Web Site: www.parallax.com Office: (916) 624-8333 Forums: forums.parallax.com Fax: (916) 624-8003 Sales: sales parallax.com Sales: (888) 512-1024 Technical: support parallax.com Tech Support: (888) 997-8267 Propeller Board of Education ( 32900) The form of the original Board of Education meets the powerful function of the multicore Propeller microcontroller. A built-in set of peripherals makes it ready to support an amazing array of projects, prototypes, hands-on activities, and kits. The Propeller Board of Education is ideal for learning the basics of electronics, programming and robotics. It also simplifies advanced applications that require RF-linked communication, audio/visual peripherals, and gigabytes of SD memory. Features Key Specifications Built-in Propeller microcontroller, 64 KB Power requirements: 416 VDC EEPROM and 5 MHz crystal oscillator. Communication: USB for programming Breadboard, sockets for power and I/O Dimensions: 4.375 x 3.05 x 0.625 in access, and six servo ports with power- (11.11 x 7.75 x 1.50 cm) select jumpers for easy prototyping Operating temp range: +32 to +158 F Automatically selects between USB and (0 to +70 C) external power sources and provides USB over-current protection Application Ideas 9 V battery and center-positive 2.1 mm Mount on a Boe-Bot robot chassis to power connectors offer two external create your own customizable Propeller power options robot Convenient reset button and 3-position Use in the classroom to teach power switch electronics, programming, robotics, and Onboard mini stereo-audio jack, electret the fundamentals of electronic product microphone, and VGA port for design with a multicore microcontroller audio/visual projects Built-in microSD card and XBee wireless Packing List module sockets simplify advanced applications Propeller Board of Education PCB Dedicated analog header sockets Strip of 4 rubber feet provide three 10-bit inputs and two Jumper wires buffered variable-resolution outputs 2x20 header for connecting I/O pins to VGA, XBee, Propeller clock and reset, USB serial flow control, and up to 10 LEDs Indicator lights for system power, servo power, eight color-coded VGA channels, two analog output levels, XBee Tx/Rx, and USB Tx/Rx SEPIC 5 V switching regulator can deliver up to 3 A across the commercial temperature range Linear 3.3 V regulator can deliver up to 460 mA at room temperature Copyright Parallax Inc. Propeller Board of Education ( 32900) v1.0 3/15/2012 Page 1 of 9 Functional Description (18) 2x10 Socket AccessJ5 Header Signal + LED connections: VGA R1, R0, G1, G0, B1, B0, H, V (20) Status LEDs XBee DO, DI VGA LEDs (active-high) Signal only 2 red, 2 green, 2 blue, 2 yellow (H & V sync) XBee /RTS, ASOC, /CTS, /DTR, /SSI, /RST XBee LEDs (active-low) Propeller XI, /RST Active low: red (DI) and blue (DO) Serial over USB flow control (/CTS, /RTS) (19) Switching (17) Servo Ports Regulator (1) External Power Inputs 6 ports (I/O pins P14..P19) In: 4-16 VDC 9 V battery clip Jumper shunt left of each pair Out: 5V, 3A 2.1 mm center-positive jack sets supply voltage to 5 V or Vin (2) Multicore Propeller Microcontroller System - Non volatile 64 KB EEPROM - Propeller Microcontroller (16) + Supply Sockets - 3.3 V, 460 mA regulator 3.3 V and 5 V - 5.00 MHz crystal oscillator (15) Propeller I/O P0..P15 Socket access to P0..P15 (14) Breadboard (3) VGA Video 34 rows of 5 sockets output port in 2 columns (4) Electret Microphone Sampled by Propeller using sigma-delta analog to digital conversion (13) GND, DA, AD Sockets (5) USB Port GND Sockets - Load programs Digital to Analog DA0, DA1 - Serial over USB communication Analog to Digital AD0..AD3 - Debugging - Power supply input (USB 2.0) (7) (10) (6) Stereo (9) Power Switch 5 V, up to 450 mA MicroSD (12) Digital to Analog Lights Reset Output with green LED Socket Yellow LEDs vary in Button indicator lights for Jack, 1/8 brightness with duty settings 1 & 2 modulated digital to analog 0 Off (8) output voltage 1 System on XBee 2 System + Digital RF (11) Analog to Digital Module servo on Converter Socket 10 bit I2C analog to digital converter (a) Labeled power pads (b) SOIC IC land pattern (c) Outer pads alternate between I/O pin and SOIC (24) Product Resource Page and MSOP pad connections (d) Labeled ground pads (b) MSOP IC land pattern (21) Surface-mount Pads (Rev A only) (23) Rubber Foot Outline (22) XBee, MicroSD Aux Access (Rev A only) Copyright Parallax Inc. Propeller Board of Education ( 32900) v1.0 3/15/2012 Page 2 of 9