LED Ceiling Lamp with Microwave Radar Sensor Module AC 220V Product model: YX-3012 Work voltage: AC 180V-240V The sensor works very well, but unfortunately we cannot change the delay time of the light. Don’t worry, we can modify the sensor …

LED Light with Motion Sensor Read more »

Microwave Radar Sensor Module AC 220V LED Ceiling Lamp

DFplayer  module is quite small and looks good for little project. The module read only audios in MP3 and WAV formats and all audio files must be placed under /mp3 folder. It’s required that files are named like 0001.mp3, 0002.mp3…..0255.mp3 …

DFPlayer and Arduino Read more »

The IR signal is a series of IR light pulses which are modulate with a high frequency known as the carrier frequency. The carrier frequency used by most transmitters is 38 kHz. The IR receiver has a bandpass and filtered …

Set up an IR Receiver on a Arduino Read more »

Before I start, let’s of a quick review about the differences between DHT22 Temperature and Humidity sensor and DS18B20 Temperature sensor 1-Wire. (DHT22 vs. DS18B20) سنسور دما دیجیتال DS18B20,  سنسور رطوبت و دما DHT22, دماسنج NTC   DHT22 is a …

DS18B20 & LCD 128×64 Read more »

Make a clock with DS1307 real clock module and 1602 16×2 LCD panel with back-panel to convert it to I2C protocol. (I2C راه اندازی با) The time and date will be displayed in alphanumeric on LCD. Device: LCD 1602 with …

Clock with LCD 1602 & DS1307 Read more »

The DCF77 signal is a puls-signal with AM modulation with carrier frequency 77.5kHz. It has a small bandwidth. The carries include time and date information and will be transmitted in a simple binary-coded format by on-off modulation of the carriers.  (100ms/200ms) …

DCF77 Signal with Arduino Read more »

Making a ring wall clock with 1-meter long WS2812B LED strip with 60 RGB LEDs.  (ماژول LED RGB WS2812) LED WS2812 حلقه یا RGB LED WS2812b پنج متری    For clock I used a DS1307, which contains a real-time clock. Driver IC: …

WS2812b & DS1307 with Arduino Read more »