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2pcs TP4056 5V 1A Micro USB 18650 Lithium Battery Charging and Protection Board

Dual Function: 1) Charge lithium cells from a 5V power source 2) Protect battery from over-discharge and over-currentCharge input: 5V DC • Maximum charge current: 1000mA • Charge cut-off: 4.2VDischarge protection cut-off: 2.5V • Over-current protection cut-off: 3AMicro-USB input • Size: 2.6×1.7cmThis is an enhanced USB-powered module for charging rechargeable lithium batteries using the constant-current/constant-voltage (CC/CV) charging method.This module provides constant-current/constant-voltage (CC/CV) charging, along with protection against over-voltage, over-discharge, over-current and short circuits to protect the battery and the device that it is powering.The device to be powered by the battery is connected to the module’s OUT+ and OUT- connectors and the battery is connected to the B+ and B- connections. When connected to USB power, the module provides up to 1A charge current until the battery is charged, then switches to a constant voltage mode to keep it charged.During use, if the battery voltage drops below about 2.4V, the DW01A protection IC disconnects the battery from the OUT connectors, disabling discharge to protect the battery from running at too low and self-destructing.When the module is then connected to USB power, it will trickle charge the battery to 2.9V (the over-discharge release voltage), at which point the charge current will be linearly increased to 1A maximum and the module will reconnect the battery to the OUT connections, allowing discharge of power from the battery to a connected load. Although the module cuts output power from the battery during an over-discharge situation, it still allows trickle charging of the battery to occur.The module also protects against overcurrent and short-circuit protection – it will cut the output from the battery if the discharge rate exceeds 3A or if a short-circuit condition occurs.This module is perfect for charging single cell 3.7V 1 Ah or higher LiPo cells such as 16550s and 18650s that don’t have their own protection circuit. It can charge two cells in parallel, however since the two cells share the charging current, they take twice as long to charge as a single cell.

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10 Pcs 5x7cm (2x3in) PCB Prototyping Perf Boards Breadboards Circuit Boards

Single Sided 5cm x 7cm Copper Printed Circuit Boards (PCB) for Point to Point DIY Soldering, Breadboarding and Prototyping 10 Pieces Features (Applies to each board): 432 holes (24 x 18) Hole Diameter: About 1mm Hole pitch: Standard 2.54mm Front side holes are copper plated, reverse side are unplated Board Size: 5cm x 7cm x 1.2mm (1.97 x 2.76 x 0.05 inches) Mounting holes in 4 corners, approximately 2.5mm (0.1″) diameter Package Includes: 10 pieces (10x) 5x7cm DIY Prototype PCB Circuit Board Universal BreadboardsGet it faster! Stocks and ships from our US Colorado office for quick delivery. We provide FREE USPS First Class Shipping with Tracking – Not Economy Shipping

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NTC Thermistor Temperature Sensor Probe 10K 3950 20 Inch 50cm Length Waterproof

Discover the NTC Thermistor Temperature Sensor Probe, an essential tool for precise temperature measurements! With a 10K resistance and waterproof design, this 50cm (20-inch) probe suits various applications, from measuring air to liquids. Compatible with W1209 Temperature Controllers and Arduino setups, it offers a measurement range of -4°F to +200°F (-20°C to 105°C). The durable stainless steel sheath withstands pressure up to 1kg and features excellent insulation for reliability. Enjoy fast shipping from our Colorado office with FREE USPS Ground Advantage. Elevate your projects with accurate temperature readings today! 96 Add suggested items to your listings – Check it out on 3Dsellers.com · All Rights Reserved to My Store · eBay listing template by 3Dsellers.com – Try for Free!

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20mA LED Driver Constant Current Source Regulator – 1/2/5/10 Drivers

Experience hassle-free LED powering with the Envistia 20mA LED Driver Module. This robust and economical driver eliminates the need for pesky current-limiting resistors, making it ideal for DIYers and professional prototyping alike. With an input voltage range of 2V to 45V, it automatically adjusts to maintain a consistent 20mA output, ensuring reliable performance even with fluctuating battery levels. Perfect for automotive applications, this compact module offers easy integration into any LED circuit. Choose from 1, 2, 5, or 10 driver modules and enjoy fast shipping from our Colorado warehouse. Get yours today with FREE tracking! Electronics for IoT, Prototyping & DIY Add suggested items to your listings – Check it out on 3Dsellers.com · All Rights Reserved to My Store ·  eBay listing template by 3Dsellers.com – Try for Free!

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8-35V In 3-24V Out 5A Adjustable Waterproof DC-DC Step Down Converter

This continuously adjustable DC-DC step-down (buck) converter module converts an 8V to 35V DC input to any output voltage in the range of 3V to 24V DC output at up to 5A current (15W maximum). The output voltage is adjusted with a multi-turn potentiometer on the bottom of the module. Specifications:Input rated voltage: 12V & 24VInput voltage range: 8-35VEfficiency: 93% (half load), 91% (full load)Output voltage: 3-24V adjustable (minimum input-output voltage difference: 3V)Output voltage adjustment: Multi-turn potentiometer, bottom sideOutput current: 5A MAXOutput rated power: 15WOutput peak power: 18WVoltage regulation: <1%Load regulation: <2%Working temperature: -20C to +85C (If the ambient temperature exceeds 40C, power should be derated to maintain case temperature <85C, or enhance heat dissipation)Module Properties: Non-isolated step-down buck moduleRectification: Synchronous rectificationWaterproof rating: IP67Full load temperature rise: 45CProtection: Over-current, Over-temperature, Short-circuit protection,Auto-recovery when the device is back to normal operating parametersInput Reverse Polarity Protection: NONE (Please Series diode at the input port.)Weight: 40G (~1.5 oz)Size: 66 x 60 x 22mm (2.6 x 2.36 x 0.87 inches) L x W x HInput and output wire lengths: ~13cm (~5 inches)Output connector: Bare wireThe red and black leads are the + and – inputs, the yellow and black leads are the + and – outputsOperating Notes:As with any DC-DC converter, the input DC power supply powering this converter must be capable of providing the maximum power drawn by your load. If the input supply is not capable of providing the power, the converter will fold back the output voltage as necessary. Example: If your load draws 3A at 5V (15W), and the input supply is only capable of providing 12V at 1A (12W), the maximum output voltage the converter will deliver is 4V (12W/3A).Package includes:1X 8-35V In 3-24V Out Adjustable 5A DC-DC Step Down Waterproof ConverterGet it faster! Stocks and ships from our US Colorado office for quick delivery. Contact us for quantity/OEM pricing. We provide FREE USPS First Class Shipping with Tracking – Not Economy Shipping

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12V To 9V 1.7A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof

12V Input to 9V Output 1.7A 15W DC-DC Step-Down Power Converter DC Power Supply Module WaterproofThis miniature DC-DC step-down converter module converts a 10V to 24V (perfect for 12V automotive) DC input to 9V DC output at up to 1.7A current (15W maximum).Specifications:Epoxy sealed waterproof housingLightweight, compact, convenient to use and transportNon-isolatedWith overload / over-current / over / low voltage protection, stable performanceAuto recoveryInput voltage: DC 12V nominal, will operate on any input voltage from 10V to 24V DCQuiescent input current (no load attached): 96%Size (L x W x H): 38 * 27 * 23 mm (Length including mounting tabs is 52mm)Weight: 30gCase color: WhiteCable length: 12cm (approx)Operating Notes:As with any DC-DC converter, the input DC power supply powering this converter must be capable of providing the maximum power drawn by your load. If the input supply is not capable of providing the power, the converter will fold back the output voltage as necessary. Example: If your load draws 1.7A at 9V (15W), and the input supply is only capable of providing 12V at 1/2A (6W), the maximum output voltage the converter will deliver is 3.5V (6W/1.7A).The inputs and outputs are labeled on the sticker on top of the converter, the red and black wires are the + and – 12V input, and the red and yellow wires are the + and – 9V output. Package includes:1X 12V to 9V 1.7A Mini DC-DC Step Down ConverterContact us for quantity/OEM pricing.Get it faster! Stocks and ships from our US Colorado office for quick deliveryWe provide FREE USPS First Class Shipping with Tracking – Not Economy Shipping

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12V To 5V 3A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof US

12V Input to 5V Output 3A 15W DC-DC Step-Down Power Converter DC Power Supply Module Waterproof This 15W DC-DC converter converts a 12V input voltage (will operate with any input voltage from 8V to 24V) to 5V DC output at up to 3A. The module is epoxy sealed in a waterproof plastic housing with mounting tabs that can be used to mount the converter to a mounting plate, panel or bulkhead. Specifications: Epoxy sealed waterproof housingLightweight, compact, convenient to use and transportNon-isolatedWith overload / over-current / over / low voltage protection, stable performanceAuto recoveryInput voltage: DC 12V nominal, will operate on any input voltage from 8V to 24V DCQuiescent input current (no load attached): 96%Size (L x W x H): 38 * 27 * 23 mm (Length including mounting tabs is 52mm)Weight: 30gCase color: White Cable length: 12cm (approx)Operating Notes:As with any DC-DC converter, the input DC power supply powering this converter must be capable of providing the maximum power drawn by your load. If the input supply is not capable of providing the power, the converter will fold back the output voltage as necessary. Example: If your load draws 3A at 5V (15W), and the input supply is only capable of providing 12V at 1A (12W), the maximum output voltage the converter will deliver is 4V (12W/3A). The inputs and outputs are labeled on the sticker on top of the converter, the red and black wires are the + and – 12V input, and the red and yellow wires are the + and – 5V output. Package Includes:1x (1 piece) 12V Input to 5V Output 3A 15W DC-DC Step Down Power Converter Get it faster! Stocks and ships from our US Colorado office for quick delivery. Contact us for quantity/OEM pricing. We provide FREE USPS First Class Shipping with Tracking – Not Economy Shipping

by Unknown author

12V To 5V 3A 15W DC-DC Step Down Converter DC Power Supply Module Waterproof US

12V Input to 5V Output 3A 15W DC-DC Step-Down Power Converter DC Power Supply Module Waterproof This 15W DC-DC converter converts a 12V input voltage (will operate with any input voltage from 8V to 24V) to 5V DC output at up to 3A. The module is epoxy sealed in a waterproof plastic housing with mounting tabs that can be used to mount the converter to a mounting plate, panel or bulkhead. Specifications: Epoxy sealed waterproof housingLightweight, compact, convenient to use and transportNon-isolatedWith overload / over-current / over / low voltage protection, stable performanceAuto recoveryInput voltage: DC 12V nominal, will operate on any input voltage from 8V to 24V DCQuiescent input current (no load attached): 96%Size (L x W x H): 38 * 27 * 23 mm (Length including mounting tabs is 52mm)Weight: 30gCase color: White Cable length: 12cm (approx)Operating Notes:As with any DC-DC converter, the input DC power supply powering this converter must be capable of providing the maximum power drawn by your load. If the input supply is not capable of providing the power, the converter will fold back the output voltage as necessary. Example: If your load draws 3A at 5V (15W), and the input supply is only capable of providing 12V at 1A (12W), the maximum output voltage the converter will deliver is 4V (12W/3A). The inputs and outputs are labeled on the sticker on top of the converter, the red and black wires are the + and – 12V input, and the red and yellow wires are the + and – 5V output. Package Includes:1x (1 piece) 12V Input to 5V Output 3A 15W DC-DC Step Down Power Converter Get it faster! Stocks and ships from our US Colorado office for quick delivery. Contact us for quantity/OEM pricing. We provide FREE USPS First Class Shipping with Tracking – Not Economy Shipping

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