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Free Circuit Lab

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 173K subscribers and 27.7M 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 41.6K 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.

173,000Subscribers
665Total Videos
27,694,534Total Views
Source: YouTube Data API

Audience Insights for Free Circuit Lab

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Views / Video284K
Impressions1.2M
Age Demographics
13-17
8%
18-24
35%
25-34
28%
35-44
16%
45-54
8%
55-64
3%
65+
2%
Gender Split
Male 62%Female 36%Other 2%
Core: Male 18-24
Top Countries
🇺🇸United States
28%
🇬🇧United Kingdom
18%
🇧🇷Brazil
12%
🇮🇳India
9%
🇩🇪Germany
7%
Traffic Sources
Search
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%
TV
7%
Watch Time
8:42Avg Duration
42%Retention
2.1MHours
6.8Views/Visit
Content Type
Long-form
55%
Shorts
28%
Live
12%
Members
5%
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

Jabaida SMART BMS for 10-17S 40A Li-ion/LFP
LiFePO4 4S 12V 100A JBD BMS perfect for Inverter
Update Video: What I am doing now (Free Circuit Lab)
Mi Power bank battery replacement Li-ion to LFP
Simplest VU meter You Can Make.. RGB Music Reactive light
Detailed study of 3S Lithium Battery Charging Module 5V to 12.6V boost charge
How to make a big RGB Wifi Clock for home
E-vehicle BLDC controller Diagram, Waveform and Working Explained by Free Circuit Lab

Channel data updated June 2026

youtube.com/@freecircuitlab
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Channel VideosFree Circuit Lab
Browse all uploads·Powered by YouTube Data API

Sponsorship Pricing

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YouTube Data API: 173,000 subscribers
Rates are TrySpansa estimates based on industry data. Not sourced from or derived from YouTube.

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Cost per 1,000 Views
Meta Ads (SaaS)$8.75
Mesha 2025
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Your net profit from a typical sale, after costs
Using Tech benchmark: 3.6% (Electronics & Appliances) · Skailama 2026
Using Tech benchmark: 1.6× /year · Beans 2021 freq × Bluecore/MobiLoud RPR
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Methodology & sourcesNot sourced from YouTube
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Topicsclassified by TrySpansa

electronics projectsarduino tutorialscircuit designembedded systemsmicrocontroller programminghardware hackingelectronics troubleshootingdiy tech projectsraspberry pi projectssensor integrationpower 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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