Each Tympan unit comes fully tested and programmed with a basic firmware sketch so you can get started right out of the box. 

RevD Specs:

• Teensy 3.6 Processor
• NXP 180MHz ARM 32 Processor with Floating Point Unit
• Arduino Compatible
• Teensy 3.6 System integrated into Rev D PCB
• CODEC
• Low Power 32 bit TLC320AIC3206
• Bluetooth
• Sierra Wireless BC127 Bluetooth Radio Module
• Provides high-quality audio
• Concurrent BLE and Bluetooth Classic
• 2 On Board Knowles MEMS Microphones
• 3.5mm Audio jacks for external microphone and speakers/headset
• Optional Line In/Out pins broken out
• microSD card slot for audio recording and data logging
• Additional Pins Broken Out
• I2S bus for additional CODEC
• SPI bus
• UART (TX/RX)
• I2C bus
• LiPo battery (included) and USB charging circuitry
• Arduino IDE Compatible 

We do NOT include an external microphone or headphones. Our 3.5mm jacks are compatible with standard audio devices. 

Tympan is Open Source Hardware

• Schematic
• KiCad Files
• Arduino Library