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Message: <blockquote data-quote="Ranjib" data-source="post: 3520313" data-attributes="member: 67835">The one in the above image is the very first version of the controller. Its using a wooden handmade housing (Im really bad at wood works), it powers one of my pico (fluval spec III). Here are some details:- Main controller board: raspberry pi 2- 8 channel sain smart relay, two of them are connected to two perstaltic pumps (mounted at right side of the housing), they are used of dosing/ATO- There are 6 110V AC outlet mounted at the bottom. Return, powerhead (coralia pico evolution), stock LED, heater all are connected to the AC sockets.- In the front, it has a 7" LCD screen (from Adafruit), can be switch on/off using the controller UI.Below is the image of internals of the housing, Note: I have gutted a 6 port extension to repurpose its surge protection electronics. It also had two 5V 1 A USB outlets, which i use to power the raspberry Pi as well as the display. The ancillary breadboard on front panel hosts a MCP3008 and an L293D IC for sensor and high voltage PWM controls[ATTACH=full]476476[/ATTACH] [ATTACH=full]476477[/ATTACH]</blockquote>