2*2 universal op amp board op amp hole board universal version 2x dual op amp

A perforated board for building op amp circuits. Two dual op amps can be installed. Both dual op amps are connected to positive and negative power supplies and decoupling capacitors. Each pin of the op amp leads to 10 connected pads. The power supply can be connected from the terminal block and the power pin header.
 
A Schottky diode is reversely connected in parallel to the power supply to prevent reverse connection. If it is reversely connected, the power supply will be short-circuited to prevent reverse voltage from being applied to the chip (use a power supply with short-circuit protection, most switching power supplies, DCDC modules and three-terminal voltage regulators have them). Schottky diodes must be used, and the conduction voltage drop must be lower than the reverse conduction voltage drop of the chip to be effective. There will be no effect when the connection is normal. It has been measured that this can save many times when I feel drowsy after four days and three nights of electric competition.
 
There are also some empty pads that are not connected (rows of silkscreen annotations GP), which are used like a perforated board. Other devices are connected to the empty pads and the pads connected to the op amp to facilitate the formation of various op amp circuits.
 
Usage examples. (It has been a long time since I found a clear photo of it, please forgive me)
This design was used in my 2021 e-sports competition and played an important role. The middle one in the picture below is it.