3XF2.5 1 PE1A221ME060A00CR0 Changzhou Huawei Elec LCSC C190897
5 DC-005 5.5-2.0MM P1 DC-005 1 DC-005 5.5-2.0MM BOOMELE LCSC C16214
6 DC-005 5.5-2.0MMLED OUTPUT P2 DC-005 1 DC-005 5.5-2.0MM BOOMELE LCSC C16214
7 2STN1360 Q1,Q2 SOT-223 2 2STN1360 STMicroelectronics LCSC C181221
8 SS53C D1 SMCF 1 SS53C LGE LCSC C330397
9 680uF C1 CAP-8*11.5 1 ULR687M1CF1ARRX0CR Man Yue Tech Holdings LCSC C248458
10 LM2596R-5.0 U2 TO-263-5 1 LM2596R-5.0 HTC LCSC C77782
11 FC-3215UGK-520D LED2,LED1,LED3 LED-1206 3 FC-3215UGK-520D NATIONSTAR LCSC C99881
12 1KΩ R2,R1 0805 2 RC0805JR-071KL YAGEO LCSC C100046

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