- 2 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. - 2 5mm LEDs - 3 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. PSU \+12V, -12V and ground needed, probably up to it. MSD: L* L* -> only second half of normal; muffle optional? A series of boards, e.g. Https://learn.adafruit.com/adafruit-feather-m0-radio-with-rfm69-packet-radio Adafruit Feather 32u4 RFM series of boards, https://learn.adafruit.com/adafruit-feather/feather-specification Footprint for Mini-Circuits case MMM168, Land pattern PL-094, pads 5 and 6); middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6 // manual step (sw13) // 1 for manual step button in Unseen Servant Primary source: Two switch selectable capacitors for slower and faster time scales. .