Can I connect these in either series or parallel to get more 'end result' power?

A voltage controller is required for multiple times. Typically 2 tiles 1 controller voltage varies by temperature differential this requires minimum and maximum safety Thermal circuit breakers at effective for over voltage. Diodes can be used for voltage control these act as a bypass for your buck converter.

Can I operate the cold side with 12vdc, apply a heat source, and harvest any power generated? Is it possible?

You can apply a heat source to one end, and a cold source to the other and generate about 1.5v of electricity per generator.

Will one of these run a larger electric motor?

It's only going to realistically generate just over a volt of electricity with about 150 degree temp difference between the 2 sides

Are these tec or teg tiles?

#21745 is a teg thermal different Generator. TEG is thermal electric Generator number determines the temperature range this is for low temperatures below 200)° f. Perfect for air cooling

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Comimark 2Pcs 40x40mm Thermoelectric Power Generator SP1848-27145 Peltier TEG Module

Product ID: 163824564

Details

Brand
Comimark
Cooler Heatsink Material
Ceramic
Item Weight
0.04 kg
Mounting Type
Chassis Mount
Product Dimensions
1.57"L x x

⚡Thermal Conductivity: 15~16x10-3 W/℃ cm

📏Dimensions: 1.57" x 1.57" x 0.13"

📦Weight: 0.04 kg

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Description

⚙️ Ignite Your Innovations with Thermoelectric Power!

🛠️ EASY INTEGRATION - Simple to install with a lead length of 30cm for flexible setups.
🔋 POWER UP YOUR PROJECTS - Harness the power of thermoelectric energy with this efficient TEG module.
🔌 VERSATILE APPLICATIONS - Perfect for DIY projects, cooling systems, and renewable energy solutions.
💡 SATISFACTION GUARANTEED - 24/7 support ensures you’re never left in the dark about your purchase.
🌡️ SUPERIOR THERMAL MANAGEMENT - Designed for optimal heat transfer, ensuring maximum performance.

The Comimark 2Pcs 40x40mm Thermoelectric Power Generator SP1848-27145 Peltier TEG Module is a high-performance thermoelectric generator designed for efficient energy conversion. With a compact size and lightweight design, it is ideal for various applications, from DIY projects to advanced cooling systems. The module features excellent thermal conductivity and comes with a 30cm lead for easy integration into your projects. Plus, enjoy peace of mind with 24/7 customer support.

Specifications

ASIN	B07W4PY9CZ
Best Sellers Rank	#773 in Single Board Computers (Computers & Accessories)
Brand Name	Comimark
CPU Socket	Universal
Cooler Heatsink Material	Ceramic
Customer Reviews	3.9 3.9 out of 5 stars (94)
Item Dimensions L x W x H	1.57"L x 1.57"W x 0.13"H
Item Weight	0.04 kg
Manufacturer	Comimark
Model	LY363
Mounting Type	Chassis Mount
Number of Items	2
Number of Packs	2
Part Number	LY363
UPC	657835675110
Unit Count	2 Count

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$52

Duties & taxes included

In stock

Sold byAmazon FijiDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Fiji.

Secure transaction

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