Uploaded October 2020 | Updated September 2026, 2 weeks ago
Time Delay Relays, in this video we learn the basics of how time delay relays work. Looking at time on delay and time off delay using transistors, capacitors and diodes as well as switches, mechanical relays and optical couplings to produce time delays.
TELE Controls, who have kindly sponsored this video, are one of the leading manufacturers in the automation industry since 1963.
Want to learn more about TELE and its products? Simply click on the links below to get additional information on how their products can optimize and extend the lifespan of your equipment.
🎁 You can contact them at sales@tele-controls.com or LinkedIn to receive your free relay configuration cheat sheet. “
URL- tele-controls.com/the-engineering-mindset
TELE Controls Inc - tele-controls.com
LinkedIn- linkedin.com/company/tele-controls-inc
YouTube- youtube.com/channel/UC-xurh-oMFMVYCuwBVWcIFw
Sign up for our FREE engineers newsletter for updates, competitions, news and offers
🎁 Link: engmind.info/Engineers-Report
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How relays work ➡️ youtu.be/n594CkrP6xE
Time delay relays ➡️ youtu.be/RwSga-zQy0I
Solenoids explained ➡️ youtu.be/BbmocfETTFo
Power inverter DC to AC:➡️ youtu.be/iIqhAX0I7lI
Generate electricity:➡️ youtu.be/jdSKlg80DjU
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👀 Links - MUST WATCH!! 👀
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⚡ELECTRICAL ENGINEERING⚡
👉How electricity works: youtu.be/mc979OhitAg
👉Three Phase Electricity: youtu.be/4oRT7PoXSS0
👉How Inverters work: youtu.be/ln9VZIL8rVs
👉How TRANSFORMER works: youtu.be/UchitHGF4n8
👉How 3 Phase electricity works: youtu.be/4oRT7PoXSS0
👉How Induction motor works: youtu.be/N7TZ4gm3aUg
👉What is a KWH: youtu.be/SMPhh8gT_1E
👉How induction motor works: youtu.be/N7TZ4gm3aUg
❄️ CHILLER ENGINEERING ❄️
👉Chiller Efficiency improvements: youtu.be/8x3MiO5XjhY
👉Chilled water schematics: youtu.be/ak51DHAiuWo
👉Chiller crash course: youtu.be/K0xAKzdROEg
👉Chiller types: youtu.be/gYcNDT1d30k
👉Chillers/AHU/RTU: youtu.be/UmWWZdJR1hQ
👉Water cooled chiller Part1: youtu.be/0rzQhSXVq60
👉Water cooled chiller Part2: youtu.be/3ZpE3vCjNqM
👉Water cooled chiller advanced: youtu.be/QlKSGDgqGF0
👉Chiller cooling capacity calcs: youtu.be/BZxXIdxVKeY
👉Chiller compressors: youtu.be/7Bah__spkTY
👉Chiller expansion valve: youtu.be/dXiV5YzTZQ4
👉Chiller surge: youtu.be/DQK_-vxObiw
👉Chiller condenser: youtu.be/p5uuPsyqnwU
👉Chiller evaporator: youtu.be/W3w7FpX9j9k
👉Chiller compressor centrifugal: youtu.be/PT0UIqAGacg
👉Chiller cooling capacity: youtu.be/f-N4isgQRGQ
🌡️ HVAC ENGINEERING 🌡️
👉HVAC Basics: youtu.be/klggop60vlM
👉Boilers/AHU/FCU: youtu.be/lDeuIQ4VeWk
👉How Heat Pump works: youtu.be/G53tTKoakcY
👉Heat pumps advanced: youtu.be/G53tTKoakcY
👉VRF Units: youtu.be/hzFOCuAho_4
👉Cooling load calculations: youtu.be/0gv2tJf7nwo
👉Pulley belt calculations: youtu.be/yxCBhD9nguw
👉Pump calculations: youtu.be/99vikjRrlgo
👉Fan and motor calculations: youtu.be/rl-HQRzL-kg
👉HVAC Cooling coils: youtu.be/oSs-4Ptcfhk
👉Cooling towers: youtu.be/UzHJWNL2OtM
⚗️ REFRIGERATION SYSTEMS 🌡️
👉How refrigerants work: youtu.be/lMqoKLli0Y4
👉Thermal expansion valves: youtu.be/oSLOHCOw3yg
👉Refrigeration design software: youtu.be/QqP5aY6liAg
👉Design refrigeration system: youtu.be/TPabv9iDENc
👉Reversing valve: youtu.be/r8n1_6qmsKQ
👉How A/C units work: youtu.be/Uv3GfEQhtPE
⚗️ REFRIGERANTS ⚗️
👉Refrierant retrofit guide: youtu.be/1OqgLcU2buQ
👉Refrigerant types, future: youtu.be/J77a0keM2Yk
👉How refrigerants work: youtu.be/lMqoKLli0Y4
automation twinturbros everycircuit hvacr amp latching relay
#engineering #automation #electrical electrical machines
Time Delay Relays, in this video we learn the basics of how time delay relays work. Looking at time on delay and time off delay using transistors, capacitors and diodes as well as switches, mechanical relays and optical couplings to produce time delays.
TELE Controls, who have kindly sponsored this video, are one of the leading manufacturers in the automation industry since 1963.
Want to learn more about TELE and its products? Simply click on the links below to get additional information on how their products can optimize and extend the lifespan of your equipment.
🎁 You can contact them at sales@tele-controls.com or LinkedIn to receive your free relay configuration cheat sheet. “
URL- tele-controls.com/the-engineering-mindset
TELE Controls Inc - tele-controls.com
LinkedIn- linkedin.com/company/tele-controls-inc
YouTube- youtube.com/channel/UC-xurh-oMFMVYCuwBVWcIFw
Sign up for our FREE engineers newsletter for updates, competitions, news and offers
🎁 Link: engmind.info/Engineers-Report
⚡🛠️ TOOLS YOU NEED 🛠️⚡
**************************************
Get this electronics book ➡️ amzn.to/41cCJPk
Professional Multimeter -➡️ amzn.to/3xu2Vaw
Good multimeter -➡️ amzn.to/3xrbuTd
Professional clamp meter ➡️ amzn.to/4140FnK
Good Clamp meter ➡️ amzn.to/3xqt2is
Outlet tester ➡️- amzn.to/3kavg2l
Energy monitoring plug ➡️ amzn.to/3SkfPl7
Battery tester -➡️ amzn.to/3S3fHWI
Basic electronics kit ➡️ amzn.to/3xuLiqS
MY FAVOURITE GEAR
🎥 My camera - amzn.to/3YCZ7Q9
🎤 My Microphone - amzn.to/3YYXsUC
⌨️ My Keyboard - amzn.to/3lBsl33
🖥️ My monitor - amzn.to/415BGjW
🎧 My headphones - amzn.to/3lN7R7u
How relays work ➡️ youtu.be/n594CkrP6xE
Time delay relays ➡️ youtu.be/RwSga-zQy0I
Solenoids explained ➡️ youtu.be/BbmocfETTFo
Power inverter DC to AC:➡️ youtu.be/iIqhAX0I7lI
Generate electricity:➡️ youtu.be/jdSKlg80DjU
👋 SOCIALISE WITH US 👋
*******************************
👉FACEBOOK: facebook.com/theengineeringmindset
👉TWITTER: twitter.com/TheEngMindset
👉INSTAGRAM: instagram.com/engineeringmindset
👉WEBSITE: Http://TheEngineeringMindset.com
👀 Links - MUST WATCH!! 👀
*******************************
⚡ELECTRICAL ENGINEERING⚡
👉How electricity works: youtu.be/mc979OhitAg
👉Three Phase Electricity: youtu.be/4oRT7PoXSS0
👉How Inverters work: youtu.be/ln9VZIL8rVs
👉How TRANSFORMER works: youtu.be/UchitHGF4n8
👉How 3 Phase electricity works: youtu.be/4oRT7PoXSS0
👉How Induction motor works: youtu.be/N7TZ4gm3aUg
👉What is a KWH: youtu.be/SMPhh8gT_1E
👉How induction motor works: youtu.be/N7TZ4gm3aUg
❄️ CHILLER ENGINEERING ❄️
👉Chiller Efficiency improvements: youtu.be/8x3MiO5XjhY
👉Chilled water schematics: youtu.be/ak51DHAiuWo
👉Chiller crash course: youtu.be/K0xAKzdROEg
👉Chiller types: youtu.be/gYcNDT1d30k
👉Chillers/AHU/RTU: youtu.be/UmWWZdJR1hQ
👉Water cooled chiller Part1: youtu.be/0rzQhSXVq60
👉Water cooled chiller Part2: youtu.be/3ZpE3vCjNqM
👉Water cooled chiller advanced: youtu.be/QlKSGDgqGF0
👉Chiller cooling capacity calcs: youtu.be/BZxXIdxVKeY
👉Chiller compressors: youtu.be/7Bah__spkTY
👉Chiller expansion valve: youtu.be/dXiV5YzTZQ4
👉Chiller surge: youtu.be/DQK_-vxObiw
👉Chiller condenser: youtu.be/p5uuPsyqnwU
👉Chiller evaporator: youtu.be/W3w7FpX9j9k
👉Chiller compressor centrifugal: youtu.be/PT0UIqAGacg
👉Chiller cooling capacity: youtu.be/f-N4isgQRGQ
🌡️ HVAC ENGINEERING 🌡️
👉HVAC Basics: youtu.be/klggop60vlM
👉Boilers/AHU/FCU: youtu.be/lDeuIQ4VeWk
👉How Heat Pump works: youtu.be/G53tTKoakcY
👉Heat pumps advanced: youtu.be/G53tTKoakcY
👉VRF Units: youtu.be/hzFOCuAho_4
👉Cooling load calculations: youtu.be/0gv2tJf7nwo
👉Pulley belt calculations: youtu.be/yxCBhD9nguw
👉Pump calculations: youtu.be/99vikjRrlgo
👉Fan and motor calculations: youtu.be/rl-HQRzL-kg
👉HVAC Cooling coils: youtu.be/oSs-4Ptcfhk
👉Cooling towers: youtu.be/UzHJWNL2OtM
⚗️ REFRIGERATION SYSTEMS 🌡️
👉How refrigerants work: youtu.be/lMqoKLli0Y4
👉Thermal expansion valves: youtu.be/oSLOHCOw3yg
👉Refrigeration design software: youtu.be/QqP5aY6liAg
👉Design refrigeration system: youtu.be/TPabv9iDENc
👉Reversing valve: youtu.be/r8n1_6qmsKQ
👉How A/C units work: youtu.be/Uv3GfEQhtPE
⚗️ REFRIGERANTS ⚗️
👉Refrierant retrofit guide: youtu.be/1OqgLcU2buQ
👉Refrigerant types, future: youtu.be/J77a0keM2Yk
👉How refrigerants work: youtu.be/lMqoKLli0Y4
automation twinturbros everycircuit hvacr amp latching relay
#engineering #automation #electrical electrical machines



![Why This Circuit Works When It Shouldn’t
Learn how to extract useful energy from dead batteries,.
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In this video, we explain how a simple Joule Thief circuit boosts low voltage using inductors, transistors, and Faraday’s law. Learn how it works, why it works, and how to build one yourself with a DIY kit or custom PCB. Learn how transistors, inductors, toroid transformers, LED and resistors work.
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Want to build the kit at home, click here:👉 https://tinyurl.com/Joule-Thief-Kit
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⚡🛠️ TOOLS YOU NEED 🛠️⚡
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Get this electronics book ➡️ https://amzn.to/41cCJPk
Professional Multimeter -➡️ https://amzn.to/3xu2Vaw
Good multimeter -➡️ https://amzn.to/3xrbuTd
Professional clamp meter ➡️ https://amzn.to/4140FnK
Good Clamp meter ➡️ https://amzn.to/3xqt2is
Outlet tester ➡️- https://amzn.to/3kavg2l
Energy monitoring plug ➡️ https://amzn.to/3SkfPl7
Battery tester -➡️ https://amzn.to/3S3fHWI
Basic electronics ➡️ kit https://amzn.to/3xuLiqS
MY FAVOURITE GEAR
🎥 My camera - https://amzn.to/3YCZ7Q9
🎤 My Microphone - https://amzn.to/3YYXsUC
⌨️ My Keyboard - https://amzn.to/3lBsl33
🖥️ My monitor - https://amzn.to/415BGjW
🎧 My headphones - https://amzn.to/3lN7R7u
👋 SOCIALISE WITH US 👋
*******************************
👉FACEBOOK: https://facebook.com/theengineeringmindset/
👉TWITTER: https://twitter.com/TheEngMindset
👉INSTAGRAM: https://instagram.com/engineeringmindset/
👉WEBSITE: Http://TheEngineeringMindset.com
[0:00] Dead Battery Powers an LED? How This Is Possible
[0:18] The Clever Joule Thief Circuit Explained
[0:28] How to Build This DIY LED Booster Circuit
[0:45] Circuit Components Overview (Switch, Toroid, Resistor, Transistor)
[1:10] Current Flow in the Circuit: Path A vs Path B
[2:10] How the Joule Thief Starts Oscillating
[3:32] How a Resistor Works in This Circuit
[4:13] How a Transistor Works as an Electronic Switch
[5:35] Why the Toroid Coil Is So Important
[6:00] Electromagnetic Fields, Coils, and Inductors Explained
[7:20] Self-Inductance: Why Current Cannot Change Instantly
[8:24] Why a Ferrite Core Improves Inductor Performance
[8:40] Faraday’s Law and Mutual Inductance Explained
[9:32] How a Changing Magnetic Field Induces Voltage
[10:20] Lenz’s Law Explained with Coil and Magnet Examples
[11:15] Coil Polarity and Induced Current Direction
[12:17] Why the Two Toroid Windings Must Oppose Each Other
[14:23] Full Joule Thief Circuit Operation Step by Step
[15:10] Core Saturation: Why the Transistor Suddenly Switches Off
[16:03] Inductive Kickback and the High Voltage Spike Explained
[16:41] How the LED Turns On from a Dead Battery
[17:07] Why the LED Looks Continuous Even Though It Is Pulsing
[17:22] How LEDs Work: Diodes, Threshold Voltage, and Light Emission
[18:21] Why a White LED Proves Voltage Boosting
[18:31] DIY Kit and PCB Build Options
[19:33] Breadboard Prototype and PCB Soldering Guide
[20:21] North Pole Coil Direction Answer Why This Circuit Works When It Shouldn’t](https://i.ytimg.com/vi/Sh9aZ2uemk0/mqdefault.jpg)






