2.1mm DC Barrel Plug to Alligator Clips
5.5mm/2.1mm DC barrel plug broken out to red (center-positive) and black alligator clips. Rated for up to 24VDC and approximately 2-3A.
5.5mm/2.1mm DC barrel plug broken out to red (center-positive) and black alligator clips. Rated for up to 24VDC and approximately 2-3A.
Adafruit states the red alligator clip is connected to the 2.1 mm barrel plug centre positive contact.
Adafruit states the black alligator clip is connected to the 2.1 mm barrel plug ring negative contact.
2.1 mm DC barrel plug brought out to centre-positive red clip and ring-negative black clip.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Red alligator clip | power | Adafruit states the red alligator clip is connected to the 2.1 mm barrel plug centre positive contact. | Usable up to 24 VDC per Adafruit product page. | |
| Black alligator clip | ground | Adafruit states the black alligator clip is connected to the 2.1 mm barrel plug ring negative contact. | Usable up to 24 VDC per Adafruit product page. | |
| 2.1 mm DC barrel plug | power connector | 2.1 mm DC barrel plug brought out to centre-positive red clip and ring-negative black clip. | Good for about 2 or 3 A current and up to 24 VDC per Adafruit product page. |
3.3 V · 5 V
Adafruit lists its single-cell LiPo and Li-ion packs as 3.7 V nominal, with output reaching 4.2 V when fully charged.
Module pins: Red alligator clip, Black alligator clip. Schematik maps them to your board in the app.
9V alkaline cells, CR2032 coin cells, 3.7V LiPo packs (1000–1200mAh), 7.4V 2S LiPo, 18650 Li-ion holders (1–6 cells), AA/AAA holders in every configuration, and snap leads with barrel adapters.
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