License

MIT

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WISDEC16 with ATmega328P

3 years ago 71
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

This project uses the AtMega328P-PU as processor. Input is the DCC signal used in model railroading projects. There are 16 MosFet driven outputs, separated from the AtMega by optocouplers (if you want separation). A 5V power unit is integrated; it can get it's power from DCC or from a separate power supply. There are a lot of LEDs in the circuit diagram, but you can leave a lot of them (and the accompanying resistors) out.

Documents

WisDec21

WisDec22

WisDec23

WisDec24

WisDec25

New PCB 1 - 55 routing test

New PCB 1 - 55 routing test 1st version

New PCB 1 - 55 routing test 2nd version

BOM

ID Name Designator Footprint Quantity
1 100nF C202,C203,C206,C207,C208 2.5MM 2.5X5MM CASE CERAMIC CAP 5
2 1000uF C201 CP_10X21MM 1
3 10uF C205 CP_4X7MM 1
4 1k5 R204,R205,R208 AXIAL-0.4 3
5 JUMPERPAD NO JP201 JUMPERPAD NO 1
6 ATMEGA328P-PU U202 DIP-283 1
7 10k R206,R207 AXIAL-0.4 2
8 ZTT16.00MX Y201 X3-2.5-10X5X10MM 1
9 HDR-IDC-2.54-2X3P ICSP HDR-IDC-2.54-2X3P 1
10 Header-Male-2.54_1x6 FTDI HDR-6X1/2.54 1
11 5 VR201 TO-220 SPECIAL HEATSINK WVB 1
12 Tactile Switch S201 TACT SWITCH 6 PIN WVB 1
13 VDD J203 WJ2EDGVC-5.08-2P 1
14 1N4004 D201,D221,D222,D223,D224,D231,D232,D233,D234,D241,D242,D243,D244,D251,D252,D253,D254 DO-35 17
15 1N4004 D203,D202 DO-35 2
16 IRF540 Q221,Q222,Q223,Q224,Q231,Q232,Q233,Q234,Q241,Q242,Q243,Q244,Q251,Q252,Q253,Q254 TO-220AB WVB 16
17 100 nF C221,C222,C223,C224,C231,C232,C233,C234,C241,C242,C243,C244,C251,C252,C253,C254 2.5MM 2.5X5MM CASE CERAMIC CAP 16
18 Header 4 x OUT SH221,SH231,SH241,SH251 HEADER 4 X OUT WVB 4
19 573GD LED1 QLED ASS VER WVB 1
20 2EDGRC-5.08-02P-14-100A(H) J201,J202 CONN-TH_2EDGRC-5.08-02P-14-100A(H) 2
21 10K R202,R203 RES-TH_BD2.2-L6.5-P10.50-D0.9 2
22 1.5K R201 RES-TH_BD2.2-L6.5-P10.50-D0.9 1
23 KBP307 B201 KBP_4P-L14.8-W3.8-P3.85-L 1
24 100nF C204 CAP-TH_L5.0-W2.5-P2.54-D0.7 1
25 EL6N137 U201 DIP-8_L9.8-W6.6-P2.54-LS7.6-BL 1
26 Quad LED assembly L201 QLED ASS VER WVB 1
27 470 ohm R221,R231,R241,R251 BXXXJ - 8 PIN 4
28 100 ohm R223,R233,R243,R253 BXXXJ - 8 PIN 4
29 470 ohm R225,R235,R245,R255 AXXXJ - 5 PIN 4
30 1k ohm R224,R234,R244,R254 AXXXJ - 5 PIN 4
31 10k ohm R222,R232,R242,R252 AXXXJ - 5 PIN 4
32 PC814/PC824/PC844 OC221,OC231,OC241,OC251 DIL16 PAD WVB 4
33 LED GREEN L221,L231,L241,L251 QLED ASS HOR WVB 4
34 LED BLUE L222,L232,L242,L252 QLED ASS HOR WVB 4

Attachments

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