1.5 KiB
1.5 KiB
More information in blog:
http://www.40percent.club/search/label/gnap Scroll down and read the older posts first.
BOM for PCB
1 Pro Micro (5v, 16MHz)
2 12pin SIP headers or a 24 pin socket
47 1n4148 diodes
47 switches
1 mini USB connector Molex part 54819-0519
1 cut up micro USB cable
Needed in addition if you want LEDs
1 Pro Micro (5v, 16MHz)
2 12pin SIP headers or a 24 pin socket
47 LEDs, Use the brightest possible, LEDs will be on only 1/12th the time at full brightness due to matrix scanning.
4 Resistors for LEDs. Use online LED caculator to choose value. Target 10ma output.
Needed for GNAP 2.0
1 Cherry PCB mount 2U stabilizer
EasyEDA ordering info:
1.2
238.1mm Max* 76.2mm Max;
Layers: 2;
PCB Thickness: 1.6mm;
PCB Qty.: 5;
PCB Color: Blue;
Surface Finish: HASL;
Copper Weight: 1;
Panelized PCBs: 1
1.2 Changes
Added Mini USB connector
Added mounting holes
2.0
242.9mm Max* 81mm Max;
Layers: 2;
PCB Thickness: 1.6mm;
PCB Qty.: 5;
PCB Color: Blue;
Surface Finish: HASL;
Copper Weight: 1;
Panelized PCBs: 1
2.0 Changes
More mouting holes
PCB mount cherry stabilizer
Removed split space bar switches
Gerber files released under https://creativecommons.org/licenses/by-sa/4.0/
