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You can realize it by using a software radio. I don't know what part you are interested in (DSP, hardware design, wireless protocol, etc). But, look into GNU radio and USRP. GNU radio is open source software radio which run in Linux. USRP is hardware with FPGA, ADC and DAC. You can buy...
Voltage drop on each LED can be slightly different even though the LEDs are the same color (often LEDs with different color have different voltage drop).
If they have different voltage drop. only one LED will lit up. Thus, each LED needs to have its own current limiting resistor.
I want to build a simple circuit with a FPGA. I initially thought about building 4 layer board, but later learned that it would be very expensive.
The FPGA I want to use requires 3 voltage rails... I wonder if it would be possible to be done in 2 layer board?
The circuit will have 1)...
I've used 8-bit Atmel microcontroller before, it was easy to use and pretty cheap. It is based on Intel 8051 family.
I used the one with 2x UART cores, but there are others with different peripherals such as I2C, I believe.