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I remember back to past. I bulit Minimum system use IC ATMEGA 16. for general purposes education. such as BlinkenLight LED, or simple Digital Display Like Digital Counter or Digital Clock Project. Category DIY because this board have large grid (2,54mm) and large line track 1mm so easy to build with ordinary ironsolder by yourself

this time 2019 i need to redesign with standar connection USBASP ( eliminate mistake when use SIL6 )

i dare to you to create slim shield use universal PCB 3x7cm as shield. please Download and improve my design .