16 Channel InfraRed remote controller
16 Channel Infra-Red remote controller is based on PIC16F73 Microcontroller from Microchip. The receiver part follows RC5 (Philips) Code Format. Tiny receiver provides 16 latch outputs or 8 Latch + 8 Momentary outputs by closing Jumper J1. All outputs are TTL and can drive Relay board...
Continue ReadingConsolite – a Tiny Game Console on an FPGA
Robert Fotino has design a video game system on a FPGA. He writes: For my latest project, I am diving back into Verilog to create the hardware side of Consolite. For those who don't know, Consolite is the name I've given to my design of a tiny hobbyist game console and associated...
Continue ReadingButchered USB TTL Serial Adaptor
Aaron Brady writes: We popped open the case, and there were two main ICs, a Prolific 2303 (the USB to Serial IC) and a ADM3251E (the RS232 line level convertor). I tried to desolder this with no success, but Bas stepped in, cut the leads with a craft knife and ran the iron over the...
Continue ReadingLearn how to play sound with Arduino by building a DIY Micro Piano
In this video we are going to learn how to make sound with Arduino. We are going to build a simple Micro Piano in order to demonstrate the capabilities of the tone function. Let's start! Playing back sound is great for adding audio feedback to our projects. So far we were using...
Continue ReadingWiFiRGB – A WiFi-enabled RGB high-power LED
Tom blogged about his WiFi/Browser controlled RGB LED project: Features Simple hardware, using pre-fabricated modules Controls an RGB LED via any recent browser, any operating system WiFi credentials can be configured via browser Software is written as an Arduino...
Continue ReadingsamDEV_09 – Mini devboard for Atmel’s SAMD09 ARM Cortex M0+ Microcontroller
A Basic board to test the Atmel SAMD09. On board there is also a CH340 uart to usb bridge Build this board to getting started with the SAMD microcontroller family after I made the mistake to try the much bigger SAMD21 first. The SAMD09 used here is he smallest from this family and...
Continue ReadingSimple nanosecond-width pulse generator provides high performance
by Jim Williams @ edn.com If you need to produce extremely fast pulses in response to an input and trigger, such as for sampling applications, the predictably programmable short-time-interval generator has broad uses. The circuit of Figure 1, built around a quad high-speed comparator...
Continue ReadingMicro-supercapacitor fits inside IoT chips
by Jan Buiting @ elektormagazine.com: Zero-power autonomous devices will abound on the IoT of the future, and battery manufacturers are scratching their heads to come up with the best possible solution ensuring high energy and power density at miniature scale. A new material...
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