this is regarding usage of SENSOR_VP and SENSOR_VN pads on esp8266.is it possible to detect a capacitance connected to above pin in the range of 1~2 pF.Kindly let me know if any other method suitable to measure capacitance in the range of 1~2 pF Re: ESP8266 SENSOR_VP, SENSOR_VN...
I am trying to use sensor_vn and sensor_vp as input, with values coming from an adc chip (which uses data and clock pins). I haven't added any pullup or pull down resistors. looking through the forum I have found and implemented this code. I am aware the bug about gpio39 firing ...
(SENSOR_VP_GPIO, INPUT); pinMode(SENSOR_VN_GPIO, INPUT); } long time = 0; int ticksA = 0; int ticksB = 0; bool lastA, lastB; void loop() { long now = millis(); bool newA = digitalRead(SENSOR_VN_GPIO); bool newB = digitalRead(SENSOR_VP_GPIO); if(lastA && !newA) //...
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E3FB-VN11 Type Photoelectric Sensor Series E3FB Place of Origin China Brand Name CHIIB Theory optical proximity sensor Output NPN PNP NO NC Mounting Type threaded installation Sensing distance 10-50MM Connection 2m PVC Cable Standard targe Opaque object Protection degree IP67 Housing material ...
E3FA-VN11 Type Photoelectric Sensor Series E3FA Place of Origin China Brand Name CHIIB Theory optical proximity sensor Output NPN PNP NO NC Mounting Type threaded installation Sensing distance 10-50MM Connection 2m PVC Cable Standard targe Opaque object Protection degree IP67 Housing material ...
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Type:Inductive Proximity Sensor;Use:Position Sensor;Place of Origin:ZHE;Theory:Inductance Sensor;Brand Name:yio;Model Number:OM18-K550VP6Q OM18-K600VN6/VP;Mounting Type:Thread assembly;Output:NPN or PNP NO or NC;Features:cylindrical;Description:Cylindric