Literature and examples, sensors, wireless communication, power supply for devices for face recognition to 5 meters, may and bigger distance

I am programing in Keil 4 I am reading the books The Definitive Guide to ARM ® Cortex ®- M3 and Cortex ®- M4 Processors . by Joseph Yiu and Embedded Software in C for an ARM Cortex M by Jonathan...
Literature and examples, sensors, wireless communication, power supply for devices for 3D face recognition to 5 meters, may and bigger distance

I am programing in Keil 4 I am reading the books The Definitive Guide to ARM ® Cortex ®- M3 and Cortex ®- M4 Processors . by Joseph Yiu and Embedded Software in C for an ARM Cortex M by Jonathan...
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...
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...
how humidity sensor will make using 8051 microcontroller. and also gave code of this sensor.

how humidity sensor will make using 8051 microcontroller. and also gave code of this sensor.