ERS-210

Released in 2001, the ERS-210 is the most widely produced AIBO and the first to use the second generation Aperios architecture.

History
At launch, the ERS-210 sold for $1299 USD.

Design
The ERS-210 was inspired and designed after a lion cub. It has sharp ears, a pointy tail, claws, and a visor that serves as the face, along with 6 LEDs to show emotion. The camera is located where the nose would be, like many other models. The microphones are located on the sides of the face, and resemble whiskers. The ERS is 6.06" (W) x 10.47" (H) x 10.79" (L) and weighs 3.3 lbs. (1.5kg).

Function
The ERS-210 includes an LCD display and two buttons on the front of the core (front legs must be removed to utilize this). This screen is used to edit AIBO's calendar, clock, time zone, volume level, and check the battery level. To help AIBO work properly, it is equipped with many useful functions: a PC card slot (for the LAN card, located n the back of the core- back legs must be removed), Memory Stick Slot, and sensors for temperature, Infrared distance, acceleration, pressure (located on the head [between the ears], back [middle panel], chin [soft plastic with a bump], and paws [the "meatballs"], vibration, and CMOS image sensor [for taking photos]. AIBO has two microphones and a speaker on the inside of the top of the jaw.

Hardware
The ERS-210 has 20 total degrees of freedom (movement): one in the mouth, three in the head, three in each of the legs, two in each ear, and two in the tail. The three head axes are prone to three malfunctions due to a design flaw of the clutches, known as Droopy Head Syndrome (DHS), Tilt Axis Syndrome (TAS), and Pan Axis Syndrome (PAS). If an ERS-210 head does not make the usual mechanical whirring sounds while being manually turned in a certain direction, the head likely has the syndrome relating to that axis. When the AIBO is powered, it will make a much louder whirring noise when the head is stuck in a position it cannot get itself out of due to the syndrome, and must manually be nudged back into the position it is trying to execute.

Models
The ERS-210 sold the most units and as a result also had the most derivative models. It's success also gave birth to a similar, but separately released AIBO, the ERS-220. The ERS-210 was sold in a variety of colors- some limited edition, and some exclusive to the Supercore (read below) update. The first batch of ERS-210 AIBO robots were available in black (ERS-210/B), gold (ERS-210/N), and silver (ERS-210/S). These three colors were the standard for the ERS-210 and sold throughout the ERS-210's lifespan.

Supercore
Primarily utilized in the RoboCup competition series but produced en masse, Supercore refers to an updated core from the original ERS-210 and ERS-220 modules.

Special Editions
Out of all the models, the 210 had the most colors and special editions.

In 2000, the original silver, black, and gold ERS-210's launched. Special editions in 2001 began with Spring Orange and White, followed by 2nd anniversary Sapphire Violet, Mazeran Green, and Everest White. In 2002, the My Select AIBO Sony release, as well as the Holiday Red and White AIBOs, finishing the ERS-210's production before the final version in 2003, the Cyber Blue in celebration of AIBO's 4th anniversary.

Software
List of 2x AIBOWARE

Troubleshooting
See: Troubleshooting (2X)