We’ll be using this module to detect light or dark and monitor the output of LDR op-amp sensor module using Arduino Serial Monitor. Components required 1. Arduino UNO x1 2. LDR x1 3. Resistors 330Ω x2 ...

Light Following Robot Circuit Diagram. We're diving into the hardware side of the Light Following Robot project, and things are getting exciting. Below is the circuit diagram for this project: The LDR ...

So, you can easily make this home automation project at home just by using an ESP32 and relay module. Or you can also use a custom-designed PCB for this project. This is the complete circuit diagram ...

Circuit and working. Circuit diagram of an LED as a light sensor is shown in Fig. 1. It is built around op-amp CA3140 (IC1), transistors BC547 (T1) and BC337 (T2). Fig. 1: Circuit diagram of an LED as ...