Posts Tagged ‘PIC’

App note: Core independent voltage window signal detection using a single comparator

Sunday, August 11th, 2019

Presenting the usage of Core independent paripheral of PICs in this app note from Microchip. Link here (PDF) It is possible to find out whether a measured signal is below or above a certain value/reference using a single comparator. But, what if the desired interval is between two values, the...

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Ultrasonic Anemometer

Tuesday, September 13th, 2016

Lukas Fassler has designed and built an Ultrasonic Anemometer project with Dirty Board PCBs. Full details at Soldernerd homepage.

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10A Variac Soft Starter

Friday, January 8th, 2016

Steve Gardner did a repair of a 10A Carroll & Meynell Variac and documented the whole process on his blog: I recently purchased a used 10A Carroll & Meynell Variac from eBay for use in the lab, however the variac often caused the 32A B-curve MCB in the consumer unit to...

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Geiger counter with SBM20 tube

Friday, August 14th, 2015

j3tstream writes: I “rebuild” my Geiger counter, the SBM-20 tube was initially inside the box, i have put this one inside a 32mm diam plastic tube, for more convenience, wired through a XLR3 cable. This counter is from “Electronique-Pratique” n°368, a french electronic magazine. Shem, pcb, and PIC hex &...

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App note: Use and calibration of the internal temperature indicator

Saturday, July 18th, 2015

Use and calibration of the internal temperature indicator (PDF!), an application note from Microchip: Many PIC16 family devices include an internal temperature indicator. These devices include the PIC16F72X device family, PIC16F1XXX device family, and the PIC12F1XXX device family. The temperature indicator is internally connected to the input multiplexer of the...

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App note: High-Precision 16-Bit PWM

Friday, June 12th, 2015

Technical brief from Microchip on their high-precision 16-Bit PWM modules found on various PIC16 devices. PDF link here The high-precision 16-bit PWM available in various PIC16 devices such as the PIC16F1574, delivers advanced features beyond those found on standard PWM modules. These innovative features allow the user to easily vary...

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App note: 16-Bit multiplication and addition by using the Math accelerator peripheral on PIC16(L)F161X

Saturday, May 30th, 2015

16-Bit multiplication and addition by using the Math accelerator peripheral on PIC16(L)F161X (PDF!) application note from Microchip: Several products in the PIC® device family have a Math Accelerator module to do a 16-bit multiplication and addition in hardware. This technical brief describes briefly how the module works, how to use this...

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App note: 1-Wire communication with PIC microcontroller

Saturday, January 17th, 2015

An application note (PDF!) from Microchip on 1-Wire communication with PIC microcontroller: This application note introduces the user to the 1-Wire® communication protocol and describes how a 1-Wire device can be interfaced to the PIC® microcontrollers. 1-Wire protocol is a registered trade mark of Maxim/Dallas Semiconductor. A software stack for the basic,...

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A PIC based SHF audio / video workstation

Monday, January 5th, 2015

Tekman has shared his 1.2 GHz band SHF workstation in the forum: This is a SHF workstation that I built to work the satellite frequencies. Centered around 1.2 GHz, I used this workstation in conjunction with my dish driver software to map the sky for various Free to air and AV...

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App note: Using a hardware or software CRC with enhanced core PIC16F1XXX in class B applications

Saturday, January 3rd, 2015

An app note from Microchip: Using a hardware or software CRC with enhanced core PIC16F1XXX in class B  applications (PDF!) Class B safety routines are increasingly used in microcontrollers to detect faults in safety-critical applications. The primary method for detecting faults in microcontroller program memory is by using a Cyclic Redundancy Check...

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Serial AVR and PIC programmer

Tuesday, June 3rd, 2014

Dr. Ayman Shalaby over at Electronics Lab posted another project, a serial AVR and PIC programmer: This is a dual MCU programmer which supports both AVR and PIC mcu and there is a switch to select between them. It's easy to manufacture and have only through hole parts. Features -...

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Posted in AVR, PIC, programmers | 2 Comments »

Chipstomp assembly – Digital side

Thursday, May 29th, 2014

Here's Catmacey's digital side of the Chipstomp.  He wrote a post on his blog detailing its assembly: I started with the digital side of things. The first task being to get the PIC and it’s supporting circuitry up and running and confirm that all was ok by attempting to talk...

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GTP USB lite SMD board

Wednesday, February 26th, 2014

Here's a PIC programer SMD board for the GTP USB lite pic programmer by cmardone: I created a pic programer smd board for the gtp usb lite pic programmer. Was made using EagleCADSOFT 5.0 2 layer board 0603 footprint for most smd components !! uses a 18F2550 SMD chip from microchip has...

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Posted in PIC, USB | 3 Comments »

Microchip PIC chips could have been the Power Behind Arduino

Tuesday, February 11th, 2014

Gerry Sweeney writes: As I understand it Microchip are in the silicon chip business selling micro-controllers – actually Microchip make some really awesome parts and I am guessing here but I suspect they probably want to sell lots and lots of those awesome parts right? So why do they suppress...

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Posted in Chips | 28 Comments »

App note: using external memory with PIC24F/24H/dsPIC33F devices

Sunday, February 9th, 2014

Here's an app note from Microchip on Interfacing external memories using Parallel Master Port (PMP) module. This application note describes the methodology to use the Parallel Master Port (PMP) module to interface with external data memory; either external Flash or external RAM. This application note also lists the APIs and...

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Si4707 weather radio

Thursday, February 6th, 2014

Charles has been working on a Si4707 weather band radio project: Right now on the bench the PIC powers up, resets and powers up the radio, then tunes the radio via I2C to 162.55MHz. It finishes up by reading back the status and then dumps the Tuned Frequency and RSSI (...

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App note: PICmicro device programming, what you always wanted to know (but didn’t know who to ask)

Saturday, December 14th, 2013

The basics of how to get your firmware into your PIC microcontroller. App note can be found here. For more than a decade, Microchip has published a lot of information about programming its 8-bit microcontrollers. There is now so much information out there, in fact, that it's sometimes hard for...

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App note: Low-Cost Shunt Energy Meter using MCP3909 and PIC18F25K20

Sunday, November 24th, 2013

Here's a low-cost single phase energy metering solution using Microchip's MCP3909 metering ADC and PIC18F25K20 8-bit microcontroller. App note can be found here. The meter was tested for a range of current from 0.1A to 20A using the Fluke 6100A Electrical Power Standard. Measurement results are visible on the LCD...

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NEC Protocol Infrared remote control with a microcontroller

Thursday, October 3rd, 2013

Gaurav Chaudhary  writes: This little project will demonstrate how you can build NEC protocol based Infrared Remote Control to use with various NEC Protocol IR receivers. actually there are lots of projects out there to accomplish this task but i have to write my own code because of too many...

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Posted in infrared | 2 Comments »

App note: Low-power design guide

Saturday, September 28th, 2013

An application note from Microchip:  Lowering power consumption on PIC microcontrollers Low-power applications represent a significant portion of the future market for embedded systems. Every year, more designers are required to make designs portable, wireless and energy efficient. This document seeks to simplify the transition to low-power applications by providing...

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Posted in app notes | 3 Comments »

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Recent Comments

  • Joe Desbonnet: Ya, I can recommend the low melting point solder. I used brand 'ChipQuik' and it's amazingly easy to use.
  • Jerome: I need a new BusPirate for the Fablab ;) Many thanks!
  • Max: Seems like an unexpectedly violent way to remove the chip indeed. A hot air station should of course do the job just fine, but in...
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