envistia

3mm bright red led – 620-630nm clear transparent (10/25/50/100 pack)

black 3-pin mini rocker switch — spdt on/off/on, 3-pin, 125vac/6a, kcd117, miniature 15mm × 10mm (½" × ⅜") — 2/5/10 pack

male dc power plug connectors 2.1mm x 5.5mm for led lights, cctv & electronics (5, 10 or 25 piece packages)

n-type male plug to so-239 uhf female jack right-angle rf adapter connector

n female / so239 uhf female rf connector dust cap protective cover (pack of 2)

n-type female jack to sma female jack rf adapter barrel connector

laser alignment kit with 6mm red dot laser for k40 cnc laser machines

5 pairs male/female xt60 rc lipo battery plug connectors

8-40v in 13.8v out 20a boost buck dc/dc converter dc power stabilizer em8-40s13r820

black rocker switch on-off dpst 4-pin 21×15mm (0.8" x 0.6") kcd1 10a/125vac 6a/250vac — 2/5/10 pack

pam8403 5w+5w stereo bluetooth + mp3 audio receiver amplifier 18650 charger module

pl259 uhf male plug to sma male plug rf adapter barrel connector

hc-sr04 ultrasonic distance measuring sensor module — 2cm to 400cm range, 3mm accuracy, arduino compatible

5 pieces pam8403 mini 2 channel stereo 3w class d audio power amplifier module boards

multi-function prototyping / expansion shield for arduino uno leonardo mega2560

xl4015 5a dc-dc step-down buck converter module — adjustable 1.25v-36v output, 4v-38v input

l298n dual h-bridge pwm dc & stepper motor driver controller module for arduino

4s battery holder case box for 4x 18650 li-ion batteries in series (~15v)

battery holder case box for 2x aa batteries 3v with 4" wire leads

65 piece solderless breadboard dupont male-male jumper cable wire prototyping kit