Display

Mailbag – Nextion Enhanced NX8048K070_011C – teardown

For any of you looking for affordable HMI Displays, it is Special Summer sale on Bangood until 20 Aug 2017!! https://www.banggood.com/search/nextion.html?p=A524021677049201505T ———————————————————————————————————————————————————————- Part 2 of the Nextion HMI Enhanced NX8048K070_011C Display Series, teardown time! And a closer, deeper look, under the microscope: Used Model above : Nextion Enhanced NX8048K070_011C (108USD at Read more…

By esp8265_wp, 7 years ago

ADC

ESP8266 – ADC Input frontend

Autorange Analog frontend For a deeper Hardware description please take a look at the ESP8266 Analog Extension Board What we will need: ESP8266 nEXT EVO Board ESP8266 nEXT EVO – Analog Extension Board – AN1 For programming and uploading the driver and the software we will continue to use Read more…

By esp8265_wp, 9 years ago

CBDB

Mailbag – 4×4 Matrix Keyboard for ESP8266 nEXT EVO Board

This Mailbag can also be seen as Part 4 of the ESP8266 nEXT EVO Analog Extension Board (AN1) In this part we will continue talking about the ESP8266 nEXT Evo 8 Bit I/O Expansion Port based on the PCF8574 chip from NXP, testing procedures and software programming for the AN1 Read more…

By esp8265_wp, 9 years ago

CBDB

ESP8266 nEXT EVO – Analog extension Board – AN1 – P3

This is Part 3 of the ESP8266 nEXT EVO Analog Extension Board (AN1) In this part we will talk about the ESP8266 nEXT Evo 8 Bit I/O Expansion Port based on the PCF8574 chip from NXP, testing procedures and software programming for the AN1 Board Previous related Articles: New ESP8266 Read more…

By esp8265_wp, 9 years ago

CBDB

ESP8266 nEXT EVO – Analog extension Board AN1 – Part 2

This is Part 2 of the ESP8266 nEXT EVO Analog Extension Board (AN1) Series In this part we will talk a bit about the nEXT Bus I²C protocol and we will start also a longer, multi-part discussion about testing procedures and software programming for the AN1 Board devices Read more…

By esp8265_wp, 9 years ago

CBDB

Mailbag !! SSD1306 OLED Display for ESP8266 nEXT EVO Board

I think everybody knows already the popular SSD1306 0.96″ OLED Display available all over the place for a very good price: SSD1306 0.96″ I2C OLED Display My first option for a Alphanumeric Display still remain the ST7032i LCD one, but as looking also for a Graphical Display option found Read more…

By esp8265_wp, 9 years ago

Arduino IDE

Arduino IDE – MAX7219 – 8 Digit Display Driver

As you know from my previous Article I got recently some nice MAX7219 8 Digit Display Modules. Had a lot fun fun with them, looks a nice and stable solution so I’m thinking to use them as Display for one of my future projects. Meanwhile I was also playing with Read more…

By esp8265_wp, 9 years ago

Display

Mailbag Arrival !! MAX7219 – 8 Digit LED Display Driver

First RUN test for MAX7219 LED Display Module using ESP8266 CBDBv2 EVO Board Another very popular and widely available module, used already in many Projects before, meeting the ESP8266 ecosystem 🙂 You can buy MAX7219 modules from Banggood, Amazon, Ebay, nameyourfavorite.com, quality and price might hugely vary Read more…

By esp8265_wp, 9 years ago

battery monitor system

Battery Live Monitor System – ESP8266 CBDBv2

================== W A R N I N G ! ! ================= Li-Ion batteries are very dangerous if not handled properly. Use them only with proper protection circuits and chargers. DO NOT OVER CHARGE / BURN / OPEN Li-Ion Bats Using any of the informations available on esp8266-projects.com is on your Read more…

By esp8265_wp, 9 years ago

LUA

LM75 – I2C temperature sensor driver – CBDB

I was asked if MCP9008 Temperature sensor can be replaced with the less precise but widely available LM75 one. The answer is YES, it can be done without any problems, actually they can share same slot on CBDB Dev Board without any hardware changes, just choose your desired I2C address Read more…

By esp8265_wp, 10 years ago