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      |   Single row   Gold plated contacts Not 'break-away'  |   Generic datasheet  Sullins PPTCxx1LFBN-RC (xx is the # of pins) E.g., Sullins PPTC361LFBN-RC has 36 pins  |   Digikey  4uCON series (#00563 is 1x36 pin)  | 
	
      | 1x8 | Generic datasheet | Jameco Digikey | 
      | 1x6 | Generic datasheet | Digikey | 
      | 2x10 position 0.1" x 0.1" female header | Generic datasheet | Digikey | 
      |   "Stacky headers"   These have extra long 'tails' good for stacking Arduino shields  | 1x8 Stacking header | 4UCON | 
      |   "Stacky headers"  These have extra long 'tails' good for stacking Arduino shields  | 1x6 Stacking header | 4UCON | 
      | 2mm 10-pin header | Sullins 2mm | Digikey Mouser 4UCON | 
      | 2mm 12-pin header | Sullins 2mm | Digikey 4UCON | 
| 2mm 2x6 | Sullins 2mm | Mouser | 
    | Right-angle 'nonbreakaway' | Digikey |  Sullins PPPCxx1LGBN-RC (Datasheet)  replace xx with # of pins, PPPC361LGBN-RC has 36 pins  | 4UCON series (#00653 is 1x36) | 
    | 1-Row, 40 pins total | ex. Tyco 4-103321-0 or 4-103741-0 |  Digi-Key Mouser  4UCON series (#00833 is 1x36) Jameco #SMH40 (SMH36) Element 14  | 
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| " | 2-Row, 80 pins total | ex. Tyco 9-146250-0 or 4-103777-0 | Digikey 4UCON series (#01028 is 2x36) | ||
      | Unshrouded 2x3 (AVR ISP header) | Generic Datasheet |  JAMECO VALUEPRO #7000-2X3SG  Digikey Mouser 4UCON (1) 4UCON (2)  | ||
      | Shrouded 2x3 (AVR ISP header) | 3M 30306-6002HB | Mouser 4UCON | ||
      | Shrouded 2x5 (AVR ISP header) | 3M 30310-6002HB | Mouser Digikey 4UCON | ||
      | 2x10 position 0.1" x 0.1" right angle header | Generic diagram | Jameco Digikey 4UCON | ||
| 2x20 Breakaway (Green plastic base) | Tyco 2-826925-0 | Mouser | |||
Jumpers, also called shunts, let you short together two adjacent pins.
| .100" Jumper - Red | Generic (3M 929951-00) | Mouser | |
| .100" Jumper - Blue | Generic (3M 929952-10) | Mouser | |
| Tall .100" Jumper | Kobiconn 803x (untested) |  Mouser Black  Mouser Blue Mouser Red  |