Printoo is a modular platform specifically designed for printed electronics components. At its core is a high performance, low power 8-bit AVR ATMega328 microcontroller. Below is a list of the various modules and components that make part of Printoo. Pictures are of Printoo in prototyping stages, the final product may still have slight alterations.
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- Printoo Core Module
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- Ynvisible Display Driver Module
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- Printed Battery Connector Module
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- Coin Battery Module
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- Sensor Module
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- Solar Cell Connector Module
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- Conductive Ink Adapter Module
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- Capacitive Sensing Keys Module
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- DC Motors Drivers Module
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- Ynvisible Display
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- Blue Spark Battery
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- Enfucell Soft Battery
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- ISORG Organic Photodetector
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- Mekoprint Solar Cell
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- VTT LED Strip
Printoo Core Module
Operating Voltage: 1.8 - 5.5 V
Flash Memory: 32 kB
SRAM: 2 kB
EEPROM: 1 kB
Clock Speed: 16 MHz
For the full technical specifications, please consult the microcontroller datasheet.
Physical Characteristics
Printoo board has approximately 35 mm x 35 mm (1.38 inch x 1.38 inch) in length and width, and has less than 2 mm (0.08 inch) of thickness. The board itself weighs 4 g.
Programming
Printoo is fully compatible and programmable with the Arduino IDE (download). The ATmega328 microcontroller on the Printoo board comes pre-burned with a bootloader that allows you to upload new code into it with the Arduino IDE.
Ynvisible Display Driver
- 8-bit Serial-In/Parallel-Out (SIPO) shift register operation (Libraries for Arduino in development)
- 2 Electrochromic (EC) displays can be connected (max 2×8 bit per module)
- Serial out for cascade functionality
Printed Battery Connector
- 2x 1.5V printed battery (in series)
- Enfucell and Bluespark batteries can be connected
- For low power applications
Sensor Module
- Accelerometer – 3-axis analog output
- Light Sensor (Phototransistor)
- Temperature sensor (NTC) – 10kΩ
- Button
Solar Cell Connector
- Battery and solar panel connectors
- Battery management IC
- 3.3V regulator for the ATmega
Conductive Ink Adapter
- Pads for Conductive ink
Capacitive Sensing Keys
- 5 capacitive sensing keys
DC Motors Drivers
- Connection for 2 motors
- 2 H-bridge modules controlled by 2 PWM outputs from Core Module
- 2A polyfuse (max motors driving current is 2A)
Ynvisible Electrochromic Display
- Driving Voltage: 1.5V
- Thickness: 500 microns
- Contrast: ΔE > 35
Blue Spark Ultra-Thin Battery
- Voltage: 1.5 V
- Capacity: 37 mAh
- Height: 55 mm
- Length: 47 mm
- Thickness: 500 um
Enfucell Soft Battery
Technical Specifications
(Enfucell is manufactured by Xymox in North America)
- Voltage: 1.5 V
- Capacity: 90 mAh
- Height: 60 mm
- Length: 72 mm
- Thickness: 700 um
ISORG Organic Photodetector Slider
- Isorg’s Organic Photodetector Slider is composed of six organic photodetectors, coupled with 6 IR LEDs, which allows the detection of hand movement over it.
Mekoprint Polymer Solar Cell
- Design optimized for 5V applications, although it works well with lower voltages.
- Can output up to 9V.
- Can be cut in half to fit the size to the application.
VTT LED Strip
- Red LED die chips on transparent PET;
- 350 microns thickness;
- Flexible
