How to interface Reed Switch sensor with 8051 Microcontroller?

Hi I want to build a system contain sensor ,Microcontroller and GSM module. I'll use SIM900 GSM module. The main idea of this project if Reed switch sensor connected I want the GSM module send an...
How to interface Reed Switch sensor with 8051 Microcontroller?

Hi I want to build a system contain sensor ,Microcontroller and GSM module. I'll use SIM900 GSM module. The main idea of this project if Reed switch sensor connected I want the GSM module send an...
How to make a sensor opening waterproof

Hello, Not really a Kiel related question, but I was hoping somebody might have an idea. I have an IR sensor connected to a microcontroller, which is part of a system that should withstand harsh...
How to make a sensor opening waterproof

Hello, Not really a Kiel related question, but I was hoping somebody might have an idea. I have an IR sensor connected to a microcontroller, which is part of a system that should withstand harsh...
Problems writing the program for 2 analog sensors and 2 digital sensors

Hi, I need to use 2 chanels for the A\D converter and 2 more for the digital incremental encoders. The experiment would be ran simultaneously and continuously. I am suppose to find the relation between...