Gikfun 36PCS Trimmer Variable Capacitance Ceramic 6mm Plastic Cover 5PF 10PF 20PF 30PF 40PF 60PF Capacitor DIY Kit for Arduino (Pack of 36pcs) AE1062x3

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

(Pack of 20 Pieces) Chanzon 1N34A 1N34 Germanium Diode 50mA 65V DO-35 (DO-204AH) IN34A IN34 Axial for TV FM AM Radio Detection

Cylewet 10Pcs Cylindrical Electret Condenser Microphone Pickup with 2 Pins 9×7mm for Arduino (Pack of 10) CYT1013

Signal Generator DIY Kit, KKmoon XR2206 High Precision Function Signal Generator DIY Kit Sine/Triangle/Square Output 1Hz-1MHz Adjustable Frequency

Anmbest 10PCS 5V-12V LM386 Audio Amplifier Module 200 Times Gain 10K Adjustable Resistance for Arduino

150 Pcs 15 Value 100 ohm- 2M ohm Trimpot Variable Resistor 6mm Potentiometer Assortment Kit

AUSTOR 100 Pcs PCB Board Kit Including 30 Pcs Double Sided Prototype Boards and 30 Pcs 40 Pin 2.54mm Male and Female Header Connector(Bonus: 10 Pcs 2P&3P Screw Terminal Blocks and 30 Pcs Jumper Caps)

1040Pcs Transistors kit,26 Values 2N2222-S9018/BC327-BC558 NPN PNP Power Terminals Transistors Assortment Kit

Elegoo EL-CP-003 3pcs MB-102 Breadboard 830 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks

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