Legacy Personal Blogs

Please Note:

This blog contains the legacy personal blog posts of our members, other than our Top Members whose content has been migrated into individual blogs in this area. Our new platform does not have personal blogs so this is how we have preserved the personal blog posts of our members from the Jive platform. No new posts will be permitted in this blog. Instead, if you wish to create blog content, please post it in the blog in the most appropriate topic area.

DAC8775 Quad-Channel DAC EVM - part 5: HART Interface

Jan Cumps

For the Instrumentation, Automation and Industrial Application fanboys.And for anyone interested in communication protocols that are widely used but not commonly known. I'm checking the Highway Addressable Remote Transducer Protocol interfac...
- 3 Aug 2018
Measuring Soil Moisture with the Wemos ESP 32

anpivey

Hi Everyone,Today, we are going to see our plant needs to be watered with a Wemos ESP 32, a mh soil moisture sensor known as the flying fish and Wia.If you haven’t already I suggest you go through the tutorial here about posting to Wia with your Wemo...
- 3 Aug 2018
How to set up a Raspberry Pi without an external monitor or keyboard

anpivey

Many tutorials out there state that you need an external monitor, keyboard, and mouse to get started with Raspberry Pi. However, if you don't have these things at hand, there is a solution - headless mode.ComponentsYou will need the following compone...
- 3 Aug 2018
Upload a File to Wia via Postman

anpivey

Hey Folks,In this tutorial, I'm going to show you how to upload a file to Wia via postman. Postman is the only complete API development environment, for API developers, used by more than 5 million developers and 100000 companies worldwide. Postman ma...
- 3 Aug 2018
Publish an Event with ESP8266 via Wia's MQTT API

anpivey

In this tutorial, we'll go through setting up an ESP8266 board, and publishing an Event to Wia via our MQTT API.Connecting the boardNote: If your board has a micro USB port, you can probably skip this step.Connect your board to laptop/desktop via a U...
- 3 Aug 2018
Connecting a LoRa Device to Wia via The Things Network

anpivey

In this tutorial, we are going to take two Pycom LoPy's, set the first one as a LoRaWAN Gateway and register it as a Gateway with The Things Network. Then with the second LoPy, we set it up to talk to our LoRaWAN gateway and have the The Things Netwo...
- 3 Aug 2018
MLCC Shortage: When You Can’t Find The Cap You Need

nikhilstephen

It is 2018 and you’re probably reading this because you’re wondering when you’re gonna get your order of MLCCs. Either that or you’ve used some four-letter word to describe the lead times at your favorite distributor. Yes, the MLCCs industry is exper...
- 2 Aug 2018
Current Lover Flanger - Electric Mistress Clone

Andy Betts

Hi there, by now you've likely read my blog post about the 1977 v2 Electric Mistress I resurrected after someone sold me just the PCB. Well, that's still going strong and is my "go to" flanger. However, I did say in that post that t...
- 2 Aug 2018
Is the recently reported decrease in the number of counterfeits too good to be true?

RogerUKEA

Industry information services provider ERAI Inc. recently reported a significant decrease in the number of reported cases of counterfeit components in 2017. The total per year had ranged from 1,000 to 1,100 cases for the previous five years with no s...
- 2 Aug 2018
How We Built Our Facial Recognition Ferris Wheel

anpivey

At Coolest Projects 2018, we showcased the Wia platform with a facial recognition ferris wheel - if you're smiling, the wheel turns, and if you're not smiling, it stops. Today we're going to talk about how we built this project, and maybe you'll be i...
- 30 Jul 2018
Getting The Most Out Of Your Oscilloscope: Sequence and History Modes

caroline_teledynelecroy

When using an oscilloscope, there are bound to be instances in which you need to capture a large number of fast pulses in quick succession, or, conversely, a small number of events separated by long periods of time. Both are challenging for typical s...
- 27 Jul 2018
Build an end-to-end Sigfox GPS tracker using Wia and Pycom

anpivey

Hi Folks,Today I’m going to show you how to create a Sigfox GPS tracker using Wia and the Pycom SiPy.This tutorial assumes that you have already connected Sigfox to Wia if you haven’t, please click here to find a tutorial for initial Sigfox setup and...
- 26 Jul 2018
DAC8775 Quad-Channel DAC EVM - part 4: Current Mode

Jan Cumps

In this post, I program the current mode of the DAC8775, the subject of the Quad-Channel, Analog Output Module RoadTest.The DAC will, within limits, try to source the current you're defining Configurable Current Additional to the ...
- 23 Jul 2018
VHDL Text IO Essentials

dhmarinov

Introduction An important feature of every sophisticated test bench is the ability to read stimuli and report the result so it can be analysed outside the simulator. &n...
- 20 Jul 2018
Transistors: Phase-Shift Sine Wave Oscillator

jc2048

Introduction More oscillators! At some point, for reasons I can't remember now, I tried simulating some simple sinewave oscillators. Here's one of them. This one uses a single transistor to provide the gain and a series of RC elemen...
- 19 Jul 2018
The Ramp-O-Tron

jc2048

INTRODUCTION More oscillator odds and ends. These aren't complete projects, just bits of tinkering and trying things out but they may be of interest for all that. This one started out as playing with the simulator. The circuit itself ca...
- 17 Jul 2018
JPEG Serial Camera Streaming with obniz

sa112

players.brightcove.net/.../index.html By using obniz and JPEG serial camera, we can take photos and send the data via UART. obniz JPEG Serial Camera It is easy to take photos from javascript. max resolution is 640*480. We can take ...
- 17 Jul 2018
Getting The Most Out Of Your Oscilloscope: WaveScan and XDEV Custom Parameters

caroline_teledynelecroy

In earlier posts about how to maximize your oscilloscope's utility, we've discussed how to properly capture a waveform, making measurements, and extracting more meaningful information from those measurements that might be readily apparent. No...
- 17 Jul 2018
DAC8775 Quad-Channel DAC EVM - part 3: Slew Rate Control

Jan Cumps

In this post, I test the slew rate of the DAC8775, the subject of the Quad-Channel, Analog Output Module RoadTest.The edge of the DAC generated signal is programmable. Let's look at how to control it. Configurable Slew Rate One of...
- 15 Jul 2018
DAC8775 Quad-Channel DAC EVM - part 2: Firmware

Jan Cumps

In this post, I document the firmware I use to test the DAC8775, the subject of the Quad-Channel, Analog Output Module RoadTest.I'm using a Hercules automotive microcontroller to talk to the DAC. I'll cover the peripheral configuration and th...
- 15 Jul 2018
DAC8775 Quad-Channel DAC EVM - unlicensed roadtest part 1: Raw SPI

Jan Cumps

A year ago, the DAC8775 was the subject of the Quad-Channel, Analog Output Module RoadTest.My element14 friend DAB was not impressed by the EVM and its software. I asked if he wanted to trade the board for another evaluation module, and he did. After...
- 14 Jul 2018
MXR Micro Amp Clone - Fix that damn Mistress volume drop

Andy Betts

In a previous blog post I resurrected an EHX Electric Mistress flanger effect pedal after acquiring just the PCB off someone on the Electro Harmonix forum. This is a great pedal that has a sweet sound however there is one issue that affects all Elect...
- 13 Jul 2018
in progress - part 2

station240

In progress draft review C2000Ware from TIC2000Ware contains the most recent versions of examples, and the demo that comes installed on the Launchpad. C2000Ware comes with a large collection of examples suitable for use with the F28379D, so...
- 13 Jul 2018
DAC8775 Quad-Channel DAC EVM - unlicensed roadtest part -1: Raw SPI

Jan Cumps

A year ago, the DAC8775 was the subject of the Quad-Channel, Analog Output Module RoadTest.My element14 friend DAB was not impressed by the EVM and its software. I asked if he wanted to trade the board for another evaluation module, and he did. After...
- 11 Jul 2018
MOS 6526 CIA as a FPGA

ajkatz83

Hello all! It's been awhile since perhaps I have posted anything interesting. There are many projects and such I have on back burns that I eventually want to catch up on, but naturally, when i do want to, something that I use frequently and is of gre...
- 11 Jul 2018