K054

ATOM SPK SKU:K054 Description ATOM SPK is an audio player that adapts to the ATOM master control, with built-in I2S digital audio interface power amplifier chip NS4168, with automatic sampling rate detection, adaptive functions, and can effectively prevent audio signal distortion. Integrated TFCard card slot is convenient for saving and reading audio files. Provide 3.5mm headphone jack and external speaker interface, users can play audio through external headphones or speakers. ATOM SPK Some IO conflict with ATOM Matrix's built-in hardware, so ATOM SPK is only applicable to ATOM LITE Product Features Power amplifier chip NS4168 I2S serial digital audio input interface Support a wide range of sampling rates: 8kHz~96kHz Automatic sampling rate detection, adaptive function TFCard slot Headphone jack Speaker interface Contains 1x ATOM Lite 1x ATOM SPK 1x 1W Speaker 1x M2 HEX KEY 1x M2*8 cup head machine screw 1x TYPE-C USB Cable(20cm) Application Audio player Bluetooth audio WiFi speaker Specifications Specifications Parameters Power amplifier chip NS4168 Amplifier output power 1W(VDD=3.3V) Headphone jack 3.5mm Speaker interface 1.25mm-2P Speaker power 1W Net weight 18.6g Gross weight 37g Product size 24*48*18mm Package size 54*54*20mm EasyLoader EasyLoader is a simple and fast program burner, which has a built-in product-related case program, which can be burned to the main control through simple steps to perform a series of functional verification. Download Windows Version Easyloader ? Description: Press the middle button of ATOM to play a short audio. Related Links Datasheet NS4168 Pin mapping TFCard ATOM G23 G33 G19 TFCard SCK MISO MOSI ATOM G22 G21 G25 NS4168 BLCK LRCLK DATA NS4168 Schematic NS4168 is a mono audio power amplifier(the right channel is used by default in the ATOM SPK hardware design) Example ATOM SPK Play RawPCM ATOM SPK Play MP3 From TFCard Use ATOM SPK to play RawPCM files or MP3, the case is suitable for master: ATOM Lite. AtomSPK.h - API //Init I2S param(__rate: I2S sampling rate) bool begin(int __rate = 44100); //Play RawPCM param(___audioPtr: audio data pointer, __size: data length, freeFlag: whether to release the memory, __ticksToWait: allow the maximum duration of blocked playback) size_t playRAW( const uint8_t* __audioPtr, size_t __size, bool __modal = false, bool freeFlag = true,TickType_t __ticksToWait = portMAX_DELAY ); //play Beep param(__freq: frequency, __timems: play market, __maxval: maximum volume, __modal: asynchronous or not) size_t playBeep( int __freq = 2000, int __timems = 200, int __maxval = 10000, bool __modal = false );