Learn amplitude modulation with step-by-step circuit diagram, AM formula derivation, ... Build a simple Arduino-based walkie-talkie using the NRF24L01 module to enable two-way wireless audio ...

I nearly shelled out for new circuits - until this Klein tool proved I already had power right where I needed it.

This circuit diagram illustrates a fire and smoke detection system using an Arduino UNO R4 WiFi, MQ2 smoke sensor, and a flame sensor (fire sensor). The Arduino is the central controller that receives ...

To find the right circuit in the electrical panel, you first plug the socket tester into a socket. Then you go to the panel ...

A film looking at how water travels through a plant from the roots to the leaves. Suitable for Key Stage 1, Key Stage 2, Early and 1st Level and 2nd level and Foundation level.

The demonstration design uses the ams OSRAM AS6212 temperature sensor and STMicroelectronics LIS2DW12 accelerometer boards ...

An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...