Self-locking electronic circuit tester with built-in portable power distributor

Self-locking Breadboard with Built-in Portable Power Distributor (BBPPD) (200), (300), (400), (500), (600) comprising a breadboard (510), (610) electrically connected to a Power Distribution Unit (PDU) (515), (615) wherein the PDU (515), (615) comprises a power input and output with two conductive lines configured for supplying voltage and ground at least to the breadboard (510), (610), the breadboard (510), (610) comprises at least one array (260) placed on an external surface of the BBPPD (200), (300), (400), (500), (600), wherein the at least one array (260) comprises cells, wherein the cells are sockets for terminals of electronic components, and wherein BBPPD (200), (300), (400), (500), (600) is characterized in that:

• the BBPPD (200), (300), (400), (500), (600) is configured for connecting to an external breadboard (580) using integrated locking means;
• the PDU (515), (615) is part of the breadboard (510), (610);
• the power input includes a socket (252) electrically connected to the PDU (515), (615) and configured for receiving a first voltage and a ground from an external power supply device and for providing the first voltage and the ground to the PDU (515), (615);
• the locking means are non-electrically connected to the breadboard (510), (610), the PDU (515), (615) and the socket (252);
• and
• PDU (515), (615) is configured for optionally generating a second voltage from the first voltage and for providing the first voltage or the second voltage and the ground to the breadboard (510), (610).