![89S52 Thermistor Thermometer: LCD version 89S52 Thermistor Thermometer: LCD version](https://www.electronics-lab.com/wp-content/uploads/2015/09/thermo.jpg)
89S52 Thermistor Thermometer: LCD version
by Wichit Sirichote: This is the 2nd version of Thermistor Thermometer Project done by another group of my student. The 1st version having 4-digit 7-segment LED shows the use of simple display device. For applications that needs text display, this LCD version is more suitable and...
Continue Reading![Power supply IC generates low-noise bipolar (+/-) power rails Power supply IC generates low-noise bipolar (+/-) power rails](https://www.electronics-lab.com/wp-content/uploads/2015/09/3265-1024x731.jpg)
Power supply IC generates low-noise bipolar (+/-) power rails
by Graham Prophet @ edn-europe.com: LTC3265 is a high voltage, highly integrated, low noise dual output power supply IC which takes a single positive input supply (VIN_P) and generates low noise bipolar rails up to ±2•VIN_P without any inductors. High voltage boost and inverting...
Continue Reading![Delay using 8051 Timer Delay using 8051 Timer](https://www.electronics-lab.com/wp-content/uploads/2015/09/8051_timer.png)
Delay using 8051 Timer
The major component of this circuit is Microchip's SST89E54RDA-40-C-PIE, which is a pin-for-pin compatible with typical 8051 microcontroller devices. It has a built-in timer used to produce accurate time delay. The light emitting diode (LED) is connected through the 330Ω resistor to...
Continue Reading![IC monitors multicell battery packs IC monitors multicell battery packs](https://www.electronics-lab.com/wp-content/uploads/2015/09/Intersil-ISL94203.jpg)
IC monitors multicell battery packs
by Susan Nordyk @ edn.com: The ISL94203 battery-pack monitor IC from Intersil monitors, protects, and cell-balances three- to eight-cell rechargeable battery packs, supporting Li-ion CoO2, Li-ion Mn2O4, and Li-ion FePO4 chemistries. Its internal state machine has five preprogrammed...
Continue Reading![Mesa-Video : 800×600 Digital video for Arduinos Mesa-Video : 800×600 Digital video for Arduinos](https://www.electronics-lab.com/wp-content/uploads/2015/09/img_11001.jpg)
Mesa-Video : 800×600 Digital video for Arduinos
blackmesalabs.wordpress.com has build a video system for Arduino boards: This post describes Mesa-Video, a low cost, low power, small size and fully Open Source Hardware and Software solution for providing 800×600 digital video for Arduino ( and other ) microcontrollers. Mesa-Video...
Continue Reading![Arduino Oscilloscope Arduino Oscilloscope](https://www.electronics-lab.com/wp-content/uploads/2015/09/arduino-oscillo.jpg)
Arduino Oscilloscope
Noriaki Mitsunaga has build an Arduino Oscilloscope using minimum parts. He writes: I have created a simple Arduino Oscilloscope as above picture shows. Here is its summary. You can build your own! Arduino Oscilloscope -...
Continue Reading![MCP2221 HID Library MCP2221 HID Library](https://www.electronics-lab.com/wp-content/uploads/2015/08/mcp2221breakout-1024x768.jpg)
MCP2221 HID Library
Zak's Electronics Blog published a new library and breakout board for MCP2221 USB to UART interface IC: This is a library for interfacing with the HID features of the MCP2221 USB to UART and I2C/SMBus serial converter from Microchip. The converter includes 4 GPIO pins, 3x 10-bit...
Continue Reading![ESP8266 + Attiny85 + DHT22 Temperature/Humidity Logger ESP8266 + Attiny85 + DHT22 Temperature/Humidity Logger](https://www.electronics-lab.com/wp-content/uploads/2015/08/photo11-1024x685.jpg)
ESP8266 + Attiny85 + DHT22 Temperature/Humidity Logger
by guibom @ github.com: Basic ESP8266 + Attiny85 + DHT22 Temperature and Humidity logger. I've made this to experiment a bit with the ESP8266 wifi module, and hopefully make a remote sensor that posts the data to my server. I wrote the code to work with both an atmega328 and a...
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