鼠标单击开关切换开合状态
闭合任意一个开关可使电路断开
https://cc.xiaogd.net/?startCircuitLink=https://book.xiaogd.net/code-hlchs-examples/assets/circuit/code-hlchs-ch11-19-nor-gate-by-relay.txt
https://cc.xiaogd.net/?startCircuitLink=https://book.xiaogd.net/code-hlchs-examples/assets/circuit/code-hlchs-ch11-20-nor-gate.txt
注: 此处输入开关默认设为了常闭状态
https://cc.xiaogd.net/?startCircuitLink=https://book.xiaogd.net/code-hlchs-examples/assets/circuit/code-hlchs-ch11-21-nand-gate.txt
鼠标单击逻辑输入切换 0|1 状态
https://cc.xiaogd.net/?startCircuitLink=https://book.xiaogd.net/code-hlchs-examples/assets/circuit/code-hlchs-ch11-22-buffer.txt
