a simple way to solve nexus 7 charging problem(docking desk!)

i got idea from this webpage :http://recyclops.co.uk/articles/_Nexus-7-DIY-Dock_ST0x.ghtml ,so i decided use a much simpler method to get my nexus charged.you d better read that webpage  before you try my method

tips:

1.red wire touches the  dot 4(positive electrode),black wire touches the dot 1(negative electrode)

2.use Transparent tape get the wire attached to side of desk

3.by moving nexus closer or further to wires extremity to get a stable connecting

If you found my method useful,please let me know by leave a comment .