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Pairing with BM78 module
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C Electronics HowTo I2C Knowledgebase Microcontrollers Software Development

Memory modules over I2C

Kubovy
9.3.2019
0

Memory is one of the resource you will miss on microcontrollers. Also not all microcontrollers allow you to store data during power loss / restarts. When developing embedded devices you may want to take idempotency and statelessness into consideration since…

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C Electronics HowTo Knowledgebase Microcontrollers WS281x

WS281x using PIC

Kubovy
17.2.2019
0

The WS281x (WS2811/WS2812) is an RGB LED control circuit allowing to configure (color, intensity) of multiple LEDs over one data line. The LEDs with the integrated WS281x circuit can be simply connected in serial using 3 lines (5V, GND and…

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Bluetooth C Devices Electronics HowTo Microcontrollers Software Development

BM78 Bluetooth Module – First glance

Kubovy
9.2.2019
0

To enable interaction with the environment our project will need some kind of communication interface. After some research we decided to go with Bluetooth. A nice comparison can be seen in the video below starting at 8:20. To summarize: Tech….

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C Devices Electronics Free time HowTo Knowledgebase Microcontrollers Software Development

PIC16F18855/75 with HC-SR501 PIR Motion Sensor

Kubovy
18.1.2019
0

Objective Motion detection for light control or alarm trigger. Wiring Since we covered the basics in our previous posts adding another module is unspectacular from the circuit point of view. We will use our LCD circuit do demonstrate the output….

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C Devices Electronics Free time HowTo I2C Knowledgebase Microcontrollers Software Development

PIC16F18855/75 with DHT11

Kubovy
13.1.2019
1

Temperature and Humidity sensor controlled by a PIC and displayed to an LCD for debugging. In the future the LCD may be replace, e.g., with a Bluetooth module and read by another system. The Wiring We base our example here…

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C Devices Electronics HowTo I2C Knowledgebase Microcontrollers Software Development

PIC16F18855/75 with MCP23017 GPIO Extender

Kubovy
5.1.2019
0

Even though some microcontrollers have a lot of GPIOs, sometimes one may find himself/herself in the need of even more. The MCP23017 is made for that purpose. In the previous post we learned how to setup a project to program…

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C Devices Electronics Free time HowTo I2C Knowledgebase Microcontrollers

20×4 LCD controlled by PIC16F18855/75 using LCM1602 IIC/I2C

Kubovy
1.1.2019
1

We’ve already done some projects with Rasperry Pi. While Adruino and Raspberry Pi are great prototyping tools allowing fast development of proof of concepts, lot of resources, libraries and examples, it also comes with some pitfalls. In case of Raspberry…

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Electronics Free time HowTo I2C Kotlin Linux Python RaspberryPi Software Development WS281x

Deployment (Nuklear) Football

Kubovy
9.12.2018
0

Goal/Use case Let’s build a kind of a bigger gadget to deploy applications. This Deployment Football (Suitcase) will configure our monitor application, which then will be able to perform different tasks, e.g. deployment of a software by triggering Jenkins, Bamboo…

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Android Android Free time Kotlin RaspberryPi Software Development Uncategorized

Mobile App for Raspi W2812 Light Strip

Kubovy
25.2.2018
0

Controlling our Raspi W2812 Light strip now with an Android App…

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Free time Kotlin RaspberryPi Software Development

Service Monitor Application

Kubovy
18.2.2018
0

A modular monitoring application monitoring services, e.g., Jenkins, Sonar, … with different notifiers. One of which can be our Status Light with Raspberry Pi Zero and W2812 Led Strip we did last time.

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  • Kubernetes: Prometheus service discovery
  • Get certificates from CertManager in Kubernetes
  • The Kubernetes 110 pod limit per node
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  • Monitor Application now supports Prometheus’ Alert Manager, Gerrit Code Review, Jira, Storyboard and more
  • Pairing with BM78 module
  • Initializing Microchip’s BM78 module
  • Lighting up RGB LED Strip with a PIC Microcontroller
  • BM78 Commands and Events in Application-Mode
  • State Machine for Microcontrollers
  • Memory modules over I2C
  • WS281x using PIC
  • BM78 Bluetooth Module – First glance
  • PIC16F18855/75 with HC-SR501 PIR Motion Sensor
  • PIC16F18855/75 with DHT11
  • PIC16F18855/75 with MCP23017 GPIO Extender
  • 20×4 LCD controlled by PIC16F18855/75 using LCM1602 IIC/I2C
  • Deployment (Nuklear) Football
  • Mobile App for Raspi W2812 Light Strip
  • Service Monitor Application
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