RKPK40 Prototype PCB The next PIC development board is again from RKeducation and is designed fo use with 40 pin PICs. In this case I used a PIC18f4550 Here are the specs for the 18f4550 – more details available at http://www.microchip.com/wwwproducts/Devices.aspx?product=PIC18F4550…
Author
shedboy71
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The MAX7219 is a compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry,…
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In this example we will connect a 4067 to our Chipkit UNO, at the expense of 5 I/O lines you can get 16 outputs (or inputs) The HEF4067B is a 16-channel analog multiplexer/demultiplexer with four address inputs (A0 to A3),…
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In a previous example we connected a DHt11 sensor and outputted the results via the serial connection, this is reasonable enough for testing purposes but a more practical example would be to display this information on an LCD display for…
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This example is like a dark activated alarm using an LDR and a LED, in this case when the value read in drops below a certain level the LED will light. In the real world you could make a dark…
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This is a simple example which shows how to connect an LDR to a Chipkit UNO. In this example we are using Mpide and will be outputting the results via the serial monitor window A photoresistor or light-dependent resistor (LDR)…