Cylewet 10Pcs 12mm Vertical Slide Switch SPDT 1P2T with 3 Pins PCB Panel for Arduino (Pack of 10) CYT1016

Adafruit PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A - 1000C

Adafruit Pro Trinket 5V 16MHz (1 Piece)

Adafruit Micro Lipo w/MicroUSB Jack - USB LiIon/LiPoly charger - v1 [ADA1904]

Adafruit 328 Battery, Lithium Ion Polymer, 3.7V, 2500mAh, 2" x 2.55" x 0.30" Size

Gikfun 12x12x7.3 mm Tact Tactile Push Button Momentary SMD PCB Switch with Cap for Arduino (Pack of 25pcs) AE1027

PowerBoost Charger, Rechargeable 5V Lipo USB Boost at 500mA+

MakerSpot 6mm 2 Pin Panel PCB Momentary Tactile Tact Push Button Switch Through Hole Breadboard Friendly x 10 Pack

ADAFRUIT INDUSTRIES 1578 Lithium Ion Polymer Battery - 3.7v 500mAh

Cylewet 35Pcs 6×6×9mm Tactile Tact Push Button Switch Micro Switch Touch Switch with Button Caps of 7 Color for Arduino (Pack of 35) CYT1052

Texas Instruments NE555P IC Single Precision Timer (Pack of 12)