Cylewet 30Pcs Optocoupler PC817C 2.54mm Pitch 4 Pins DIP-4 Mounting Photo Coupler for Arduino (Pack of 30) CYT1056

Bestsupplier 100PCS 2 Pole 5mm Pitch PCB Mount Screw Terminal Block 8A 250V

Adafruit 2821 Feather HUZZAH with ESP8266 Wi-Fi

Chanzon 1W Zener Diode Assorted Kit (30 Values x 10pc 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V) Assortment Set

Chanzon Fast Switching/Schottky / Rectifier Diode Assorted Kit (200pcs 14 Values 1N4001 1N4004 1N4007 RL207 1N5404 1N5406 1N5408 UF4007 FR107 FR207 1N5817 1N5819 1N5822 1N4148) Electronic Assortment

MCIGICM 50pcs ic dip lm358 Operational Amplifier Dual op-amp (Pack of 50pcs)

Cylewet 10Pcs RFP30N06LE 30A 60V 0.047Ohm Logic Level N-Channel Power Mosfet TO-220 ESD Rated for Arduino (Pack of 10) CYT1047

ELEGOO for Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable)

SIM&NAT Male DC 2.1mm x 5.5mm Wire Power Pigtails Adapter Barrel Plug Socket Cables for CCTV Security Camera, DVR, Car Rearview Monitor System Video, LED Strip Light, Surveillance (20 inch / 50 cm)

MCIGICM ne555 Timer chip ic Pulse Generator (Pack of 50pcs)

Hilitchi 24-Values 2N2222-S9018 / BC327-BC558 NPN PNP Power General Purpose Transistors Assortment Kit - Pack of 840