EM-2 TTL Smart Servo Motor
- Compact TTL Smart Servo Motor – The EM-2 delivers up to 2kg stall torque, making it ideal for lightweight robotics, automation, educational projects, and embedded systems.
- Ultra-Compact & Lightweight Design – Measuring just 22 × 12 × 20mm and weighing only 8g, the EM-2 is designed for applications where space and weight are limited.
- Reliable Cored DC Motor – Built with a cored motor that provides dependable operation, smooth motion, and consistent performance for precision applications.
- Fast Operating Speed – Offers a no-load speed of 120 RPM, enabling responsive movement for robotic joints, pan-tilt mechanisms, and compact automation systems.
- TTL Serial Communication Interface – Features a TTL communication interface for easy integration with compatible servo controllers, microcontrollers, and robotic platforms.
- Stable 8V Operating Voltage – Designed to operate at 8V input voltage, providing reliable performance across compatible robotic power systems.
- Efficient Power Consumption – With a maximum stall current of 1A, the servo balances torque output with efficient power usage.
- Versatile Robotics Applications – Suitable for robotic arms, quadruped robots, educational kits, automation equipment, research projects, and custom mechatronic systems.
- Easy to Integrate – Its compact form factor and TTL interface simplify installation into both new robotic designs and replacement applications.
- Designed for Accurate Motion Control – Provides smooth movement, reliable torque output, and repeatable performance for precision robotic motion.
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
Energize Lab · Genuine EM Series
EM-2 TTL Smart Servo Motor
The EM-2 TTL Smart Servo Motor is a genuine Energize Lab component servo — the compact, lighter-duty member of the same EM-series family Energize Lab uses to build Eilik, its own companion robot.
8g Ultra-Compact
TTL Serial Control
120 RPM No-Load
EM-Series Lineage
Full Specifications
| Specification | Details |
|---|---|
| Product | EM-2 TTL Smart Servo Motor — genuine Energize Lab hardware, part of the EM Series |
| Product Category | Smart Servo Motor / Robotics Actuator Component |
| Stall Torque | 2kg (at rated 8V input) |
| No-Load Speed | 120 RPM |
| Stall Current | 1A maximum |
| Motor Type | Cored DC motor |
| xBoom SKU | xboom-146147 |
| Specification | Details |
|---|---|
| Communication | TTL serial connection, for integration with compatible servo controllers and microcontrollers |
| Input Voltage | 8V |
| Dimensions | 22 × 12 × 20mm |
| Weight | 8g |
| Series | Energize Lab EM Series (also includes the higher-torque EM-3 at 3kg and EM-10 at 10kg) |
| Manufacturer | Energize Lab (Shenzhen Zhuneng Technology Co., Ltd.) — also the creator of the Eilik companion robot |
The Compact Entry Point Into a Proven Servo Family
EM-2 TTL Smart Servo Motor: Genuine Energize Lab Hardware
The EM-2 is a genuine Energize Lab servo, verified directly against the manufacturer’s own EM Series listing — it sits alongside the EM-3 (3kg) and EM-10 (10kg) as the smallest and lightest member of the lineup. Energize Lab isn’t just a components brand: it’s the same company behind Eilik, the widely-known desktop companion robot, and the EM Series is the servo family built for exactly this kind of expressive, compact robotics work.
At just 8g and 22 × 12 × 20mm — smaller again than the EM-3 — the EM-2 trades some stall torque (2kg vs. 3kg) for an even tighter footprint, making it well suited to secondary joints, light pan-tilt mechanisms, and weight-critical assemblies where every gram counts. It shares the exact same TTL serial interface, 120 RPM no-load speed, and 8V/1A electrical profile as its larger EM-3 sibling, so a build already wired for one drops the other in without any control-side changes. Energize Lab has directly demonstrated the EM-3 at work inside Eilik’s own overload-clutch mechanism; the EM-2 is the same engineering lineage scaled down for lighter-duty joints in the same class of build.
2kg Torque, 8g Weight
An efficient power-to-weight ratio for the lightest robotic joints.
TTL Serial Control
Same interface as the EM-3 — drop-in across a shared control bus.
EM-Series Lineage
Same family and engineering as the servo proven inside Eilik.
Smallest in the Lineup
22 × 12 × 20mm — Energize Lab’s most compact EM-series servo.
See Every Detail
What It Is, and Where It Goes
The EM-2 is a smart servo motor — a self-contained rotary actuator with its own control electronics, sized for the lightest joints and mounts inside a larger robotic assembly, not a standalone product on its own.
🤖 Robotics Actuator
🧩 Light-Duty Joint Component
🎓 Educational Robotics Part
🔗 TTL Bus Servo
Light Pan-Tilt Mounts
Small camera or sensor aiming mechanisms.
Secondary Head Joints
Fine-motion accents alongside a primary EM-3-class joint.
Small Quadruped Joints
Lighter-load hip/ankle actuation in mini walkers.
Micro Grippers
Compact gripping for the smallest manipulators.
Antenna & Sensor Mounts
Light rotational positioning for onboard sensors.
Educational Robot Kits
An accessible entry-point servo for STEM builds.
Same Family as the Servo Proven Inside Eilik
The EM-2 belongs to Energize Lab’s EM Series — the same lineup as the EM-3, which Energize Lab has directly demonstrated at work inside Eilik, its own companion robot, including a filmed overload-clutch demo. The EM-2 shares the EM-3’s design language, TTL control interface, and 120 RPM no-load speed, scaled down to 2kg torque and 8g for the lightest joints in the same class of build.
Built for the Lightest Robotic Joints
The EM-2 TTL Smart Servo Motor brings the same proven EM-series engineering to your smallest, weight-critical joints.
💪
2kg Stall Torque
Efficient torque for light-duty robotic joints and mounts.
⚖️
8g, 22×12×20mm
The smallest, lightest servo in the EM-series lineup.
🔌
TTL Serial Interface
Identical control protocol to the EM-3 — shared bus wiring.
🌀
120 RPM No-Load
Responsive movement for fine-motion mechanisms.
⚡
1A Max Stall Current
Modest power draw for battery-conscious small robots.
🤖
Proven EM-Series Lineage
Same engineering family as the servo demoed in Eilik.
Built for Robotics Builders and Makers
The EM-2 TTL Smart Servo Motor suits builders who need the smallest, lightest servo in a trusted, well-documented family.
Educational Robotics
An accessible, well-documented entry-point servo for STEM projects.
Companion & Social Robots
The same servo family behind a mass-produced desktop robot.
Micro Arms & Grippers
The lightest torque tier for the smallest manipulator joints.
Quadruped & Walker Robots
Lighter-load leg-joint actuation for mini walking robots.
Custom Mechatronics Projects
A dependable, compact building block for original designs.
Prototyping & Research
A well-specified, low-current actuator for early builds.
See the EM-Series Family at Work
Energize Lab hasn’t published an EM-2-specific demo, so — honestly labeled — these are official Energize Lab videos of Eilik, the companion robot family this servo lineage was built for.
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