4x4 Matrix Membrane Keypad for Arduino, NodeMCU, Wemos By KPRAppCompile
คุณสมบัติเด่น / รายละเอียดสินค้า:
| 4x4 matrix keyboard: | Contact resistance of 500 ()Insulation resistance 100M ()Key Operating Force 150-200NRebound time 1 (ms)Life of 100 million (times)Operating Temperature 60 ()1, the electronic characteristicsCircuit Rating |
