Free Circuit Lab

@freecircuitlab

Est. 2014·India·English·~1 vids/wk

New on TrySpansa

Free Circuit Lab is a Tech and DIY & Crafts YouTube creator with 172K subscribers and 27.5M total views. The channel covers electronics projects, arduino tutorials, circuit design, embedded systems, microcontroller programming. Active for 11 years, the channel publishes about 1 video per week. Videos average 41.8K views each. Based in India, the channel's primary language is English. YouTube channels with 50K–500K sub channels typically charge between $1,000 and $15,000 per sponsored video. Book a sponsorship directly on TrySpansa.

172,000Subscribers

657Total Videos

27,479,586Total Views

Source: YouTube Data API

Views / Video284K

Impressions1.2M

Age Demographics

13-17

18-24

35%

25-34

28%

35-44

16%

45-54

55-64

65+

Gender Split

Male 62%Female 36%Other 2%

Core: Male 18-24

Top Countries

🇺🇸United States

28%

🇬🇧United Kingdom

18%

🇧🇷Brazil

12%

🇮🇳India

🇩🇪Germany

Traffic Sources

34%

Suggested

24%

External

14%

Browse

12%

Content Performance

128KAvg Views

4.2%CTR

+1.2KNet Subs

3:42Watch Time

Subscriber Growth

6 mo agoToday

Device Split

Desktop

48%

Mobile

34%

Tablet

11%

Watch Time

8:42Avg Duration

42%Retention

2.1MHours

6.8Views/Visit

Content Type

Long-form

55%

Shorts

28%

Live

12%

Members

Free · 10 seconds · No credit cardSee Free Circuit Lab’s audience data

Niches

TechDIY

About

Hi everyone, I am a physics student, Bhairab Kr. Mandal...from Kolkata(India) You have found the perfect channel for you...In this channel you will get many interesting electronics project, discussion and theory explanation... Your support is everything for me.. So please Support me and subscribe to Free Circuit Lab *Thank you for visiting my channel* জয় হিন্দ * বন্দেমাতরম To chat with me, come to my FB page: Free Circuit Lab

Recent Videos

Very cheap 800W BLDC EV motor kit review

1200 Watt Boost Converter Test / Diagram / Improvement by Free Circuit Lab

E-Rikshaw 48V to 12V converter Repair with 100% Success Rate

Can we run SMPS from solar or battery directly without inverter?

Simple trick to run LED tube from Battery

CADLEC BLDC Fan Review, Teardown & modification by Free Circuit Lab

48V 30Ah LifePO4 battery making | Smart BMS | No spot welding

RR Signature NeoAir mini Motor BLDC Fan Review & Teardown

Channel data updated May 2026

youtube.com/@freecircuitlab

Open

Channel VideosFree Circuit Lab

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03Audience region

04Subscribers

YouTube Data API: 172,000 subscribers

05Content audience

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Cost per 1,000 Views

Meta Ads (SaaS)$8.75

Mesha 2025

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Estimated Clicks

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02Conversion Rate (%)

Using Tech benchmark: 3.6% (Electronics & Appliances) · Skailama 2026

03Expected Purchases / Year

Using Tech benchmark: 1.6× /year · Beans 2021 freq × Bluecore/MobiLoud RPR

Enter avg views above to estimate conversions

Methodology & sourcesNot sourced from YouTube

● Free · No credit card required

Estimated pricing — negotiate directly

Topicsclassified by TrySpansa

electronics projects arduino tutorials circuit design embedded systems microcontroller programming hardware hacking electronics troubleshooting diy tech projects raspberry pi projects sensor integration power converter design

Resources

The Brief Isn't Dead. Unstructured Briefs Are. →NY Synthetic Performer Law: AI Clauses Your Deal Needs →Creator Payment Rails 2026: 5 Compared (Plus 1 Imposter) →

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See Free Circuit Lab’s insightsFree · 10 seconds · No credit card

Free Circuit Lab

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