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RoboMaster EP Core

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The RoboMaster EP Core is also called Robomaster S1 Education Expansion Set. The RoboMaster EP Core was built to take learning to the next level. This advanced educational robot provides an all-in-one solution for STEAM-based classrooms everywhere, offering AI and programming projects for students of all ages and experience levels.

RM EP VS RM EP Core

What are the differences between EP and EP Core?

ROBOMASTER EP has two versions, engineer version and warrior version (sharing one base wheels).

ROBOMASTER EP Core just has engineer version.

Can Robomaster EP Core be upgraded to Robomaster EP?

No, EP Core can not be upgraded to EP, cause there is no single warrior version accessories.

Shipping Policy

1、Order Payment above 1000 USD: The delivery time is 20 days after payment and free shipping from DJI China.

2、Order Payment below 1000 USD: The delivery time is 7 days after payment and shipping from USA warehouse, 60 USD shipping fee needed.

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Outstanding Teaching Tool

High-Performance Mechanical Accessories Powerful Compatibility Features and Abilities Introduction to Real-World AI Implementation

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Teaching Resources

Project-Based Courses

Suitable for Multiple Grade Levels

Aligns with Curriculum Standards

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Competition Database

Competition Rules and Operation Plans

Customizable Competition Arrangements
Practical Hands-On Learning

2022-01-12

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Unrivaled Tools for Teaching

The RoboMaster EP Core supports third-party open-source hardware such as Micro:bit, Arduino, and Raspberry Pi. These items can be connected and powered via serial ports on the main controller of the chassis. The EP Core can also perform model training and scene recognition through AI platforms such as NVIDIA Jetson Nano and the official DJI SDK, enhancing students’ understandings of the operating principles of AI.

Cutting-Edge Equipment & Technology

Made of steel and finished with a sleek, futuristic design, the RoboMaster EP Core is fully equipped with cutting-edge technologies that provide consistent support for classroom learning.

Structure component: robotic arm, gripper, Mecanum wheels, high-performance servo, sensor adaptor & power connector module, intelligent controller, infrared distance sensor and high performance motor.

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Add Hardware, Unlock Creativity

The versatility to accommodate third-party hardware such as building blocks and 3D printed objects provides unlimited options for learning and unlocks students’ potential and imagination.

Real-World AI Implementation

Endless programming possibilities are unlocked when you use SDKs (software development kits). Open DJI SDK is available on the EP Core and supports more than 39 programmable sensor ports. This allows students to utilize streaming data from sensor modules, video, and audio to program AI applications and experience genuine AI technology.

Infrared Distance Sensor

Detection Range

0.1-10 m

FOV

20°

Accuracy [1]

Robotic Arm

Range

Approx. 10 cm

Servo

Weight	Approx. 70 g
Body Dimensions	44.2×22.6×28.6 mm
Transmission Ratio	512:1
Operation Modes	Angle mode, Speed mode

Sensor Adaptor

Port Type	IO, AD
Number of Ports	2

Power Connector Module

Communication Port

CAN bus

Output

USB Type-A power port: 5V 2A, Power port with pin header: 5V 4ATX30 power port: 12V 5A

Input

TX30 power port: 12 V

Camera

FOV	120°
Max Still Photo Resolution	2560×1440
Max Video Resolution	FHD: 1080/30fps HD: 720/30fps
Photo Format	JPEG
Video Format	MP4
Sensor	CMOS 1/4″; Effective pixels: 5 MP
Operating Temperature Range	-10 to 40 °C (14 to 104 °F)

Hit Detector

Detection Requirements	For the Hit Detector to be activated, the following conditions must be met: Gel bead diameter ≥ 6mm, launching speed ≥20m/s, and the angle between the hit direction and hit detector plane is no less than 45°.
Maximum Detection Frequency	15 Hz

EP Core

Weight	Approx. 3.3 kg
Dimensions	320×240×270 mm (length × width × height)
Chassis Speed Range	0-3.5 m/s (forward) 0-2.5 m/s (backward) 0-2.8 m/s (sideways)
Max Chassis Rotational Speed	600°/s

M3508I Brushless Motor

Max Rotational Speed	1000 rpm
Max Torque	0.25N·m
Max Output Power	19 W
Operating Temperature Range	-10 to 40 °C (14 to 104 °F)
Driver	FOC
Control Method	Closed-loop speed control
Protection	Overvoltage protection Overtemperature protection Soft-start Short-circuit protection Chip and sensor anomaly detection

Intelligent Controller

Latency [2]	Connection via Wi-Fi: 80-100ms Connection via Router: 100-120ms (unobstructed, free of interference)
Live View Quality	720p/30fps
Max Live View Bitrate	6 Mbps
Operating Frequency [3]	2.4 GHz, 5.1 GHz, 5.8 GHz
Max Transmission Distance [4]	Connection via Wi-Fi: FCC, 2.4 GHz 140 m, 5.8 GHz 90 m CE, 2.4 GHz 130 m, 5.8 GHz 70 m SRRC, 2.4 GHz 130 m, 5.8 GHz 90 m MIC, 2.4 GHz 130 m
Connection via Router:	FCC, 2.4 GHz 190 m, 5.8 GHz 300 m CE, 2.4 GHz 180 m, 5.8 GHz 70 m SRRC, 2.4 GHz 180 m, 5.8 GHz 300 m MIC, 2.4 GHz 180 m
Transmission Power (EIRP)	2.400-2.4835 GHz FCC: ≤30 dBm SRRC: ≤20 dBm MIC: ≤20 dBm 5.170-5.25 GHz FCC: ≤30 dBm SRRC: ≤23 dBm MIC: ≤23 dBm 5.725-5.850 GHz FCC: ≤30dBm SRRC: ≤30dBm
Transmission Standard	IEEE802.11a/b/g/n

Intelligent Battery

Capacity	2400 mAh
Nominal Charging Voltage	10.8 V
Maximum Charging Voltage	12.6 V
Battery Type	LiPo 3S
Energy	25.92 Wh
Weight	169 g
Operating Temperature Range	-10 to 40 °C (14 to 104 °F)
Charging Temperature Range	5 to 40 °C (41 to 104 °F)
Maximum Charging Power	29 W
Battery Life in Use	35 minutes (measured at a constant speed of 2 m/s on a flat surface)
Battery Life on Standby	Approx. 100 minutes

Charger

Input	100-240 V, 50-60Hz, 1A
Output	Port: 12.6 V=0.8A or 12.6 V=2.2A
Voltage	12.6 V
Rated Voltage	28 W

App

App	RoboMaster
iOS	iOS 10.0.2 or later
Android	Android 5.0 or later

Router

Recommended Routers

TP-Link TL-WDR8600; TP-Link TL-WDR5640 (China)

TP-Link Archer C7; NETGEAR X6S (International)

Recommended outdoor power supply solution for routers

Laptop Power Bank (match the input power of the router)

microSD card

Supported SD Cards

Supports microSD cards with a capacity up to 64GB

Others

Notes

1. Applies to surfaces with reflectivitiy ranging from 10% to 90%.

2. Measured in an interference-free and unobstructed enviroment with a distance of approximately one meter between the mobile device, the router, and the EP. The iOS device used was an iPhone X. The results of testing with different Android devices may be different.

3. Outdoor use of the 5.1 GHz and 5.8 GHz frequency bands is prohibited in some areas. Always follow all local laws and regulations in your country or region.

4. Measured in an interference-free and unobstructed environment. For Connection via Wi-Fi, the mobile device used for testing was a sixth-generation iPad (released in 2018). For Connection via Router, several router models were used for testing. FCC: TP-Link Archer C9; SRRC: TP-Link WDR8600; CE: TP-Link Archer C7; MIC: WSR-1160DHP3.

How can I calibrate the chassis of the RoboMaster EP Core?

Connect the robot with the RoboMaster app, tap Settings->System-> Gimbal and Chassis Calibration, and follow the instructions.

If multiple routers are set to wireless roaming, can the RoboMaster EP Core switch between the routers seamlessly?

No. Connection error will occur if the EP Core is switched from one router to another.

How do I connect the RoboMaster EP Core with the RoboMaster app?

The RoboMaster EP Core can be connected via Wi-Fi or router. For detailed operation instructions, please refer to the video: How to Connect RoboMaster S1/EP/EP Core to the app.

What is the effective video transmission range of the RoboMaster EP Core?

Connection via Wi-Fi: FCC: 2.4 GHz: 140 m, 5.8 GHz: 90 m CE: 2.4 GHz: 130 m, 5.8 GHz: 70 m SRRC: 2.4 GHz: 130 m, 5.8 GHz: 90 m MIC: 2.4 GHz: 130 m Connection via Router: FCC: 2.4 GHz: 190 m, 5.8 GHz: 300 m CE: 2.4 GHz: 180 m, 5.8 GHz: 70 m SRRC: 2.4 GHz: 180 m, 5.8 GHz: 300 m MIC: 2.4 GHz: 180 m Note: All ranges were measured in an interference-free, unobstructed environment.

How long is the battery life of the RoboMaster EP Core and how long does it take to fully charge the battery?

The max battery life during use is 85 minutes (measured at a constant speed of 0.8 m/s on a flat surface), and the charging time is 90minutes. Note: Battery life on standby is about 100 minutes.

What are the chassis speed and accelerated speed of RoboMaster EP Core? Engineer: The max forward, backward, and sideward speed is 0.8 m/s.

What expansion ports does the RoboMaster EP Core have?

Apart from the PWM, SBUS, UART, and USB ports on the Intelligent Controller, the RoboMaster EP Core also provides 4 sensor adapters (compatible with ADC sampling ports and IO ports) and a power connector module (supports CAN BUS communication interface) to connect sensors using various ports.

Can the RoboMaster EP Core be controlled with the gamepad?

Yes, but the gamepad can only be used to control the chassis, the Robotic arm and Gripper are not currently able to be controlled with the gamepad.

What programming languages are supported by RoboMaster EP Core Lab?

Currently, the EP Core Lab supports two programming languages: Scratch 3.0 and Python 3.6.

How many programmable modules does the RoboMaster EP Core have?

Up to 39 programmable sensor modules are supported, including chassis motor, gripper, robotic arm, sensor adapter, armor, LED, and more.

What AI modes can be programmed with the RoboMaster EP Core?

Line Recognition, Vision Marker Recognition, People Recognition, Clapping Recognition, Gesture Recognition, and Recognition of other RoboMaster units.

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