dc to dc Step up Boost Converter MT3608 with Mico USB DC Voltage Regulator Boost Module 2V-24V to 5V-28V 2A (Pack of 10)

 https://www.twingro.com/mt3608-board.html

• ✔️Maximum Output Current: 2A, Board Size: 30 X 17 X 14mm/1.18 X 0.67 X 0.55inch(L*W*H).
• ✔️DC 2-24V input and 5V-28V adjustable voltage output with high power conversion efficiency up to 93%.
• ✔️Mini DC-DC voltage converter board with micro USB voltage input,just connected with USB power adapter then you can get 9V 12V 18V 24V voltge.
• ✔️MT3608 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload.
• ✔️Widely used for storage battery, power transformers, DIY adjustable regulated power supply, industrial equipment, 5V, 9V, 12V, 28V output, etc.

DS3231 IIC Precision Real time Clock Module with AT24C32 Module Arduino 5pcs

 https://www.amazon.ca/dp/B07Z47HDH4/

• Dual-H-bridge motor driver: can drive two DC motors or one bipolar stepper motorDS3231 IIC precision Real time clock module memory module Arduino
• Clock chip: high-precision clock chip DS3231, 2 programmable time-of day alarms.
• Operating voltage :3.3 - 5 .5 V needs CR2032 Battery (not included)
• Memory chips: AT24C32 (storage capacity 32K)
• Size: 38mm (length) * 22mm (W) * 14mm (height) Weight: 8g

HD 720p WiFi Camera Wireless Backup Camera for Car with Smart APP Intelligent Video Recording/Sharing Forward-Looking Camera Compatible with Android and iPhone/iPad(2nd

 https://www.amazon.ca/dp/B094XG62JJ/

• Simple installation, low cost implementation of intelligent visual astern.
• The U.S. H.264 chips with clear and smooth images.
• High power WIFI module, strong signal, long transmission distance.
• Through the device end to watch in real time, after entering the rear view video, you can watch in real time. View the reason behind the vehicle and view from the whole perspective.
• It has functions of the intelligent electronic rearview mirror and forward-looking. It can be installed in front, rear, left and right visual blind area, and the software can be opened for real-time monitoring.

10 pcs Micro USB 5V 1A TP4056 18650 Lithium Battery Charger Module Charging Board with Protection Overcharge Over-Discharge Over-Current Functions 1A Li-ion

https://www.amazon.ca/dp/B07ZBS959T/

 

• Micro USB lithium ion / lipo / 18650 battery charging board , built-in TP4056 chip, set charging and battery over-charge over-discharge over-current protection all in one practial for your DIY 18650 battery power supply to prolong its lifetime.
• Input Voltage: DC5V, Charging Cut-off Voltage: 4.2V±1%, Maximum Charging Current: 1A
• On-board micro USB and soldering joints 5V input port and charging status indicator (red indicator is charging, green or blue indicator is full charged)
• Battery Over Discharge Protection Voltage: DC2.5V, Battery Over Current Protection Current: 3A
• Package included 10 pcs TP4056 Micro USB 5V 1A 18650 lithium battery charger board

2600PCS 130 Values 0.25W Resistors Assortment kit 10 Ohm-1M Ohm 1% 1/4w Metal Film Resistors with Storage Box

2600PCS 130 Values 0.25W Resistors Assortment kit 10 Ohm-1M Ohm 1% 1/4w Metal Film Resistors with Storage Box

https://www.aliexpress.com/item/1005002613261322.html

Solar Ventilator 5.2W USB Solar Panel Powered Portable Fan for Cooling Ventilation Outdoor Home Travelling Chicken House Car Ventilation System 8 Inch

Solar Ventilator 5.2W USB Solar Panel Powered Portable Fan for Cooling Ventilation Outdoor Home Travelling Chicken House Car Ventilation System 8 Inch

https://www.amazon.com/dp/B08T82Y4R7

Solar Attic Fan, Exhaust Roof Mounted with 2100RPM Brushless DC Motor Bonus Thermostat Pre-Installed, Easy Installation Exhaust Fan

https://www.amazon.com/dp/B081WBVXZH/

 

Solar Attic Exhaust Fan Ventilation Roof Mounted 1300 CFM Vent Ventilator Green Air

Solar Ventilator Natural Light Solar Attic Fan Exhaust Vent Fan Quietly Cools your House Ventilates your house, garage or RV and protects against moisture build-up

https://www.amazon.com/dp/B078YN1RN3/

5W 1A 5V Solar Charger Panel DC Power Supply with USB Port

https://www.twingro.com/5w-1a-5v-solar-charger-panel-dc-power-supply-with-usb-port.html5W 1A 5V Solar Charger Panel DC Power Supply with USB Port

Solar fan 5.2W free energy for Greenhouse motorhome House Chicken House outdoor Home cooling chicken coop

Solar fan 5.2W free energy for Greenhouse motorhome House Chicken House outdoor Home cooling chicken coop

https://www.twingro.com/solar-fan-5-2w-free-energy-for-greenhouse-motorhome-house-chicken-house-outdoor-home-cooling-chicken-coop.html

Solar Ventilator Solar Powered Attic Exhaust Fan House Ventilated Garage or RV and Protects Against Moisture Greenhouse Fan

Solar Ventilator Solar Powered Attic Exhaust Fan House Ventilated Garage or RV and Protects Against Moisture Greenhouse Fan

https://www.twingro.com/solar-ventilator-solar-powered-attic-exhaust-fan-house-ventilated-garage-or-rv-and-protects-against-moisture-greenhouse-fan.html

USB Fan Brushless Personal Desk Fan Mini Fan for Desk Office Fan for laptop Home & Office

USB Fan Brushless Personal Desk Fan Mini Fan for Desk Office Fan for laptop Home & Office

https://www.twingro.com/usb-fan-brushless-personal-desk-fan-mini-fan-for-desk-office-fan-for-laptop-home-office.html

Wired Earbuds In-Ear Stereo Earphones with Microphone 1-Button Control Powerful Bass Ear Buds Premium Sound Noise Isolating Headphones with 3.5mm Audio Output, for iPhone, iPod, iPad, MP3, Samsung,etc

https://www.amazon.com/dp/B083HRLCCD

•   This In-Ear Earphones come with 8.7mm large driver units, speaker consisted of titanium diaphragm and aluminum alloy shell, which can freely perform different styles of songs owing to its well balance of exquisite treble, original midrange and powerful bass
• This earbuds house is All Aluminum alloy design to offer deeper but comfortable in-ear wearing experience. Equipped with 3 pairs of ear tips in different sizes(S/M/L), it also prevents falling off and isolate ambient noise
• Multi-functions are gathered in one smart button control. Only need simple operations via your fingertips to give hands-free calling (answer/end/reject) and control music (play/ pause)
• With 3.5mm jack, this wired earphone with mic is compatible with most electronic devices including iPhone and Android phones, music players, laptops
• Come with 1.2m cable, beautiful package  

cool attic whole house fan exhaust fan for attic solar powered attic fan

Free shipping Solar Attic Fan Solar 20 Watt Solar-Powered Roof Mounted with Quiet Brushless 24V DC Motor Bonus Thermostat and Humidistat Pre-Installed Easy Installation Exhaust Fan

https://www.twingro.com/solar-attic-fan-solar-20-watt-solar-powered-roof-mounted-with-quiet-brushless-24v-dc-motor-bonus-thermostat-and-humidistat-pre-installed-easy-installation-exhaust-fan.html

Webcam with microphone and speaker USB Powered Speaker for Desktop,Windows PCs,Laptop. Portable Mini Sound bar-Plug and Play

Webcam with microphone and speaker USB Powered Speaker for Desktop,Windows PCs,Laptop. Portable Mini Sound bar-Plug and Play

https://www.aliexpress.com/item/1005002021253415.html

[Upgraded] USB Computer Speaker, Laptop Speaker with Stereo Sound & Enhanced Bass, Portable Mini Sound Bar for Windows PCs, Desktop Computer and Laptops…

[Upgraded] USB Computer Speaker, Laptop Speaker with Stereo Sound & Enhanced Bass, Portable Mini Sound Bar for Windows PCs, Desktop Computer and Laptops…

https://www.aliexpress.com/item/1005001560791023.html