Posts by Ibrar Ayyub:
Wisp628 an in-circuit flash PICmicro Programmer
Posted on: 07 Oct 2016
Features in-circuit programmer programs flash PICmicro’s supports a rapid cycle of code/program/test prototype programmer takes power from the target circuit serial interface serial passthrough to the target Foremost Wisp628 is an in-circuit programmer. The programmer is connected to a few pins of the target PICmicro, which is programmed while it remains in the circuit. […]
Signal Generation with MATLAB. Example of DTMF in telephony
Posted on: 07 Oct 2016
In mathematics a signal is a real function of a real variable f(t). In electronics it represents the evolution of a voltage (or a current) over the time and depends on the performances of the stage of the amplifier. Through a memory buffer, samples move to a digital-to-analog converter that produces a voltage signal, after […]
A simple spectrum analyzer using dsPIC30F4011
Posted on: 07 Oct 2016
This is a project for viewing the frequency spectrum of input signal using dsPIC. The hardware uses the following: – 1. dsPIC30F4011. 2. Opamp (any one, like LM358, TL084). 3. Power supply. Software includes the following: – 1. FFT library code from Microchip 2. Graphic LCD driver code (for line, pixel plot etc). Graphic LCD […]
8-bit MCU with built-in 1 W Audio Amp
Posted on: 06 Oct 2016
LAPIS Semiconductor, a ROHM Group Company, has recently announced the development of a low power microcontroller that integrates an 8bit low power MCU core, speech synthesis circuit, high efficiency Class D speaker amp, non-volatile memory, and oscillator circuit on a single chip, making audio playback possible by simply connecting to a speaker. The ML610Q304 also […]
Hidden Radio Transmitter Controller
Posted on: 06 Oct 2016
PicCon is a PIC microcontroller based radio controller designed for hidden transmitter hunting. When combined with a radio transmitter, it will produce tone sequences and Morse code messages at user-programmed times. It is completely field programmable via DTMF tones, utilizes EEPROM for all programmed options so they are remembered when power is removed, and is […]
Logic PCB Business Card
Posted on: 06 Oct 2016
About I’ve seen PCB business cards for a few years now on Hackaday, and I figured it was time to design one of my own. Most PCB business cards involve a microcontroller. I wanted to do something a bit different, so my card performs its intended function strictly with digital logic gate and D-type flip-flop […]
A PIC frequency counter operating up to about 50 MHz. usnig pic microcontoller
Posted on: 06 Oct 2016
This PIC frequency counter project uses an LCD to display the frequency and PIC timer 1 to measure the input signal and Timer0 to measure the timing period. It uses Timer 1 in 16 bit counter mode to count the input signal edges and overflows of the counter are accumulated to give the total count […]
LTC3892/LTC3892-1 – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
Posted on: 05 Oct 2016
Features Wide VIN Range: 4.5V to 60V (65V Abs Max) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 99% • VIN Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) Selectable Gate Drive UVLO Thresholds Out-of-Phase Operation Reduces Required Input Capacitance and Power Supply Induced […]
First Servomotor Control Program
Posted on: 05 Oct 2016
In our first program , we will simply sweep the servomotor from CCW to CW and then sweep back. The program will be kept simple as to demonstrate the priniciples of controlling a servo with a the PIC Basic language. The schematic can be seen in figure 2 (below). The variable pw controls the pulsewidth, […]
Humidity sensor using 8051
Posted on: 05 Oct 2016
The communication protocol is explained as follows. The MCU (microcontroller unit) first sends a low signal of width 18mS to the DHT11. After this signal, the MCU pulls up the communication line and waits for the response from DHT11. It make take up to 2. to 40uS. Then the DHT11 pulls down the communication line […]