Adding battery charger to ESP8266 and ESP32 (well done)
Learn how to add a rechargeable battery to your project, easily and safely.
Learn how to add a rechargeable battery to your project, easily and safely.
Everything you need to know about connecting a buzzer to a NodeMCU, ESP8266 or Arduino
Temperature, humidity and atmospheric pressure easily and accurately.
What do we need to consider when powering external sensors and actuators?
Using an OLED display with ESP Easy is very easy. Here are the step-by-step instructions with video
Do you want to control a VTX video transmitter with an Arduino? Here's how to do it.
How is the design of a homemade circuit? Let's talk about the design and assembly of electronic circuits.
Contents1 How can I measure radioactivity?1.1 Making a Geiger counter from scratch?2 Building a Geiger counter kit?3 Assembling the Geiger counter4 The STS-55 Beta and Gamma radiation detection tube 3D printed box6 Sending radioactivity data to the internet7 Want to have your own Geiger-Müller counter?7.1 Geiger counters in kit form7.2 Geiger counters ... Read more
CO2 (carbon dioxide) is a dangerous gas for humans. In high concentrations it can cause dizziness, headache, high blood pressure, rapid heart rate, asphyxia and unconsciousness.