Time Delay Relay circuit using 555 timer IC | Off delay timer Switch | UTSOURCE
Tech StudyCell
•
December 11, 2021

Tech StudyCell
View ChannelAbout
No channel description available.
Latest Posts
iPhone 13 Pro Max Must-Haves
AI-recommended products based on this video
![iPhone Charger Cord [MFi Certified] 3Pack 0.9M Lighting Cable Power Delivery Charging Cord Compatible with iPhone 14 13 13 Pro Max 12 12 Pro Max 11 XS XR X 8 iPad,White](https://m.media-amazon.com/images/I/61i3XjcGu1L._AC_SL1500_.jpg)
iPhone Charger Cord [MFi Certified] 3Pack 0.9M Lighting Cable Power Delivery Charging Cord Compatible with iPhone 14 13 13 Pro Max 12 12 Pro Max 11 XS XR X 8 iPad,White
(4,813)
7.99
PrimeFREE delivery Saturday, June 14 on orders shipped by Amazon over $35
![Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone 16 Pro Max 15 14 13 12 Plus (Carbon Fiber) Global Recycled Standard](https://m.media-amazon.com/images/I/712lUnThXpL._AC_UL960_FMwebp_QL65_.jpg)
Best Seller
Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone 16 Pro Max 15 14 13 12 Plus (Carbon Fiber) Global Recycled Standard
(9,279)
$26.97$26.43
FREE delivery Fri, Aug 29 on $35 of items shipped by Amazon
10K+ bought in past month

Best Seller
Apple AirPods Pro 2 Wireless Earbuds, Active Noise Cancellation, Hearing Aid Feature, Bluetooth Headphones, Transparency, Personalized Spatial Audio, High-Fidelity Sound, H2 Chip, USB-C Charging
(36,153)
$169.00$162.24
FREE delivery
10K+ bought in past month

Soundcore by Anker Liberty 4 NC Wireless Earbuds, 98.5% Noise Reduction, Adaptive Noise Cancelling to Ears and Environment, Hi-Res Sound, 50H Battery, Wireless Charging, Bluetooth 5.3
(17,954)
89.99
PrimeFREE delivery Saturday, June 14
2K+ bought in past month

Soundcore Liberty 4 Pro by Anker, Noise Cancelling Wireless Earbuds, 7-Sensor and Real-Time Adaptive Noise Cancelling, 2× Faster Charging, Studio-Level Hi-Fi Music, Clear Calls with 6 Mics and AI
(1,105)
149.99
PrimeFREE delivery Saturday, June 14
1K+ bought in past month
![Ailun 3 Pack Screen Protector for iPhone 16 Pro Max [6.9 inch] + 3 Pack Camera Lens Protector with Installation Frame,Sensor Protection,Dynamic Island Compatible,Case Friendly Tempered Glass Film](https://m.media-amazon.com/images/I/815keamN-BL._AC_UL960_FMwebp_QL65_.jpg)
Ailun 3 Pack Screen Protector for iPhone 16 Pro Max [6.9 inch] + 3 Pack Camera Lens Protector with Installation Frame,Sensor Protection,Dynamic Island Compatible,Case Friendly Tempered Glass Film
(362,029)
$7.63
FREE delivery Wed, Aug 20 on $35 of items shipped by Amazon
10K+ bought in past month
![TZGZT [Longest Durable] Travel Carrying Case for Nintendo Switch 2 2025, Large Volume Accessories Bundle Holder, 2 Screen Protector, Hard Protective Cover Estuche Funda with 12 Game Cards, Black](https://m.media-amazon.com/images/I/71+rjsYE8JL._AC_UL960_FMwebp_QL65_.jpg)
TZGZT [Longest Durable] Travel Carrying Case for Nintendo Switch 2 2025, Large Volume Accessories Bundle Holder, 2 Screen Protector, Hard Protective Cover Estuche Funda with 12 Game Cards, Black
(488)
$16.84
FREE delivery Wed, Jul 2 on $35 of items shipped by Amazon
9K+ bought in past month
![ivoler 3-Pack Screen Protector Tempered Glass for Nintendo Switch 2 Model 2025, Transparent HD Clear Anti-Scratch Screen Protector Accessories for Nintendo Switch 2, [7.9 inch] ClimatePartner certified](https://m.media-amazon.com/images/I/71U9yfAAXfL._AC_UL960_FMwebp_QL65_.jpg)
Best Seller
ivoler 3-Pack Screen Protector Tempered Glass for Nintendo Switch 2 Model 2025, Transparent HD Clear Anti-Scratch Screen Protector Accessories for Nintendo Switch 2, [7.9 inch] ClimatePartner certified
(61,148)
$5.79
FREE delivery Thu, Jul 3 on $35 of items shipped by Amazon
10K+ bought in past month

amFilm Tempered Glass Screen Protector Compatible with Nintendo Switch 2 7.9" 2025 Alignment Installation Frame Transparent HD Clear Case Accessories Anti-Scratch (3-Pack) (SWTCH2-7.9")
(15,051)
$7.19
FREE delivery Tue, Jun 24 on $35 of items shipped by Amazon
10K+ bought in past month

Best Seller
Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery
(82,245)
$4.99
FREE delivery Tue, Jun 24 on $35 of items shipped by Amazon
100K+ bought in past month

Apple AirTag 4 Pack. Keep Track of and find Your Keys, Wallet, Luggage, Backpack, and More. Simple one-tap Set up with iPhone or iPad
(29,245)
$74.99$72.74
FREE delivery Fri, Aug 29
10K+ bought in past month

Apple AirPods 4 Wireless Earbuds, Bluetooth Headphones, Personalized Spatial Audio, Sweat and Water Resistant, USB-C Charging Case, H2 Chip, Up to 30 Hours of Battery Life, Effortless Setup for iPhone
(13,670)
$89.99$83.69
FREE delivery Fri, Aug 29
10K+ bought in past month

Best Seller
Apple iPad 11-inch: A16 chip, 11-inch Model, Liquid Retina Display, 128GB, Wi-Fi 6, 12MP Front/12MP Back Camera, Touch ID, All-Day Battery Life — Blue EPEAT
(7,528)
$299.00$287.04
FREE delivery Fri, Aug 29
10K+ bought in past month
![Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone 16 Pro Max 15 14 13 12 Plus (Carbon Fiber) Global Recycled Standard](https://m.media-amazon.com/images/I/712lUnThXpL._AC_UL960_FMwebp_QL65_.jpg)
Best Seller
Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone 16 Pro Max 15 14 13 12 Plus (Carbon Fiber) Global Recycled Standard
(9,279)
$26.97$26.43
FREE delivery Fri, Aug 29 on $35 of items shipped by Amazon
10K+ bought in past month
![iPhone Charger Cord [MFi Certified] 3Pack 0.9M Lighting Cable Power Delivery Charging Cord Compatible with iPhone 14 13 13 Pro Max 12 12 Pro Max 11 XS XR X 8 iPad,White](https://m.media-amazon.com/images/I/61i3XjcGu1L._AC_SL1500_.jpg)
iPhone Charger Cord [MFi Certified] 3Pack 0.9M Lighting Cable Power Delivery Charging Cord Compatible with iPhone 14 13 13 Pro Max 12 12 Pro Max 11 XS XR X 8 iPad,White
(4,813)
7.99
PrimeFREE delivery Saturday, June 14 on orders shipped by Amazon over $35
![Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone 16 Pro Max 15 14 13 12 Plus (Carbon Fiber) Global Recycled Standard](https://m.media-amazon.com/images/I/712lUnThXpL._AC_UL960_FMwebp_QL65_.jpg)
Best Seller
Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone 16 Pro Max 15 14 13 12 Plus (Carbon Fiber) Global Recycled Standard
(9,279)
$26.97$26.43
FREE delivery Fri, Aug 29 on $35 of items shipped by Amazon
10K+ bought in past month