Based on this, the module can be controlled via the standalone mode, that is, in this mode, there will only be the DFMini module, a battery to power, the speaker, buttons to control it and the SD Card with the songs. Another way to control it is to use an Arduino or another cont...
In order to have the Arduino access the LEDs, you have to build a small circuit on a solderless breadboard. The breadboard has two parts: the inner rails (which run width-wise) and the outer rails (which run length-wise). The rails are electrically connected along their lines, so you c...
Now let’s learn how to interface a servo motor with Arduino. Circuit diagram: The wiring is easy and self-explanatory. You need external power supply if you are using a bulky servo motor. If you try to power from arduino power’s supply you will end-up overloading the USB port on t...
You will need this to know how to hook up the display to the arduino board. Note- Even though many different types of 7 segment LED displays follow the above schematics, it is not guaranteed. The best way to know the connections is to obtain the datasheet for the LED display in use o...
Basically, any circuit that needs to be triggered by sound can be done with a microphone as input into an arduino. How this circuit works is through the use of a microphone. We will use a microphone to be able to detect sound. But a microphone alone is insufficient for this circuit. Th...
This project guides you through designing, 3D printing, assembling, and finishing a custom Bluetooth speaker with a wood-like finish and great sound quality.
Smart homes use smart devices (from lightbulbs to alarms and more) that connect to a network over Wi-Fi. These devices can then be controlled from anywhere, anytime using an app on your phone. What smart home devices work with Alexa? There are many devices and home components that are ...
Untitled ESP32-C3 board with 0.42″ OLED display Onboard display (the cutest thing ever): 72×40, I2C (SCL: 5, SDA: 6) Onboard LED: GPIO 8 Note: The display on this board seems to work better with Arduino IDE (select “ESP32C3 Dev Module”) rather than MicroPython. Use the u8g...
You can use it both for building simple things likea blinking LED– and advanced stuff like building an internet-connected robot. With Arduino, it’s simple to build really cool electronics projects without learning a bunch of theory. And it’s fun!
Or you may omit the speaker and use the headphone jack instead, using an adapter to attach a speaker. The speaker output pins deliver a whopping 1/8 Watt into 8 ohms or 1/4 watt into 4 ohms. The headphone jack has a slightly more powerful output. You’ll have to pipe your output...