PIC16F887 Experiment board (program via USB by PX-200 - included)
- Support PIC16F8xx/18F (PIC16F887 on-board). It comes with 8KWords
Program memory, 20MHz clock and provides 33 I/O port
- Support HS oscillator mode
- Select mode RUN/PROGRAM with one switch
- Connect to PX-200 for downloading program with USB port via ICD jack
- USB serial port interface circuit (this is NEW FEATURE)
- 3-digit multiplexed LED display
- 2-Bit LED monitor
- LCD connector
- 1Hz- 1kHz pulse generator
- 4 of 0-5V Voltage source for A/D experiment
- DS18B20 : 1-Wire Temperature sensor on-board
- Matrix switch 4x3
- On experiment board provides 32-bit of active high LED monitors . Each
channel is connected with a current-limit resistor to protect the LED from
any over current.
7-segment LED display
- This board provides 3-digit of 7-segment common cathode LEDs. All LEDs
are connected in multiplex and a current-limit resistor is connected in each
0 to +5V Reference Voltage Source
- The NX-877 plus experiment board provides 4 channels of 0 to 5V analog
voltage source to supply analog voltage to the ADC circuit.
- Switch is the type of input device for any microcontroller experiment.
Four normally open push buttons are made available via connectors. The
buttons are wired in an active-low configuration, with an pull-up resistor.
4x3 Matrix Switch or Keypad
- This circuit consist of 12 push-button switch connect in matrix
configuration. It is defined 4 rows and 3 columns. The pull-up resistors are
connected at column lines. The switch position are defined in telephone
keypad format, number 0 to 9, * and #.
- The NX-877 plus experiment board?s pulse generator provides a selectable
square-wave output of 1 Hz, 10 Hz, 100 Hz, and 1 kHz. Frequency selection is
by the push-button near the pulse generator output (an LED indicates current
frequency). Be sure that the output of the pulse generator is connected to
an input pin only, as this output is driven both high and low.
LCD module connector
- This connector connects to a 16-characters 2-lines LCD module which is
bundled in experiment board kit. A variable resistor is for adjusting the
contrast of the LCD.
- Sounding device on this experiment board is the Piezo speaker. It may
connect with 1 to 470mF electrolytic capacitor for amplification of sound.
The piezo speaker has resonance frequency at 2 to 3 kHz. If the resonance
frequency is applied to the piezo speaker, the sound would be at its
1-Wire/iButton interface RJ-11 Connector
- The RJ-11 connector is configured for Maxim/Dallas 1-Wire or iButton
I/O. This experiment board bundle DS1402 iButton socket cable. Experimenter
can plug to this jack for interface iButton device (DS1990A and Ds9093F are
included in this package).
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