————————————————————————————————————————– For any new CBDB orders/requests please feel free to use as usual: tech at esp8266-projects.com. CBDB nEXT Evo bare PCB has also been made available directly at Dirty PCBs, our preferred PCB House for experimenting (**), you can order Read more…
This is a follow-up for the previous Raspberry PI2 – Standalone Thingspeak server installationBecause many people have encountered lots of issues with the installation, mainly r8188eu WIFI chipset driver issues or strange compile problems, I was thinking to give a Read more…
The story behind: Many people are complaining about I2C communications problems, mostly related with the NodeMCU LUA. I found out that many of the related problems are generated from a easy to fall in trap, generated by the way how Read more…
Using a 433Mhz radio link the ESP8266 CBDB Dev Board module equipped with a DHT22 temperature/humidity sensor is uploading data directly to the Konig 433 mhz wireless station with hygro-thermometer [KN-WS400N] : And the story behind: As been working to Read more…
————————————————————————————————————————– WARNING!! You will play with LIVE MAINS!! Deadly zone!! If you don’t have any experience and are not qualified for working with MAINS power I will not ecourage you to play arround! —————————————————————————————————————————- For any new orders / requests Read more…
As been asked so many times in the latest days about, please find below a quick install guide that might help you to have a smooth and easy installation: Arduino IDE 1.6.4 Portable – Blinky test: Detailed instructions: 1. Download Read more…
Working last days on the driver for MAX7219 8 digit display module I found that dtostrf() ESP8266 STDLIB function is not working properly for values containing “0”‘s after dot, like: 1.0256,1.00256, etc. With the quick written test code from below Read more…
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 Read more…
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 Read more…
Because of the very cheap ACS712 Current Sensor Board modules available all over the place, I really think that everybody heard about ACS712 sensor from Allegro MicroSystems. As I was asked if “Can be used as a current sensor Read more…