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Cheukngai

Hong Kong Hong Kong

Cheukngai has not written a bio yet…

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Member since August 2018
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5 Articles published
article
Cheukngai

Microcontrollers

6 months ago

Building a car battery data logger Part 4: How to create a php file to receive sockets and load into database

This part shows how to create a socket and to be received from Wi-Fi module through TCP connection. Afterward, load the ADC results into database.

0 comments
article
Cheukngai

Microcontrollers

6 months ago

Building a car battery data logger Part 5: Building a simple login system and displaying sets of data in SQL database into web page in form of line chart

This article tells you how to build a simple dashboard to view the collected data in a line chart with a login system (authorization).

3 comments
article
Cheukngai

Microcontrollers

7 months ago

Building a car battery data logger Part 3: How to apply timer interrupt and USART transmission

This article is to talk about how to apply timer interrupt and set up a timer for STM32F407 VGT6 MCU. Other than the timer, this articles also tell you how to send the measured data through UART.

1 comments
article
Cheukngai

Microcontrollers

7 months ago

Building a car battery data logger Part 2: How to measure voltages and currents in charging and discharging of car battery with STM32f407 VGT6

This part shows how to use ADC with STM32F407 VGT6 MCU and explain the idea of calculation

0 comments
article
Cheukngai

Microcontrollers

7 months ago

Building a car battery data logger Part 1 Introduction and its hardware design

This article is to give you a basic background information of a car battery data logger and how it works,

3 comments