Hardware - DD4WH/Teensy-Bat-Detector GitHub Wiki

Parts list:

• Teensy 3.6 microcontroller [about 32,- €]
• Teensy audio board [about 16,- €]
• TFT LCD screen 2.4“ or 2.8“ [10,- to 30,- €]
• Electret microphone [from 0,65 to 5,- €]
• Push buttons [about 5,- €]
• Jumper Wires [3,- €]
• Headers [3,- €]
• LiPo battery [10,- €]
• LiPo USB charger [5,- €]
• Case [from 5,- to 25,- €]
• Connection cable USB-A male to USB-micro-B male [5,- €]
• microSD card (at the moment, an old 2GB card (not HC, not class 10) works best)

How to assemble the hardware? 1.) Solder headers to the Teensy audio board

2.) Solder headers to all the Teensy 3.6 pin holes (carefully watch the photos!

3.) Plug Teensy 3.6 and Teensy audio board together 4.) Solder the Microphone to the MIC input on the audio board

5.) Solder headers to the TFT holes

6.) Connect TFT with Teensy by using 9 jumper wires

7.) Connect push buttons to the corresponding pins