Feature:1. Reasonable Circuit Design: The PCB of the answerer training kit chooses the best FR4, the circuit design is reasonable, and the component identification is clear at a glance.2. Circuit Includes: Digital answerer experiment kit circuit includes answering, encoding, priority, toggle, digital display and reset circuit.3. Digital Circuit: The electronic kit circuit design adopts the time base circuit and decoding drive widely used in digital circuits.4. Scope of Application: Answerer training kit can be used for electronic skills competitions, electronic skills assessment, electronic training tutorials, etc.5. Plastic Material: The DIY learning board kit uses high quality and sturdy plastic materials, wear resistant and durable, and can be used for a long time.Specification:Item Type: CD4511 Electronic DIY KitMaterial: PlasticCircuit Includes: Answering, Coding, Priority, Toggle, Digital Display and Reset CircuitPurpose: The 8 channel digital display responder is a product specially developed for the spot check of electronic assembly and debugging skills. The circuit design adopts the time base circuit and decoding drive widely used in digital circuits.Application: It can be used for electronic skills competition, electronic skills assessment, electronic training tutorials, etc. PCB chooses the best FR-4, the circuit design is reasonable, and the component identification is clear at a glance.Package List:1 x CD4511 Electronic DIY Kit (43 Piece )