Description
Bare PCB only – choose Basic or Advanced and your quantity. Build your own Vail adapter; source the parts yourself. (Want a complete adapter instead? See the Vail Basic / Vail Advanced listings.)
Minimum order: 10 boards.
Basic: $10 for 10, then +$0.40 each additional board.
Advanced: $15 for 10, then +$0.50 each additional board.
Volume price is calculated automatically in the cart. Free shipping.
Basic PCB – bill of materials (source yourself)
- (1) PJ-320A 3.5mm PCB-mount audio jack
- (1) PJ-324M 3.5mm PCB-mount switching audio connector
- (1) 5V passive piezo buzzer (e.g. CYT1008)
- (1) Arduino QT Py SAMD21 or XIAO SAMD21
Advanced PCB – bill of materials (source yourself)
- (2) 1K 1/4W resistors
- (2) 2N2222 NPN transistors
- (2) PJ-320A 3.5mm PCB-mount audio jacks
- (1) PJ-324M 3.5mm PCB-mount switching audio connector
- (1) 5V passive piezo buzzer (e.g. CYT1008)
- (1) Arduino QT Py SAMD21 or XIAO SAMD21
- (2) slimline vertical screw terminals for cap-touch (Digikey 36-7837-ND)
- (2) 6-32 screws (~5–8mm) for the cap-touch terminals
3D-printed case: GitHub · Assembly guide: vailadapter.com/assembly
