Electronic Dice – Circuit and Working. Fig. 5 shows the circuit diagram of the e-dice, built around ESP32 board, 3-to-8 decoder (IC74LS138 – IC1), Three-input OR gate (4075 – IC2), Five-input NOR gate ...

Circuit Diagram. To control 5 LEDs using an ESP32, the LEDs are connected to specific GPIO pins on the ESP32, with each LED corresponding to a unique hand gesture. The positive terminal (anode) of ...

The PMW3901 is a small, low-power optical flow sensor that measures movement by analysing surface patterns. It is widely used in robotics, drones, and automation to estimate position changes without ...

Features of ESP32 and Blynk IoT Cloud ESP32 Key Features. Microcontroller: o Dual-core Xtensa LX6 processor with up to 240 MHz clock speed. Connectivity: o Wi-Fi: 802.11 b/g/n. o Bluetooth: ...

RX Communication Light: Blinks when the module receives data from the master device (e.g., Arduino, ESP32). Circuit Diagram & Connections Connect the PZEM-004T’s 5V and GND to ESP32’s 5V and GND for ...

This paper presents a Smart Street Lighting System using IoT technology. The project aimed to reduce energy consumption by enabling the lights to turn on only when needed. The system comprised an ...