Posts Tagged ‘MCU’

3 cent PMS150C MCU driving 300 WS2812B LED’s

Tuesday, June 25th, 2019

Driving 300 WS2812B RGB LED's with "the 3 cent microcontroller" - the Padauk PMS150C. The 3 cent Padauk PMS150C is.. Interesting to say the least. First of all there’s a lot this little MCU doesn’t do. It doesn’t have a lot of code space (1K Word), it doesn’t have a...

Tags: ,
Posted in LEDs | 2 Comments »

Arduino interface for TFA9842AJ power amplifier

Tuesday, May 7th, 2019

Dilshan Jayakody writes, "I tested a couple of TFA9842AJ based amplifiers in the last couple of years. The main reason I liked TFA9842AJ is its simple, clean design, wide operating voltage, and high-quality bass-rich audio output.  Thanks to it's built-in DC volume control circuit this audio amplifier can easily interface...

Tags: , ,
Posted in Arduino | No Comments »

Low cost single cell battery pack simulator

Thursday, March 1st, 2018

Mare writes: There are many battery cell simulators available which could simulate battery cell(s). Unfortunately, none is emulating any of the digital protocols used by fuel gauge devices. Optimal solution to efficiently emulate given smart battery pack is to use custom solution based on battery cell simulator and fuel gauge...

Tags: ,
Posted in DIY, how-to | No Comments »

Development board for PIC16F1938

Monday, May 23rd, 2016

Raj over at Embedded Lab has designed a development board for PIC16F1938: The PIC16F1938 is a versatile 28-pin MCU belonging to Microchip’s extreme low power microcontroller family featuring nanoWatt XLP technology, 28KB of programming memory, 1KB of RAM, 11 ADC channels, and tons of other peripherals. A while ago, I designed a development...

Tags: , ,
Posted in PIC | 1 Comment »

DPA library for MCU

Thursday, November 5th, 2015

Ondřej Karas writes: A few months ago, I published post about DPA .NET Class. This article describes simple, but effective library used for DPA handling by MCU (UART interface). Published library is independent on the MCU family, but it was written for 32-bit ARM processors with Cortex-M3 core and GNU...

Tags: , ,
Posted in library, software | 4 Comments »

USB Host Library 3.0-Alpha

Thursday, July 16th, 2015

Oleg over at Circuits@Home writes: The alpha of the third revision of USB Host library has been posted on GitHub. The code has been extensively re-organized to make it modular and generic; as a result, it is now possible to run it on more Arduino compatibles and also use native...

Tags: , ,
Posted in library, USB | No Comments »

SimpleLink ultra-low power wireless MCU platform

Wednesday, February 25th, 2015

Allie informs us of TI's new SimpleLink ultra-low power wireless platform for Bluetooth Smart, 6LoWPAN, ZigBee, Sub-1 GHz and ZigBee RF4CE Today, TI is helping manufacturers throw out the battery for their IoT devices with its new SimpleLink ultra-low power wireless MCU platform. This new wireless MCU family brings a first...

Tags: , ,
Posted in wireless | 1 Comment »

App note: Minimizing power consumption when sensing switch inputs

Saturday, November 15th, 2014

An app note (PDF!) from Renesas  on how to minimize power consumption when sensing switch inputs A switch input is one of the simplest interfaces to an MCU. However, when very low power designs are needed the pullup or pulldown resistor for the switch can draw a significant current. If the...

Tags: , ,
Posted in app notes | No Comments »

Defcon 21 video: Hardware hacking with MCUs

Wednesday, July 9th, 2014

At last years Defcon conference in Las Vegas, NV, hardware hackers Joe Grand, Mark 'Smtty' Smith, LosT, RenderMan and FirmWarez discussed their experiences in using various microcontrollers. Interesting stuff, particularly If you're just getting started with electronics and are trying to navigate the sea of available microcontrollers, microprocessors, and modules.

Tags: ,
Posted in components, Videos | No Comments »

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 -...

Tags: , ,
Posted in AVR, PIC, programmers | 2 Comments »

ATmega64 development board

Friday, May 23rd, 2014

Radek Malina of Electronics Lab has written an article on his latest project the ATmega64 development board: This project is a development board for Atmel ATmega64 microcontoller and can be used to easily develop custom AVR firmware or as an introduction board to microproccessors and programming. A development board is better...

Tags: ,
Posted in Arduino, AVR | No Comments »

Breakout module for Si7005 temperature and humidity sensor

Thursday, March 6th, 2014

Raj of Embedded Lab has written up documentation on his  Si7005 breakout board:The Si7005 is a digital relative humidity and temperature sensor from Silicon Labs. It integrates fully factory-calibrated humidity and temperature sensor elements with an analog to digital converter, signal processing and an I2C host interface in a single monolithic CMOS...

Tags: , , ,
Posted in sensors | No Comments »

MCU controlled spot welder

Monday, February 24th, 2014

Hercules Trapierakis over at Electronics-Lab writes: "This project is a controller for a dual pulse spot welder that has some nice features that are controlled using a LCD interface." I always wanted a spot welder, so I decided to built one. I wanted to build a capacitance discharge one but I...

Tags: , , ,
Posted in LCD, power supply | No Comments »

EFM32 MCU ARM cortex M3/0 based

Thursday, October 20th, 2011

Viswesr wrote to us about the EFM32 MCU from Energy Micro: Recently, I discovered EFM32 MCU (ARM Cortex M3/0 based) from Energy Micro when looking for a very low power MCU. I was impressed on how this MCU reduces power consumption (refer: 10 factors that make the 10 factors that...

Tags: , ,
Posted in dev boards | 1 Comment »

PIClock4 inter-microcontroller mutex

Monday, September 26th, 2011

PIClock4: an inter mcu/avr hardware mutex. Up to 4 cores, build with 74xxx. This article is about building an inter MCU/PIC/microcontroller mutex/lock, allowing to have several disctinct cores (of any kind) working together and using a single resource without conflict. Via the contact form.

Tags: , ,
Posted in PIC | No Comments »

Breaking copy protection in MCUs: then and now

Friday, June 24th, 2011

When you decide to copy protect the firmware on your MCU, how effective are efforts such as setting a lock bit or enabling chip erase modes? Sergei P. Skorobogatov's article provides an overview of the methods he's tried against MCUs from various manufacturers. He outlines both invasive and non-invasive techniques...

Tags: ,
Posted in Chips, encryption, how-to, security | 4 Comments »

Recent Comments

  • gant: They still have a couple of the more expensive (but still considerably cheap) 5S-I-S01 in stock...
  • readybrek: Anyone got a any recommendations for a budget-priced hot air station?
  • William: lol I'm happy to waste 3c for each program/debug cycle... but probably not the time spent soldering a new device down to a proto board!...
  • 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!