• In this example we will connect an LM35 temperature sensor to our Chipkit Uno The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearly proportional to the Celsius (Centigrade) temperature. The LM35 thus has an advantage over…

  • 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…

  • 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,…

  • In previous posts we showed some examples for the 4067 16-Channel multiplexer – http://www.piclearning.net/132/chipkit-uno-and-4067-led-output-example.php The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog multiplexer/demultiplexer is a digitally…

  • The DHT11 digital temperature and humidity sensor is a composite Sensor contains a calibrated digital signal output of the temperature and humidity. Application of a dedicated digital modules collection technology and the temperature and humidity sensing technology, to ensure that the…

  • 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)…

  • RKPK28 Prototype PCB The next PIC development board is again from RKeducation and is designed for use with 28 pin PICs in this case I used a PIC 18f2685, another PIC microcontroller I didn’t have in my collection You can…

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