PeeCee TED

PeeCee TED, The packed powerful microcomputer that brings your robotic visions to life with precision and versatility.

Welcome to the ever-growing ecosystem of Yudu Robotics, where innovation meets creativity, and the future of robotics continues to evolve. At the heart of it all is PeeCee or in short Play Computer, a Red Dot Award-winning computational kit designed to bring your ideas to life. PeeCee is not just another gadget; it's the brain behind TED, Klaw-b, Crawl-e and Zing. Most of our robots, sensor, and attachment in our expanding lineup either relies on PeeCee or is built around it, making it the core of what Yudu Robotics offers.

PeeCee TED comes equipped with a rich array of internal sensors, 4 I/O ports each with 2 GPIO's on each port along with edge connector to expand up to 18 GPIO's, making it versatile and powerful. Built in microphone, temperature sensor, accelerometer, gyroscope, color sensor, light sensor, proximity sensor, gesture sensor, and touchpad buttons, along Its addressable RGB LED eyes and smile LEDs, paired with a buzzer, allow it to interact with users.

But that’s just the beginning! Whether you’re a beginner coding with single tap, sequential programming or an advanced coder diving into Python or C, our PLODE’s (Playful Coding) flexible programming environment opens the door to limitless possibilities. From smart robotics projects to fun experiments, PeeCee TED empowers users to bring their creative visions to life.

Getting started

In this guide, you will learn everything you need to start exploring PeeCee TED and its vast capabilities. It will cover PeeCee TED’s features, including its built-in sensors and internal components that make it a powerful tool for robotics and coding projects. You will also find detailed information about PeeCee TED’s anatomy, helping you understand each part and its functionality. Additionally, it will delve into external components and modules that can be connected to PeeCee TED to enhance its versatility. By familiarizing yourself with these elements, you will be well-equipped to begin your journey into robotics and innovation with PeeCee TED.

PeeCee TED Anatomy

Part	Functionality	Specification
USB Port	Charge and Flash code	Type C
Port A	Dual I/O (ADC + GPIO)	12 bit ADC (0-4095)
Port B	Dual I/O (ADC + GPIO)	12 bit ADC (0-4095)
Port C	Dual I/O (ADC + GPIO)	12 bit ADC (0-4095)
Port D	I2C + GPIO
Touchpads	Facilitates Touch Input * 4	Capacitive
Power Button	Single tap to power on and double tap to power off.	Tactile
Boot Button	Erases flash when double tapped, single tap to pause or resume and long press to total shutdown.	Tactile
RGB LED Eyes	RGB LED's * 12	Addressable
Smile LED's	LED's * 4	White
Buzzer	Generate tones	Active
Temperature sensor	Measures temperature	Ambient
Proximity Sensor	Measures relative distance	Infrared
Gesture Sensor	Detects hand gestures	Up, Down, Left, Right or complex gestures like circular motion
Color Sensor	Detects RGB	0-255 per color channel
Ambient Light Sensor	Detects light intensity	16 bit
Accelerometer and Gyroscope (Built-in)	Detects acceleration and angular velocity	3-axis
Processor	Manages multitasking, connectivity, and optimizes performance.	240 MHz Dual core
Microphone	Can detect sound and give analog output	MEMS, 100-10khz
Edge connectors	18 GPIO	Expandable

Key Features

• Compact and lightweight design for portability
• Repeated Reusability and Measurement
• Compatible with a wide range of sensors and actuators
• Compatible with technic blocks
• Programmable with PLODE.org for easy coding
• Built-in sensors for advanced interaction capabilities
• Ideal for STEM education and personal projects

Hardware

Mechanical Specifications

Housing Material

Injection-Moulded PP (Polypropylene) plastic housing ensures impact resistance and protects internal components.

Dimensions

Compact and easy to integrate into various projects, PeeCee TED is thoughtfully designed to save space without compromising functionality. The board measures 51.9mm in width, 61mm in length, and 21.8mm in height, making it an ideal fit for a variety of compact applications. Its size enables seamless installation into mini projects while maintaining accessibility for interacting and connectivity.

Dimension	Measurement
Width:	51.9 mm
Length:	61 mm
Height:	21.8 mm

Weight

Weighing just 45.4 grams, including the battery, the PeeCee TED is impressively lightweight, making it highly portable and easy to handle. This low weight allows for incorporating the device into mobile or hand-held projects without adding bulk.

Electronics Specifications

PCB Specification

FR4, 2-layer PCB with a thickness of 1.6 mm curved shape having bright yellow solder mask and black legend.

Processor Specification

Specification	Details
Board Name	PeeCee TED
Processor	240 MHz Dual core risc-v Processor
Flash Memory	4 MB
Operating Frequency	Up to 240MHz
Voltage for Peripherals	3.3V
SRAM	512KB
Connectivity Protocol	Bluetooth 5.0, USB, WiFi

Ports and connectivity

PeeCee TED connects seamlessly to external devices and apps, including our flagship PLODE software, via Bluetooth Low Energy (BLE), enabling energy-efficient communication. Its USB Type-C port not only handles power input but also offers reliable data connectivity. The board features 4 dual 3.5mm auxiliary ports, which can accommodate up to 8 devices using splitters. And in the bottom features an edge connector comprising 18 GPIO's that can be plugged to our shield to enhance motoring activity. These ports are highly versatile, functioning as both analog and digital GPIO ports, making PeeCee TED adaptable to a wide range of input and output devices.

Specification	Details
Connectivity Protocol	Bluetooth 5.0 (BLE), USB, WiFi
USB Port Type	USB Type-C
USB Input Voltage	5V
Auxiliary Port Type	3.5mm Ports
Total Ports	4 Dual GPIO ports, each having 2 GPIO's
Port Functionality	Analog and Digital GPIO
Port Voltage	5V
Maximum Current Output	2.4A
Edge Connector	18 GPIO's

Battery

The PeeCee TED is powered by a robust internal Lithium-polymer (LiPo) battery with a capacity of 1200mAh and a nominal voltage of 3.7V, ensuring reliable operation over extended periods. This efficient power source is complemented by safety features like resettable fuses, which automatically disconnect power in case of overload or reverse polarity connections. Additionally, PeeCee TED's total power output is capped at 2.4A, ensuring inductive loads to work smoothly.

Specification	Details
Battery Type	Lithium Polymer (LiPo)
Battery Capacity	1200mAh
Nominal Voltage	3.7V
Max charging current	960mA

Built-in Sensors and Specifications

The PeeCee TED packs a powerhouse IC that combines Gesture Detection, Proximity Detection, Colour Detection, and Ambient Light Detection into one sleek package.

Specification	Details
Supply Voltage	2.4 V to 3.6 V
Operating Voltage	3.3 V
Max Detection Distance	100 mm
Communication Protocol	Digital I2C
Integrated Features	Gesture, Proximity, Color, Ambient Light
Ambient Light Rejection	Built-in
Temperature Range	-40°C to 85°C
Package Type	Compact Optical Module

Gesture Detection

This feature in PeeCee TED acts as your personal motion tracker, expertly detecting the motion of your hands. Using four directional photodiodes, it senses reflected IR energy to identify gestures like up, down, left, and right with precision. Beyond basic gestures, it can even interpret complex patterns, such as circular motions.

Proximity Detection

The proximity detection sensor in PeeCee TED knows exactly when you’re near it. It measures distance by analyzing the intensity of reflected IR light emitted by its integrated LED, enabling precise recognition of how close you are to the device.

Colour (RGBC) and Ambient Light Detection

This sensor does not just see light, it understands it. With the ability to detect and differentiate colours like red, green, blue, and even clear light, this sensor brings vibrant precision to PeeCee TED.

Light Sensor

The light detection sensor in PeeCee TED is all about smart illumination detection. It not only detects ambient light levels but also works hand-in-hand with the color sensor, analyzing ambient brightness to help optimize power consumption

Temperature Sensor

The PeeCee TED’s temperature sensor is powered by a thermistor. It is highly sensitive and capable of accurately detecting and responding to ambient temperature changes. Compactly embedded on the PeeCee TED , this sensor ensures real-time temperature monitoring with impressive precision, it’s perfect for any project needing environmental monitoring and temperature data.

Specification	Details
Sensor Type	Thermistor
Measurement Range	-40°C to +125°C
Response Time	≤ 10 seconds
Accuracy	± 0.5°C
Operating Voltage	3.3 V
Operating Current	≤ 1 mA
Resistance at 25°C	10 kΩ
Interface	Analog
Temperature Coefficient	Negative

Accelerometer and Gyroscope

The PeeCee TED incorporates a high-performance accelerometer and gyroscope sensor module to monitor motion and orientation precisely. These sensors work together to measure linear acceleration and angular velocity, enabling applications such as motion tracking and stabilization. With advanced signal processing, this module delivers low noise and high sensitivity. Hence whether you're measuring velocity or creating a self-balancing bot, this sensor provides the necessary accuracy and precision.

Accelerometer Specifications:

Specification	Details
Type	3-axis Accelerometer
Measurement Range	±2g, ±4g, ±8g, ± 6g
Axes	3-axis
Sensitivity	Programmable
Noise Density	200 µg/√Hz
Sampling Rate	Digitally programmable
Operating Voltage	3.3 V
Output Data Rate	1 Hz to 800 Hz
Full-Scale Resolution	16 bits
Communication Protocol	I³C, I²C, SPI

Gyroscope Specifications:

Specification	Details
Type	3-axis Gyroscope
Measurement Range	± 16°/s to ± 2048°/s
Axes	3-axis
Noise Density	15 mdps/√Hz
Sampling Rate	Digitally programmable
Sensitivity	± 3%
Operating Voltage	3.3 V
Output Data Rate	1 Hz to 800 Hz
Drift Compensation	Embedded in-run calibration
Communication Protocol	I³C, I²C, SPI

Microphone

PeeCee TED’s microphone sensor detects sound from the surrounding environment, enabling the PeeCee TED to respond to audio changes, adding functionality for sound-based interactive projects.

Parameter	Specifications
Microphone Type	Digital MEMS Microphone
Operating Voltage	3.3 V
Current Consumption	120 µA
Sensitivity	-42 dB FS ± 3 dB
Signal-to-Noise Ratio	63 dB
Frequency Response	100 Hz to 10 kHz
Output Format	Pulse Density Modulation (PDM)
Directional Pattern	Omnidirectional
Acoustic Overload Point	120 dB

Buzzer

The buzzer used in PeeCee TED is an active type, typically referred to as an active buzzer because it only requires a DC voltage to produce sound without needing an external oscillator using a built-in oscillator. This makes it highly efficient and easy to integrate into various projects where alert signals or feedback sounds are needed.

Specification	Details
Type	Active Buzzer
Rated Voltage	3 V
Operating Voltage	2 - 5 V
Rated Current	30 mA
Sound Output	80 dB
Resonant Frequency	2300 ± 300 Hz
Operating Temperature	-20 ~ +70 ℃

Touchpads

The touch sensor in PeeCee TED is a highly efficient capacitive sensor designed to detect touch inputs through changes in capacitance. When a finger or conductive object contacts the surface, it measures the capacitance between electrodes to determine the validity of the touch.

Software

PeeCee TED can be coded and controlled using many methods. All these methods are using the PLODE app.

What is the PLODE app?

Plode app and website transform coding and robotics into an exciting and accessible adventure for everyone, whether you’re a curious beginner or a tech enthusiast. With PLODE, you can effortlessly control and program an array of fantastic robots and kits like PeeCee TED, Roboki, Zing, Crawl-e, and Klaw-b.

Methods

• Hex Block Programming: A unique and intuitive block-based coding system tailored for beginners.
• Block Programming: Standard block-based coding similar to Scratch, ideal for younger users and beginners.
• Flowchart Programming: A visual programming method that uses flowcharts to design logic.
• Python Programming: For more advanced users, Python allows for detailed and sophisticated programming.
• C Programming: Provides low-level control for advanced users familiar with C language.

Note: for detailed explanation on how to use the above methods, visit Plode.org

Add- ON's

Enhance PeeCee TED's capabilities with these add-ons:

1. Ai-1

The integration of Ai-1 with PeeCee TED enhances its capabilities by adding advanced visual processing, voice recognition, and environmental awareness. By linking the Ai-1 via the port connector and managing it through the PLODE app, users can turn PeeCee TED into an interactive, smart assistant. The Ai-1 empowers PeeCee TED to recognize faces, respond to voice commands and detect motion. This transformation elevates PeeCee TED from a basic computing unit to an intelligent companion capable of dynamic interactions, making it more responsive and engaging.

Visit Ai-1 ^[1]

2. PeeCee Compute Kit

At the heart of the PeeCee Compute Kit is the Shield, which connects to TED via edge connectors, unlocking expanded input and output options for advanced projects. This comprehensive expansion kit includes a variety of sensors, such as proximity, light, and rain sensors, along with switches and output modules like MP3 sound players, OLED displays, single and dual-channel LED modules, and a laser module. It also features motors, servos, actuators, motor drivers and everything you need to bring your ideas to life.

3. Technic Blocks

One of the standout features of the PeeCee TED is its compatibility with technic blocks, allowing users to combine programming and electronics with physical construction. This makes PeeCee TED an excellent tool for hands-on projects, where users can create complex systems and structures, enhancing both their creativity and technical skills.By seamlessly combining physical construction with programmable electronics, PeeCee TED encourages problem-solving and innovation in both beginners and advanced users alike.

FAQs

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