USB Adjustable 15W Step Up/Down Power Supply 5V to 0.5V-30V Buck Boost Converter



cayin35's reviews

 by cayin35 posted on Oct 28, 2020 09:31

usb adjustable 15w step up down power supply 5v to 0 5v 30v buck boost converter
USB Adjustable 15W Step Up/Down Power Supply 5V to 0.5V-30V Buck Boost ConverterDescription:DC adjustable constant voltage constant current step up/down power supply module with LED digital tube display.Display output voltage, output current and output power. Adjustable output voltage and current. Set output current to meet the require.It can be used as ordinary buck power supply module, charger and LED constant current driver. Simple and efficient, practical.Features:Support short circuit protectionSupport anti-backflow protectionSupport constant voltage constant current adjust4-Bit digital tube displayThree input power modesSupport over-current protectionSupport over-voltage protectionSupport over power protectionSupport over temperature protectionSupport ...
Onsale for € 3.85 and shipping from ??, ???...read more on eBay...

 by cayin35 posted on Oct 27, 2020 07:23

18650 26650 lithium li ion battery tester led meter voltage current capacity
18650 26650 Lithium Li-ion Battery Tester LED Meter Voltage Current CapacityDescription:This document describes the PZEM-005 multifunction tester model specicications, the multifunction tester is mainly usned to display the battery voltage,battery lever, load current and load resistance.Function:1. Measure the battery voltageRange:2.8~30 VResolution:0.1VAccuracy:2%2. Measure the battery capacityBattery capacity is the battery grid form on the LCD display,a total of five grids.Battery capacity is distinguished by the battery voltage.Displaying 5 grids stands for full capacity,4 grids for 4/5 capacity,3 grids for 3/5 capacity,2 grids for 2/5 capacity,1 grid for 1/5 capacity,0 grid for 0/5 capacity.Can be set the full capacity 2.9~30.0V,the exhausted 2.8-29.9V3...
Onsale for € 3.48 and shipping from ??, ???...read more on eBay...

 by cayin35 posted on Oct 25, 2020 05:01

new 12v 250ma power supply module 110 220v output 3w 12v converter adapter
NEW 12V 250MA Power Supply Module 110-220V Output 3W 12V Converter Adapter 1PCS Payment MathordReturns PolicyAbout FeedbackPayment Mathord 1. PayPal payment accepted only. 2. Items will be shipped to your eBay address. Please make sure it is correct. 3. Payment must be received 4 days after auction ended.Returns Policy 1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase. 2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn...
Onsale for € 2.43 and shipping from ??, ???...read more on eBay...

 by cayin35 posted on Oct 23, 2020 08:32

dc 8v 15v 6 bit blue led display rf signal frequency counter 0 1mhz 65mhz
DC 8V~15V 6-bit Blue LED Display RF Signal Frequency Counter 0.1MHz~65MHzDescription:With Microchip's PIC16F648A, 2.4 GHz frequency meter. Using temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO). Unique gate control and precise time algorithm (non-timed interrupt). Gate (display refresh) time 0.01 seconds / 0.1 seconds / 1.0 seconds, real-time display frequency value. Single-ended input design, three-channel frequency measurement (low channel / high channel / Auto Channel). Dual frequency design, value and IF / down mode can be preset separately. Using eight 0.56 inches high brightness digital display, eight adjustable brightness. Circuit is simple and reasonable structure, two-button control, simple operation. The settings are ...
Onsale for € 7.98 and shipping from ??, ???...read more on eBay...

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