A device which includes a central processing unit (CPU), memory, and (generally) an assortment of I/O peripherals (UART, ADC, DAC, general-purpose I/O, I2C, etc.) in a tightly-coupled standalone package.
0
votes
2answers
59 views
How to go from a Development Board to a product design? [on hold]
I am thinking about using a development board to test a concept I have and I wonder if it will become a viable product possibility how easy will it be to take the dev board design and drop it (minus ...
0
votes
1answer
47 views
Relationship between clock speed and I2C bus speed
I have understood the i2c protocol working .The i2c protocol specifies three modes namely 100-kbps (Original speed ),400kbps (fast mode ),High speed mode (3.4 Mbps),one-thing i didn't understand is ...
-1
votes
0answers
44 views
USB MIDI capable DIP package microcontroller [on hold]
I am building MIDI controllers built around Arduino microcontroller. Since Arduinos don't support MIDI natively, I am looking for a hardware solution. There is ATmega8u2 and ATmega16u2 firmware called ...
0
votes
2answers
87 views
Colour Sensor from discrete components?
I am participating in a robotics competition that requires colour detection using discrete components.
The aim is to detect red and green lights of traffic signals.
I have tried making a sensor ...
3
votes
1answer
50 views
In-System Programming of FPGA by MCU
Let me know if this is the wrong place for this, but I am looking to program an FPGA (Spartan 6, I believe) using a microcontroller.
Right now the way I am thinking about doing this is I will load ...
1
vote
1answer
101 views
Problems with LCD initialization: 4-bit mode
I have this microcontroler with this LCD(DEM16216) mounted on it which I cannot initialize.
Only 4 of the pins are connected, thus it runs in a 4 bit mode (I think?). I found the datasheet for it ...
2
votes
1answer
78 views
Amplifying and Reading a 0-1 V signal into Arduino
I'm trying to read the (0~1V) output of a current transformer (CT) into the 10-bit ADC input of an Arduino Nano. The CT is sensing the L wire carrying 120V at 60Hz.
...
-4
votes
1answer
60 views
Field trip to a home-based mobile phone factory [on hold]
What are the components I need for assembling a hobby mobile phone?
How would I go about assembling such a hobby device?
Are there laws governing assembly/use of such hobby devices?
-4
votes
1answer
116 views
What controller for very low power? [on hold]
For years the TI MSP430 has been the standard for battery-powered, low-power devices. Is this still the case? Which other manufacturers are also focussing on low-power?
0
votes
0answers
41 views
TCP/IP stack library for ST microcontroller
I'm looking for a free function library, that implements TCP/IP stack for STM32F103CBT7 (Cortex M3) microcontroller. The datasheet of this controller is following:
...
0
votes
1answer
59 views
What would cause SRAM to have no errors when 5 of the bits are high?
We have a SRAM (8bit by 512k chip, 19bit address) connected to a XMOS micro-controller using a ribbon cable soldered on both sides. The xmos micro controller is a startKit and the sram chip is a ...
1
vote
1answer
54 views
Power consumption - Energia Launchpad
I'm working with energia for the launchpad 430 and have a rather specific question to make: is example A the equivalent in power consumption has example B, or is it that B drains more power? Thank ...
4
votes
3answers
365 views
Is there any difference between the assembly instructions of ARM MCUs from two different corporations?
I'm curious to know, are there any differences between the assembly instructions of ARM MCUs from two different corporation? For example between an Cortex-M3/4 of NXP and TI or ST or other ...
0
votes
1answer
62 views
Four different pwm using PIC 18f45k80
In a 4 phase dc motor control application, I have to excite the coil using Mosfet with the pwm of 12.5 Hz with the train of pulses of 12 khz on each phase. So I am in a position to create 4 different ...
0
votes
1answer
63 views
Hardware accelleration for Python dict?
I wondered if it were possible to accelerate in hardware the Python dict? Dicts are mappings between a key and value that form a large part of the backbone of how Python works. Everything is an ...
