Jul 20, 2020 · In this recipe, we will blink an LED on Raspberry Pi using the software PWM. Components required 1. Raspberry Pi 3/4 Model B x1 2. LED x1 3. 330 Ohms resistor x1 4. Breadboard x1 5. Male-to-female jumper wires. Circuit connections First, connect the GPIO21 (board pin number 40) of Raspberry Pi with the anode of the LED. Next, connect the ...
Mass of 20 ml of water in grams