5.5 / 2.1mm Barrel Connector - DC Power Plug
DIY 5.5mm outer / 2.1mm center-pin DC power plug with screw solder terminals and a crimp strain relief inside a removable outer shell. Mates with standard 5.5/2.1mm barrel jacks.
Connectors
228 other optionsPassive adapters, 2.54 mm pin headers, terminal blocks, JST and barrel-jack connector pairs, RF antennas and microSD adapters. Mechanical fit between two connectors does not confirm voltage, pinout or protocol compatibility.
Related groups
4 groups
"Wire Wrap" Thin Prototyping & Repair Wire - 200m 30AWG Blue visual preview
0.4mm Heat Resistant Welding Wire (Black) visual preview
0.4mm Heat Resistant Welding Wire (Blue) visual preview
0.4mm Heat Resistant Welding Wire (Green) visual previewCables
Around 250 entries: JST SH/PH cable pairs, Grove and STEMMA QT/Qwiic leads, jumper wires, silicone hookup wire from 30 AWG to 8 AWG, and FPC ribbon cables. Ecosystem bridge cables exist for the PH-to-SH pitch mismatch.
Connectors & cables · Cables & wires · 261 parts
Raspberry Pi Micro USB to USB-C Adapter - Black visual preview
SparkFun Qwiic Pro Micro - USB-C visual preview
SparkFun USB Micro-B Plug Breakout visual preview
USB cable - USB A to Micro-B visual previewUSB and serial
Passive USB cables plus passive USB cables, Micro-B and USB-C breakouts, CP2102 and FT232 USB-UART bridges, DIY cable assembly parts, and USB-C development boards. Data support, host/device role and logic voltage vary significantly across the group.
Connectors & cables · USB cables · 95 parts
1.75mm PLA (1kg) - Black visual preview
1.75mm PLA (1kg) - Gold visual preview
1.75mm PLA (1kg) - Green visual preview
1.75mm PLA (1kg) - Natural visual preview3D printing
DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.
Tools & prototyping · 3D printing · 53 parts
10W Super Bright LED - Violet visual preview
10W Super Bright LED - Warm White visual preview
3-Pin LED Strip Connector Cable - Single Head (5PCS) visual preview
3-Pin LED Strip Connector Cable (5PCS) visual previewLED pixels
WS2812/SK6812 NeoPixel strips, rings and Jewels, APA102 DotStar pixels, and plain analog RGB strips — each matched to its protocol and host, not just its connector.
Components · Addressable LEDs · 176 parts
