query: Checking how many inputs (reed switches) are active using minimal GPIO pins
positive_passages.docid: 21749
positive_passages.text: Creating a keyboard with a microcontroller, do I need an input pin for each key?
negative_passages.docid: 121863
negative_passages.text: Selecting a MOSFET for driving load from logic
negative_passages.docid: 81120
negative_passages.text: Counter with 4 flip flops jk synchronous from 3 to 13!
negative_passages.docid: 154111
negative_passages.text: Max. switching current in relay
negative_passages.docid: 69035
negative_passages.text: Determining current in a branch having no resistor
negative_passages.docid: 34182
negative_passages.text: Making a logic circuit with only NAND GATES?
negative_passages.docid: 149327
negative_passages.text: How can I implement an n-bit Toffoli gate?
negative_passages.docid: 36776
negative_passages.text: Input impedance of Arduino Uno analog pins?
negative_passages.docid: 71694
negative_passages.text: How to calulate mosfet response time with load?
negative_passages.docid: 64282
negative_passages.text: How to interface a SPST switch with minimal current (1µA)?
negative_passages.docid: 88096
negative_passages.text: Input current for boost converter
negative_passages.docid: 143932
negative_passages.text: Need help reading mosfet Safe Operating Area graph
negative_passages.docid: 27342
negative_passages.text: Is this circuit for Piezo Transducer and corresponding resistor values correct?
negative_passages.docid: 22964
negative_passages.text: Determine whether Logic Board has actually been replaced
negative_passages.docid: 37578
negative_passages.text: How to measure voltage of a floating GPIO (Raspberry Pi)
negative_passages.docid: 85089
negative_passages.text: Comparator output not fully switching on MOSFET
negative_passages.docid: 113959
negative_passages.text: Using a transistor as a switch