| Bulk Pricing | ||
|---|---|---|
| QTY | Unit Price(Inlc. GST) | |
| 10+ | ₹117.22 ₹ 99.34 + 17.88 GST | |
| 25+ | ₹116.03 ₹ 98.33 + 17.7 GST | |
| 40+ | ₹114.24 ₹ 96.81 + 17.43 GST | |
| 50+ | ₹113.05 ₹ 95.81 + 17.25 GST | |
Easily integrate high-quality audio into your next build! The DFPlayer Mini supports MP3, WAV, and WMA formats, features a built-in 3W amplifier to directly drive a speaker, and interfaces seamlessly via simple UART serial commands.
Hardware Audio Decoding & Storage Playing audio directly from an Arduino is incredibly processor-intensive and often results in low-quality, 8-bit scratchy sounds. The DFPlayer Mini bypasses this limitation entirely. It contains a dedicated decoding chip that supports standard MP3, WAV, and WMA formats. Audio files are read directly from a MicroSD card (up to 32GB, formatted in FAT16 or FAT32). You simply drop your sound files into designated folders, and the module handles the heavy lifting of reading and playing the digital audio streams.
Integrated 3W Amplifier & Dual Outputs This module features a highly versatile dual-output architecture. For compact projects, you can wire an 8-Ohm speaker (up to 3 Watts) directly to the SPK_1 and SPK_2 pins. The onboard amplifier provides surprisingly loud and crisp audio for its size. If your project requires massive stadium sound or private listening, you can bypass the amplifier and use the DAC_R and DAC_L pins to feed a clean stereo line-level signal directly to a headphone jack or a heavy-duty external amplifier.
Versatile Control Modes (UART, I/O, AD Key) While most users control the DFPlayer Mini via standard UART Serial (TX/RX lines at 9600 baud) using an Arduino or ESP32, it doesn't actually require a microcontroller to function!
UART Mode: Send precise hex commands to play specific tracks, change the EQ, or loop folders.
I/O Mode: Connect simple push-buttons to the IO_1 and IO_2 pins for simple "Previous/Volume-" and "Next/Volume+" control.
AD Key Mode: Use a resistor ladder connected to the ADKEY_1 and ADKEY_2 pins to control up to 20 different functions (Play, Pause, Track 1-5, etc.) using only two analog pins, making it perfect for standalone soundboards.
Specifications
Input Voltage (VCC): 3.2V to 5.0V DC (Standard 4.2V - 5V recommended)
Supported Formats: MP3, WAV, WMA
Supported File Systems: FAT16, FAT32
Maximum Storage: 32GB MicroSD Card
Audio Output: Integrated 3W Mono Amplifier (Speaker), Stereo DAC (Line-out)
Communication: UART Serial (9600 bps)
Pin Pitch: Standard 2.54mm (Breadboard compatible)
Key Applications and Projects
Interactive Cosplay & Props: Build a standalone soundboard hidden inside a replica sci-fi weapon or armor suit to trigger blast sounds and mechanical servo noises.
Smart Home Voice Alerts: Move beyond standard buzzers. Have your system actually announce "Warning: 3D Print Complete" or "Front Door Opened."
Custom Alarm Clocks: Create a personalized alarm that plays your favorite high-quality MP3s or a sequence of motivational voice lines to wake you up.
Public Address Systems: Trigger pre-recorded announcements in museums, escape rooms, or interactive art exhibits using motion sensors tied to an MCU.
Unlock New Capabilities (Project Evolution) The IoT Escalating Intruder Deterrent: Upgrade a standard home security system using an ESP32, a PIR motion sensor, and the DFPlayer Mini hooked to an external PA amplifier. When motion is detected, the ESP32 tells the DFPlayer to play a polite "Hello, you are being recorded" track. If the PIR sensor continues to detect motion 10 seconds later, the ESP32 commands the DFPlayer to switch to a loud, aggressive barking dog audio file, and finally triggers a deafening siren track while sending a Telegram alert to your phone via WiFi.
Package includes:
Q: What voltage does the DFPlayer Mini run on? It operates safely between 3.2V and 5.0V DC. If you are powering it with exactly 5V, it is recommended to ensure your power supply is stable, especially if driving a speaker directly.
Q: Why does my microcontroller keep resetting when the audio plays? Driving a speaker takes a significant amount of current. If you power the DFPlayer Mini from the 5V pin of your Arduino/ESP32, the sudden current draw when a loud sound plays can cause a voltage drop, browning out the microcontroller. Always power the DFPlayer from a robust, dedicated power supply if using a speaker.
Q: Why is there a buzzing or popping noise in my audio? This is a common issue caused by UART communication noise on the RX line. To fix this, place a 1k Ohm resistor in series between your microcontroller's TX pin and the DFPlayer's RX pin.
Q: How do I need to format my MicroSD card? The card must be formatted to FAT16 or FAT32. ExFAT or NTFS will not work. 32GB is the maximum supported size.
Q: How should I name my audio files and folders? For reliable UART control, create a folder named mp3 on the root of your SD card. Inside, name your files numerically, starting with 0001.mp3, 0002.mp3, 0003.mp3, etc.
Q: What does the BUSY pin do? The BUSY pin is a highly useful indicator. It outputs a LOW signal while an audio track is currently playing, and returns HIGH when playback stops. You can wire this to an Arduino digital input to trigger actions (like blinking lights) perfectly synchronized to when audio is playing.
Q: Can I use this with an ESP32 or Raspberry Pi Pico (3.3V Logic)? Yes. While the DFPlayer is typically powered at 5V, its serial lines can handle 3.3V logic. However, to be completely safe and reduce noise, use a 1k resistor on the DFPlayer's RX line to step down the voltage, or power the DFPlayer module itself closer to 3.3V if you aren't heavily driving the internal amplifier.
Q: Do I connect my speaker to the DAC pins or the SPK pins? Connect passive 8-Ohm speakers (up to 3W) directly to the SPK1 and SPK2 pins. Do NOT connect a speaker to the DAC pins. The DAC_R and DAC_L pins are low-level outputs meant for headphones or feeding into an external amplifier (like a PAM8403).
Q: What is the baud rate for UART communication? The default and required baud rate for serial communication with this module is 9600 bps.
Q: Can I use this without coding an Arduino? Yes! You can use "I/O Mode" by simply wiring tactile push-buttons from the IO_1 and IO_2 pins to Ground. A short press skips tracks, and a long press adjusts the volume.
Q: What do the USB+ and USB- pins do? These pins allow the DFPlayer to act as a USB mass storage device. If wired to a USB connector and plugged into a PC, you can read and write files directly to the inserted MicroSD card without removing it from the module.
Q: Is it possible to loop a single sound seamlessly? Yes, via UART commands, you can instruct the module to loop a specific track, loop an entire folder, or loop all contents on the SD card indefinitely.
Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in
We delivery electronics components and parts throughout India using standard couriers like Bluedart, Delhivery & India Post.
For order related queries contact -
Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in
We offer specialized services for Bulk, Wholesale & B2B Customers like discounted prices, additional shipping options, customised products, etc . Customer with large quantity & regular orders qualify for the specialised discounted rates.
We also offer dedicated sales team to assist you with the order process by providing sales quotations, PI, technical support for choosing products, etc.
Note: Business Orders are processed manually and usually take 1-3 days to process compared to placing the order directly on our website. Please plan your purchases accordingly.
Need Help?
For bulk enquiries contact us by -
Probots Electronics is highly regarded for its highly skilled team and knowledgeable staff who provide expert guidance to ensure customers select the right components for their technical projects. The business maintains a strong reputation for prompt service and reliable support, with many clients praising their quick response times and genuine commitment to customer satisfaction.
It was good experience
Staff is very patient and helpful
One of the best place for electronics you will get everything you want! With the best and orginal quality
Very helpful staff and the best place to buy components for projects
Wonderful store with expert service and technically strong people.
Prompt delivery, excellent technical support
Large inventory of electronic components and parts. Well trained service personnel and technicians who can quickly identify and rectify product defect if any. They are a reliable and trustworthy online stores.
Excellent and prompt service
Excellent and prompt response, great and Quality product... All the best... Thank you
I got the thing that was taking the whole Bangalore to search for here
Excellent attitude and prompt service by Bharath. Saved me a trip to SP Road while having ample time to explore new products. Ended up buying much more than what i had originally envisaged. Hope to engage more often and upgrade my skills. God bless
We are into electronics & mechanical projects in this connection we had contacted probots & we visited them , To our pleasant surprise , their presentation with us was friendly wrapped with professional support , which helped us to choose better , this interaction was patient & excellent .with all confidence i shall promote them to my known sources looking for components . Pls maintain this attitude towards customer this shall take your organization to heights
Great place to get all electronic components and accessories for electronic products.
Fast Delivery, Accurate information, Quick resolution, most important acceptance & accountability and willingness to help.
Friendly staff but Too costly, price is 2x as compared to SP road.
It was good experience
Staff is very patient and helpful
One of the best place for electronics you will get everything you want! With the best and orginal quality
Very helpful staff and the best place to buy components for projects
Wonderful store with expert service and technically strong people.
Prompt delivery, excellent technical support
Large inventory of electronic components and parts. Well trained service personnel and technicians who can quickly identify and rectify product defect if any. They are a reliable and trustworthy online stores.
Excellent and prompt service
Excellent and prompt response, great and Quality product... All the best... Thank you
I got the thing that was taking the whole Bangalore to search for here
Excellent attitude and prompt service by Bharath. Saved me a trip to SP Road while having ample time to explore new products. Ended up buying much more than what i had originally envisaged. Hope to engage more often and upgrade my skills. God bless
We are into electronics & mechanical projects in this connection we had contacted probots & we visited them , To our pleasant surprise , their presentation with us was friendly wrapped with professional support , which helped us to choose better , this interaction was patient & excellent .with all confidence i shall promote them to my known sources looking for components . Pls maintain this attitude towards customer this shall take your organization to heights
Great place to get all electronic components and accessories for electronic products.
Fast Delivery, Accurate information, Quick resolution, most important acceptance & accountability and willingness to help.
Friendly staff but Too costly, price is 2x as compared to SP road.
● 9 min readPrecision ToF LiDARs – Vol 44 – Probots Expert Lab Briefing Workbench Vol. 44 🚀 The Project Trifecta: 3 Builds to Start Today We don’t just stoc
Read Article →
● 13 min read⚠️ LEGAL & SAFETY WARNING (INDIA) Legal Metrology Act, 2009 Compliance: Any weighing instrument used for commercial transactions in India must be
Read Article →
● 21 min readVol. 53 | Escaping the Microcontroller Maze You’ve got a brilliant idea, a fresh cup of coffee, and three browser tabs open staring at completel
Read Article →
