Review Blogs

Using I2C, SPI and DMA on Renesas RA2L1 (part 1)

misaz

I welcome you to this tutorial. In this tutorial you will see developing application using Renesas e2studio targeting Renesas RA2L1 microcontroller. This article was made as part of my RoadTest review about EK-RA2L1 board. If you are interested in de...
- 19 Nov 2021
Review of Bridgetek BT817 Embedded Video Engine

misaz

I welcome you to the main part of my Roadtest review about Bridgetek BT817 evaluation board. In this part of review, I will describe BT817 graphics engine itself and I won’t describe evaluation board here because it is described in dedicated chapter....
- 5 Nov 2021
If You have a Roadtest Review In Draft, Please Contact the RoadTest Program Manager

rscasny

As many of you know, element14 is migrating to a new platform this week. In preparation for this migration, I concluded all enrollments in new roadtests. Once the migration is complete, I will begin launching new roadtests again. There will...
- 3 Nov 2021
Review of Bridgetek ME817EV Evaluation Board

misaz

I welcome you to this part of my RoadTest review about Bridgetek BT817 evaluation board. In this chapter I will describe board itself. I will not describe BT817 chip and its features here because chip is described in dedicated chapter Review of Bridg...
- 27 Oct 2021
Review of Renesas EK-RA2L1 Development Board

misaz

I welcome you to my review about EK-RA2L1 evaluation board featuring microcontroller from RA2L1 family. In this part I will describe evaluation board itself. I will also describe some of my opinions about board, some pros and cons, some bugs and many...
- 17 Oct 2021
How does the BT817 coprocessor work?

misaz

I welcome you to this part of my Bridgetek BT817 RoadTest review. In previous blog post I described how to draw to the display in the simplest way using display list. In this blog post I will show more advanced way using coprocessor which supports mo...
- 3 Oct 2021
MAX77714 - Assorted Load Tests

scottiebabe

The EVK includes a number of programable current sources and switched resistive loads on board. Net names:SD3 - BUCK3 Output.VIL_SD3 - Output of the current shunt amplifier for Buck3's programable current sink. BUCK 3 - ConfigurationBuc...
- 3 Oct 2021
MAX77714 - The Curious Case of the Missing 32K Clock

scottiebabe

The 32.768 kHz crystal oscillator is a popular low-power clock source for many sub-systems in an electronics design. Frequent users of the 32K clock include: Real Time Clock (RTC), processor, RF modems/transceivers, and GPS receivers, just to name a ...
- 2 Oct 2021
Lattice ECP5 FPGA architecture overview (part of OrangeCrab Dev Bd road-test)

dramoz

Architecture overview Lattice vision PFU (Programmable Functional Unit) Clocking sysMEM Memory sysDSP PIO (programmable I/O cells) Device configuration SEU (Single Event Upset) Links The following post gives an overview of the Lat...
- 2 Oct 2021
Open-source verification tools

dramoz

Tools CoCoTB (verification) Verilator (simulator) GTKwave (waveform viewer) Installation CoCoTB installation Prerequisites Patching Verilator for CoCoTB Building Verilator GTKwave installation Simple example SV code CoCoTB wra...
- 2 Oct 2021
Aim-TTi QPX750SP application: off-grid photovoltaic system characterization

Instructorman

Characterizing an off-grid solar PV system using the Aim-TTi QPX750SPThis blog details my experience using the QPX750SP to characterize performance of a small off-grid solar PV energy system. Main components in the system are: two 85 W solar PV...
- 2 Oct 2021
Seeking Feedback: What Would You Design, Test or Build with a Thermocouple Measurement System from National Instruments?

rscasny

Greetings. Last week, I had a great conversation with one of our managers concerning a thermocouple test system bundle. It combines data acquisition hardware and software from National Instruments and thermocouples from Omega. I learned it's...
- 1 Oct 2021
Bridgetek BT817 RoadTest: Using EVE on an ESP32 to display an openHAB sitemap

obones

I’m using openHAB on my personal server to control various parts of my “intelligent” home, and while I can use the Android app just fine, I thought it would be interesting to reproduce its user interface with a very resource limited platform, namely ...
- 1 Oct 2021
UPDATE Announcement: No New Roadtests During the Month of October 2021 Due To Platform Migration

rscasny

UPDATE Oct 1, 2021: I have concluded launching all the roadtests I can prior to our platform migration. No new roadtests will be launch until mid to late November. Greetings. During the month of November, element14 is migrating to a ...
- 29 Sep 2021
MAX77714 - Why Would a Push Button Fail

scottiebabe

My RoadTest of the MAX77714 EVK just keeps getting more bizarre. Both of the push button switches on my EVK fail to operate. A few weeks ago I was briefly experimenting with the soft power button features and couldn't get it work. Turns out, it i...
- 28 Sep 2021
Pacman using Bridgetek BT817

misaz

I welcome you to this part of my RoadTest review of Bridgetek BT817 evaluation board. In this part I will briefly describe one of my experiments which I have done for gaining experiences with BT817 chip and evaluation board. In this blog post I will ...
- 26 Sep 2021
AIM-TTI QPX750SP RoadTest | Miscellaneous Features

Attila Tőkés

1. Miscellaneous Features 2. Control over Ethernet This is the 4th blog post of my RoadTest review of the AIM-TTI QPX750SP power supply: AIM-TTI Bench Power Supply Previous blog posts:AIM-TTI QPX750SP RoadTest | A Non-Conventional Power Sup...
- 26 Sep 2021
AIM-TTI QPX750SP RoadTest | Dynamic Load Behavior & Protections

Attila Tőkés

1. Introducution 2. Dynamic Load Setup 3. Load Regulation Behavior 4. Current Limiting Behavior 5. Short Circuit Protection 6. Conclusions This is the third blog post of my RoadTest review of the AIM-TTI QPX750SP power supply: AIM-TTI Ben...
- 23 Sep 2021
Need Help in Selecting an MCU Board for a Roadtest

rscasny

Several weeks ago, I asked for your help in selecting a motor of a roadtest. Here's the blog: Seeking Assistance in Selecting a Motor for a Single-Phase Inverter Roadtest With your input and help, I went back to the sponsor and we selected a mo...
- 20 Sep 2021
Aim-TTi QPX750SP over current and over voltage protection behavior

Instructorman

The need for power supply protection systemsA robust bench power supply like the QPX750SP with a wider than normal output power range enables test, development, and troubleshooting of systems that would overload, shut down, or damage standard bench p...
- 18 Sep 2021
AIM-TTI QPX750SP RoadTest | Passive Load Experiments

Attila Tőkés

1. Introduction 2. Resistive Loads Aim-TTS QPX750SP RD Tech DPH5005 ATX Power Supply LTE 12V Power Brick Mean Well 12V Power Adapter Mean Well (NXP) 12V Power Brick IBM 16V Laptop Charger ASUS 19V Laptop Charger LiteON 19V Power B...
- 16 Sep 2021
NGU401: PI Control System

neuromodulator

Introduction The modulation capability of the instrument virtually turns the instrument into a voltage amplifier with gains of 0.5, 1 or 2. As previously shown in the regulation tests, during modulation the instrument samples the input signal at...
- 10 Sep 2021
NGU401: Regulation Tests

neuromodulator

Introduction To explore the regulation capabilities of the SMU I performed a few tests to see how it behaved in voltage priority mode (VPM), current priority mode (CPM), and in the (voltage) modulation mode. Let's briefly explain what all th...
- 10 Sep 2021
Seeking Assistance in Selecting a Motor for a Single-Phase Inverter Roadtest

rscasny

I'm getting ready to launch a roadtest on a 70 W Single-Phase Inverter Using BridgeSwitch for Fan Application. I was sent the board, but I wanted to send a motor with the inverter board. I'd like to get some help in selected a compatible motor....
- 8 Sep 2021
The Aim-TTi QPX750SP: Awesome power supply - but can it make toast?

Instructorman

The Aim-TTi QPX750SP is not a typical bench power supply. A typical bench power supply may have two or three output channels capable of delivering 0 to about 30 VDC at up to say 3 A. For example, my Keysight E36313A is a typical bench sup...
- 24 Aug 2021