Shoulder buttons
The pyra comes with four shoulder buttons, two on the left and two on the right. They are textured differently to help you identify them by touch without having to spin the unit around to look at them.
Hardware
- Panasonic EVQ-PSD02K - 4 x Tactile Switch for shoulder buttons
- SN74LVC3G06YZPR - Triple Inverter Buffer/Driver With Open-Drain Outputs for left-bottom shoulder and power reset combo