Running Flask web app in Colab
During the coding on Python web applications using Flask too lazy to install some additional services (web server and so on) on the local PC. It would be good just to run Colab in the Google cloud and get access … Continue reading
Connection of GSM module SIM800L to ESP8266/ESP32/Arduino
In the previous artiсle I have considered in detail the relatively expensive (color of the sea wave :-)) GSM module SIM800C and its connection to microcontrollers ESP32/ESP8266 series. I didn’t like this GSM module SIM800C. In my opinion there is … Continue reading
Eliminating the contact's slumber in the water meter
In the previous article, I considered an example of a scheme to remove data from a water meter. The program method using the Bouncer2 library was used for getting rid of the contact'S slumber. Software removal of the contact's slumber … Continue reading
Connection of the relay to ESP8266/ESP32/Arduino via the TLP281-4 optronic Assembly
In the previous article I considered the connection of the relay to the output of microcontrollers ESP8266/ESP32/Arduino through a discrete transistor, i.e. Without galvanic junction load and microcontroller. You can simplify your life and do not be wise with the … Continue reading
RTC (Datalogger) modules for Wemos D1 Mini & MH ET Live Minikit
Aliexpress presents a large number of various external modules RTC and combined modules RTC + SD card or EEPROM. I will consider the most interesting for use with compact developer boards MH ET Live Minikit (ESP32) (another variant of search) … Continue reading
Overview of RS485 modules for ESP8266/ESP32/Arduino
The Industrial interface RS485 is used for data removal and control of various devices. Typically, the Modbus RTU/TCP protocol is used. About shields for Arduino allowing you to get the RS485 interface I wrote earlier. However, shields are suitable for … Continue reading
