Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.

This kit is now discontinued. We've upgraded the Adafruit Motor Shield v1 to v2, with stacking-support and higher-current motor drivers, Please check out the v2 shield - its much better! Here is a ...

Realme is an offshoot of the Chinese brand Oppo, and aims to provide smartphones under Rs. 20,000 for the "young people around the world." It is led by former Oppo Global VP Sky Li and was launched in ...

An illustration of a magnifying glass. An illustration of a magnifying glass.