Not too complex, but just enough to make mounting parts and soldering connections easy. It’s the BusBoard Prototyping Systems PR2H2 solder protoboard, with just 2 holes per segment.

Features:

• ProtoBoard-2H has a general purpose stripboard circuit pattern that is pre-cut with 2 holes per segment.
• 2.54mm (0.1″) hole spacing for DIP integrated circuits and headers.
• BusBoard Size Factor 2 is 1/2 the size of a standard 3U size VME board.
• Four mounting holes for enclosure attachment.

Specifications:

• Size Factor 2 = 100 x 80mm (3.94 x 3.15″), 1.6mm (1/16″) thick
• Etched FR4 glass-epoxy circuit board.
• Single sided, 1oz/ft 2 copper with an anti-tarnish coating for easy soldering. Lead free and RoHS compatible.
• Holes are drilled on 2.54mm (0.1″) centers.
• 0.94mm (0.037″) holes sized for ICs or square post headers.
• 31 x 39 holes (1209 total). Four 0.125” mounting holes.