This shadow detector circuit operates using two LDRs and effectively detects the difference between the light levels and triggers a loud audible warning siren. In circuits which uses a single […]
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Analogue Water Flow Sensor/Meter Circuit – Check Water Flow Rate
The post explains a simple water flow meter/sensor circuit using hall effect sensor and a pulse counter circuit. Referring to the diagram shown below, we can see an arrangement consisting […]
Municipal Water Supply Sensor Controller Circuit
The post explains a simple water sensor with pump starter circuit for switching a pump motor during municipal water supply periods. The idea was requested by Mr. Hitesh Thapa. Technical […]
Non-Contact Current Sensor Circuit Using Hall-Effect IC
In this article we learn about a simple non-contact current sensor circuit using a hall effect sensor IC. Why Hall Effect Sensor When it comes to sensing current (Amps) linear […]
Linear Hall-Effect Sensor – Working and Application Circuit
Linear Hall-effect ICs are magnetic sensor devices designed to respond to magnetic fields to produce a proportionate amount of electrical output. It thus becomes useful for measuring the strength of […]
TSOP1738 Infrared Sensor IC Datasheet, Pinout, Working
Video showing the Testing of TSOP1738 with 38 kHz Frequency The TSOP17XX series of ICs are infrared sensor devices designed for sensing infrared frequencies only with a specific range of […]