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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) //...
VP02EP warranty 10-365days Packaging and delivery Packaging Details box Port shenzhen Supply Ability Supply Ability 1000 Pack/Packs per Day Lead time Know your supplier Shenzhen Dianhuitong Network Technology Co., Ltd. 5 yrsLocated in CN
410VP 传感器是四电极电导率传感器。该传感器具有宽广的动态测量范围,因此非常适合测量 CIP 应用中的电导率。
InPro7001-VP (2-electrode sensor, for pure and ultrapure water applications)Mettler-Toledo International Inc. all rights reserved
规格- 电导率传感器 VP 3.1 1.5Tri 0.1C SS VP 工作范围(µS/cm) 0.02 – 2,000 温度传感器 PT 1000 电极常数 0.1 cm-1 连接 VP (IP 68) , 1.5" 卡盘连接 连接器 VarioPin 材质证书 EN10204 3.1 & USP <88> Class VI 测量技术 导电 ...
Type 1:sensor VPB1MNA-1;Type 2:proximity sensor VPB1MNA-1;Type 3:inductive proximity sensor VPB1MNA-1;Type 4:Capacitive proximity sensor VPB1MNA-1;Type 5:inductive proximity sensor VPB1MNA-1;Type 6:photoelectric sensor VPB1MNA-1;Type 7:level sensor VPB1M