In the grab bag there were mini pcb's with microphones, what do they do?

DIP/SOP-8 adapter It's not a microphone. It's a component that is used to integrate a sop-8 pin connector to a DIP connector so you can plug it into your bread board. Hope this helps.

Do the component leads fit into solderless breadboard? Or are they too thin?

I had moved from Electronics and Hardware to software only a while ago, and recently found myself back in the hardware game. I purchased these to get a decent basic set of components. These are standard components and I use them for prototyping on breadboard all the time. If components are too loose in your breadboard, then it is probably the breadboard not the components. Try different set of holes or get a better quality breadboard. I also purchased several Arduino and Raspberry starter kits to round out the project and will say that those breadboards where not the best overall quality with some rows to tight or to saggy. To that end I purchased a very good quality breadboard with dual Vcc poles and ground. The components from this kit fit exactly the same as the components I get from Digikey.

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Components Assortment Kit, Grab Bag, IC, Opamp,Resistors, Polyester Capacitors, LED, PCB, Diodes, Transistors, 2200 pcs

Components Assortment Kit, Grab Bag, IC, Opamp,Resistors, Polyester Capacitors, LED, PCB, Diodes, Transistors, 2200 pcs

Product ID: 70557023

Details

Brand
Interstellar
Capacitance
330 Picofarad
Capacitance Tolerance
1
Material
Ceramic
Shape
Rectangular

⚡350 polyester + 300 ceramic capacitors

📦2200 pcs total components

🔧1000 resistors, 1% tolerance

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Description

⚙️ Build smarter, faster, and trendier with the ultimate electronics grab bag!

ULTIMATE DIY POWERHOUSE - 2200 meticulously sorted components to fuel your next innovation sprint.
ORGANIZED FOR EFFICIENCY - Each component type individually bagged and sorted for rapid access and zero downtime.
DIVERSE COMPONENT ARSENAL - From ICs and opamps to LEDs and transistors, all essentials packed in one durable box.
PROTOTYPING MADE EFFORTLESS - Includes prototype PCBs and DIP adapters to jumpstart your project without delay.
PRECISION AT YOUR FINGERTIPS - Resistors stamped with exact values, ensuring flawless circuit builds every time.

The Interstellar Electronics Components Assortment Kit offers 2200 high-quality, through-hole electronic parts including 350 polyester capacitors, 300 ceramic capacitors, 1000 precision resistors (1% tolerance), 130 electrolytic capacitors, 58 ICs/opamps, 200 transistors, 100 diodes, LEDs, headers, sockets, and prototype PCBs—all neatly organized in a durable box for seamless prototyping and repair.

Specifications

ASIN	B07D1GFD7R
Best Sellers Rank	#421,154 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4,627 in Industrial Electrical Capacitors
Brand Name	Interstellar Electronics
Capacitance	330 Picofarad
Capacitance Tolerance	1
Customer Reviews	4.6 4.6 out of 5 stars (147)
Item Shape	Rectangular
Manufacturer	Interstellar Electronics
Material Type	Ceramic, Polyester
Model	Grab Bag Kit
Mounting Type	Through-Hole Mount
Part Number	Grab Bag Kit
UPC	704630000125

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