Month: May 2021

555 timer notes

555 Timer duty cycle changing formula Ask QuestionAsked todayActive todayViewed 85 times-1 I am making a PWM motor speed controller. I used the Astable mode thinking it would work; it did not. Using an oscilloscope […]

8 channel relay python program

Need script to make scheduled 8 channel relay outputs [closed] Ask QuestionAsked todayActive todayViewed 17 times1Closed. This question is off-topic. It is not currently accepting answers. This question does not appear to be specific to the Raspberry […]

magnetic door lock

Raspberry Pi , RFID , Relay Module and Magnetic Door Ask QuestionAsked 8 days agoActive todayViewed 95 times01 I have used the code from github and in that code i am implementing the raspberry pi […]

LED lighting notes

LED lighting for use in miniature tanks Ask QuestionAsked todayActive todayViewed 64 times1 Novice, built a modell for a popular wargame. I built a mobular tank using magnets for multiple variants from 1 kit. I […]

Activate 12 V Relay with a 5 V GPIO Ask QuestionAsked todayActive todayViewed 23 times1 What is the reason of using 10 kΩ resistor in series to the control signal? Is it related to the […]

a4899 notes

Powering a NEMA 17 motor | Wattage Vs Voltage Ask QuestionAsked todayActive todayViewed 23 times1 I apologize if the question is silly as this is my first project involving stepper motors and I’m confused about […]