In Part 1 of this tutorial, we discussed about Sensirion’s SHT1x and SHT7x series of humidity sensors, their interface specifications, the communication protocol used for transferring data in and out of the sensor, and the equations to convert their digital outputs to actual physical quantities. These sensors are capable of measuring temperature along with relative […]
This is an example USB project showing how to interface an optical mouse sensor (the ADNS-2620) with a standard XP/Vista computer. The TD-USB-01 board with a PIC18F2550 communicates with: the PC: USB 2.0 through a mini-B connector. the mouse sensor board: SPI over 4-wire flatcable. Here are the technical specifications: PC Win XP/Vista interface application
TD-USB-01 interface with mouse sensor board using PIC18F2550 Read More »
This page will show you how to use the TD-CMP modules in a way which fits you most. Here are the technical specifications of the modules: Compass: Resolution: 1° – Accuracy: 3° Tilt/Roll: (TD-CMP02 and TD-CMP03 only) Resolution: 2° – Accuracy: 5° Temperature: (TD-CMP03 only) Resolution= 1°C/F – Accuracy =1° New: Sampling rate: 12,5
Roll and Temperature sensor applications using PIC18F2550 Read More »
Over the last few months I have prototyped and built a water tank level sensor for my 9000L rain water tank. The design is based entirely on Silicon Chip’s PIC-Based Water-Tank Level Meter, but instead of programming PICs, I prototyped using an arduino, and built the final version using PICAXE microcontrollers. The sensor consists of
Wireless PICAXE-based water tank level sensor Read More »
This simple project uses a Dallas DS1820 one wire temperature sensor and a pic 16f628 microprocessor. A simple temperature regulator where a LED symbolizes the Fan. Data derived from the DS18s20 is a 9bit centigrade temperature measurement. As mentioned the temperature sensor communicates over a one Wire bus that requires only one data line and ground for
DS1820 Temperature regulator using PIC16F628 Read More »
Project Summary The CITROEN Saxo Vehicle Touch Sensitive switches For operating Hazards and two peripheral devices If you want to change the look of your dash board inside a vehicle, maybe just fancy some of modern electronics This could be the design for you Project Description Faced with a challenge last year a young lad
CITROEN Saxo Vehicle Touch Sensitive switches using PIC16F84A Read More »
The microcontroller used is 0822 zilog encore! 8k series (soic,28pin) as shown on the figure. Is a programmable microcontroller, the functions used are the GPIO and the UART of the chip. GPIO is used on led indicators, and the UART is used for giving and reading AT COMMANDS to control the Bluetooth device. The
MCU controlled Bluetooth automation with infrared sensor Read More »
This project uses one of the smallest chips in the PIC microcontroller range, the PIC12F629 and you can learn to program it and experience the thrill of making something yourself and see what goes into writing a program. Even a program as simple as this one is not easy to put together and if you
Whistle Key Finder using PIC12F629 Read More »
Temperature and relative humidity are two very important ambient parameters that are directly related to human comfort. Monitoring these factors becomes even more crucial in various applications such as environmental control systems and indoor climate management. Integrating sensors like the Sensirion SHT1x/SHT7x can provide precise measurements, ensuring optimal conditions for occupants while also enabling efficient
This is an old design. Some of the components may be difficult to buy. If you would like to build an even better and cheaper A/D converter, take a look at the new PICADC3 design. The PICADC is a simple 12-bit, 8-channel analog to digital converter (with 4 additional digital inputs), which may be connected
PICADC – a free, PIC based “intelligent” A/D converter using PIC16F84 Read More »
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