Ideally, something like this, but programmable&#x2F;hackable: <a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;gp&#x2F;product&#x2F;B00MNG37C2&#x2F;ref=s9_simh_gw_g21_i1_r?pf_rd_m=ATVPDKIKX0DER&amp;pf_rd_s=desktop-1&amp;pf_rd_r=01GMYMFRR2QNC3AT5DG0&amp;pf_rd_t=36701&amp;pf_rd_p=2079475242&amp;pf_rd_i=desktop" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;gp&#x2F;product&#x2F;B00MNG37C2&#x2F;ref=s9_simh_gw_g...</a>