I have put some Arduino PCBs to manufacture according to my protoboard. I have made a 12V to 5V converter and used transistors to transmitt signal. On RPM pins i put one pin to GND and the second one ...

This project involves designing and constructing a digital tachometer using an Arduino Nano. The tachometer measures the rotational speed of a motor or any rotating object and displays the RPM ...

The nano sensor interface presented below is a microcontroller-based universal sensor interface with a power-saver mechanism. The idea, centered around an Arduino Nano (v3) microcontroller, was ...

Smart Blind Stick using Arduino Circuit Diagram. The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the ...

Arduino Motion Sensor – Circuit and Working. The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a ...

The Arduino Nano 33 BLE Sense Rev2 sells for $40.50 / 38.21 Euros without headers and $43.50 / 41.04 Euros with headers. That’s quite a steep price increase over four years since the original Arduino ...

Note: Arduino Nano board and Amphenol Humidity and Temperature sensor was purchased from digikey for this project. When we turn on the circuit, soil moisture sensor starts measuring the water level in ...

Arduino Plant Watering Kit content: Arduino Nano RP2040 Connect board (ABX00053) with Raspberry Pi RP2040 MCU, ESP32 module for WiFi, and Bluetooth LE connectivity. Arduino Nano Screw Terminal Adapter ...

Arduino based Fire Alarm – Circuit and Working. Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...

Arduino has bought out second revisions of its Nano 33 BLE and Nano 33 BLE Sense bluetooth-equipped microcontroller boards, keeping the sensor mix, but changing several of the sensor ICs. The nRF52840 ...