Programmable CW Morse beacon
Marko Pavlin has designed a Mini USB dongle with STM32F0xx that is connected to USB and controlled via command line interface. Mini USB dongle with STM32F0xx is suitable many for simple, mini projects. I attached speaker to Timer14 PWM output (Pin PA6) and LED (or optocoupler...
Continue ReadingMAX038 Function generator
Milen @ instructables.com has designed a Function Generator based on the popular MAX038 and is controlled by ATMega328PU. Signal characteristics are displayed on a LCD screen. The digital features of the function generator were performed by one Atmega328 chip. Its functions are the...
Continue ReadingNixie thermometer
Luca Dentella has build a Nixie thermometer to measure the temperature of the liquid cooling system, file are available on Github. I decided to log the design and the development of the project in ten blog posts. They show my “divide et impera” approach: I divided the whole...
Continue ReadingHow to build your own 8×8 led matrix
circuitspecialists.com has published a new guide on how to build your own 8x8 LED Matrix on a prototyping board. In a later guide they will show how to program it using an Arduino Compatible board. Today we will be starting our adventure into the deeply complex, yet totally...
Continue ReadingUSBpicprog – a free and open source usb pic programmer
USBpicprog is an open source Microchip PIC programmer for the USB port based on PIC18F2550. PC Software, Firmware and Hardware are open source and available for free. The hardware is built around a microchip PIC18F2550, this microcontroller has on board USB capabilities. The...
Continue ReadingAdding touch screen to Siglent SDS1022c Oscilloscope
morethanuser.blogspot.com has a guide on how to add a touch screen on a Siglent SDS1022c Oscilloscope. For that purpose he used an Arduino Nano and a touch screen panel from Prestigo 7" tablet. He discuss about the keyboard protocol, the display driver and the touch screen and shows...
Continue ReadingMicrochip cloud-based development platform launches
Microchip Technology announced MPLAB Xpress, a new cloud based development environment to provide an easy way to get started with PIC microcontrollers. Microchip Technology Inc. (NASDAQ: MCHP), a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today...
Continue ReadingOrganic solar cells set new efficiency record
The German company Heliatek has developed new OPV multi-junction solar cells with an efficiency of 13.2%. This is a world record for organic solar cells. Thanks to the excellent low light and high temperature behavior of the organic semiconductor, the electricity generation of the...
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