Turn an led off when there is 3V input Ask QuestionAsked todayActive todayViewed 17 times1 I have a LED (5mm , 2V 20mA) which is always on from a 12V supply. (assume it has some […]

MX1508 motor driver flyback diode controversy Ask QuestionAsked todayActive todayViewed 18 times0 Hi I am trying to use the MX1508 motor driver with my 6V dc motor, but I’ve read criticism that it doesn’t have […]

Connecting RS232 GPS Board to Raspberry Pi Ask QuestionAsked todayActive todayViewed 9 times0 I purchased a NEO-6M GPS board to connect to my Raspberry Pi, and when I bought it I didn’t realize that it […]

@RobH. I just saw that you are using Rpi3B+, and there is a big problem. It was some two years ago I found a rpi pro complaining that he could not set […]

RPI Linux RS-485 with CH340B chip (Sometimes misses 7th byte, on specific reading) Ask QuestionAsked todayActive todayViewed 10 times-1 I have a problem with RS-485 communication. Sometimes reading misses 7th byte (so it misses start […]

Can I upload a 24V to 5V optocoupler schematic from a module I bought? Ask QuestionAsked todayActive todayViewed 5 times1 I have the schematic for an 8 channel 24V to 5V optocoupler board I purchased. […]

How can I test a TLP582 optocoupler? Ask QuestionAsked 4 days agoActive todayViewed 100 times1 Have few of these components (TLP582) and I need to design a test circuit to test its functionality. Datasheet of […]

Re: GPIO.input voltage levels vs edge detection Quote Fri Dec 14, 2018 4:15 amBrandon92 wrote: ↑Wed Dec 12, 2018 8:14 pmFor a project I used this LED and it was powered by 3.3V with a 650r resistor. […]

Dear partners,Due to the rapid development of SIMCom and the continuous expansion of its business, the original office location can’t meet the needs that future development of company. From January 1, 2021, […]

Turn ON/OFF a LM2596 based buck converter with microcontroller Ask QuestionAsked todayActive todayViewed 40 times0 I want to turn ON and OFF a LM2596 based buck converter with a microcontroller GPIO pin. 5th pin of […]