here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"volt meter"
AJMRTC DC-DC Converter Power Module, 2.8V-5.5V Input to ±12V Dual Output Boost Board, 5V to Plus Minus 12V Step Up Power Supply Module for Op-Amp, Audio Circuit, Electronic DIY Projects
Limited time offer, ends 11/25
$10.80
Free Shipping
AJMRTC Mini DC-DC Buck Boost Converter Module, DC 6-20V 12V/24V to 5V USB Output Charger Power Supply, Adjustable Step Down Step Up Voltage Regulator Board for DIY Electronic Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC AC to DC Converter 12V 6W, 110V AC to 12V DC Car Cigarette Lighter Socket Adapter, Wall Plug Power Supply Convert Household AC to 12V DC for Low Power 12V Car Accessories, GPS, Car Dash Cam
Limited time offer, ends 11/29
$20.62
Free Shipping
AJMRTC DC-DC Step Up Boost Converter Module, 0.9V-5V Input to 5V 600mA USB Output, Power Bank Charging Voltage Regulator Circuit Board for DIY Portable Power Projects, 1PCS
Limited time offer, ends 11/25
$10.18
Free Shipping
AJMRTC 1PCS 5A DC-DC Step Up Power Module, XL6019 Boost Voltage Converter 3.3V-35V Input to 5V 6V 9V 12V 24V Adjustable Output, High Current Boost Regulator for Electronic DIY Circuit
Limited time offer, ends 11/25
$11.03
Free Shipping
AJMRTC DC-DC Buck-Boost Converter Module, 3V~15V Input to 1V~15V Adjustable Output 5V 6V 9V 12V, 700mA 5W Auto Step Up Step Down Voltage Regulator for Electronic DIY Circuit
Limited time offer, ends 11/25
$10.41
Free Shipping
AJMRTC 3V to 5V 9V 2A DC-DC USB Step Up Boost Power Module, Lithium Battery Charger Board, Integrated Charge & Discharge Booster Converter for 18650 Li-ion Cell DIY Power Bank Electronic Projects
Limited time offer, ends 11/25
$12.24
Free Shipping
AJMRTC DC-DC Step Up Boost Converter Module, 2-24V Input to 3-30V Output, 4A 80W CC CV Adjustable Regulated Power Supply with USB Port, for Battery Charging and DIY Electronic Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 300W 20A DC-DC Buck Converter Step Down Module, Constant Current LED Driver, Adjustable Step-Down Voltage Regulator Board with Electrolytic Capacitor for Battery Charging & LED Lighting
Limited time offer, ends 11/25
$15.98
Free Shipping
AJMRTC High Voltage Isolated DC-DC Buck Converter Module, Wide Input 22V-290V, Adjustable Output 3.6V-15V Isolated Step Down Power Supply Board for Industrial Power DIY Projects
Limited time offer, ends 11/25
$12.48
Free Shipping
USB to 485/422 Converter Serial Port Industrial Communication Module RS485 Nine pin Nine pin DB9 Adapter RS232 Interface Laptop Adapter 3M
Limited time offer, ends 11/07
$84.79
Free Shipping
AJMRTC 2PCS DC-DC Step Down Buck Module, 6V-32V 12V 24V to QC3.0 Single USB Fast Charging Converter Board, DC Voltage Regulator Power Charger Module for Car, Motorcycle, RV, DIY Electronic Power
Limited time offer, ends 11/29
$19.66
Free Shipping
AJMRTC ZK-4KX CNC DC-DC Buck Boost Converter Module, CC CV 0.5-30V 4A Adjustable Regulated Power Supply, Digital Voltage Current Stabilizer for Solar Charging Battery Charger DIY Projects
Limited time offer, ends 11/25
$20.60
Free Shipping
AJMRTC DC-DC Boost Step Up Module, Mini High Efficiency 3.7V Lithium Battery Booster Board, Convert 3.7V to 5V 3A Output, Portable Mobile Power Charger Circuit for DIY Power Bank Projects, 1PCS
Limited time offer, ends 11/25
$11.74
Free Shipping
AJMRTC 80W Automatic Buck-Boost Stabilized Power Supply Module, DC 10-35V Input to 1-35V Adjustable Output, DC-DC Step Up Step Down Voltage Regulator for Car Charging Projects
Limited time offer, ends 11/25
$18.65
Free Shipping
AJMRTC Mini DC-DC Step-Up Boost Converter Module, 1V-5V Input to 5V 600mA Output Voltage Regulator Board, Portable Power Booster for Low Voltage DIY Electronic Projects
Limited time offer, ends 11/25
$10.41
Free Shipping
AJMRTC Car USB Charger Buck Converter Module, 4.5V-40V Wide Input Voltage, 5V 2A Output with Dual-Wire Voltmeter, DC-DC Step Down Power Supply Board for Automotive Electronic DIY Projects
Limited time offer, ends 11/25
$15.52
Free Shipping
