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Solar heated Spa Pool (hot tub)
I’ve managed to enjoy reasonably priced electricity at my home over the last few years but prices are now going UP, UP, UP!
Read More »Powering and Grounding 1Wire DS18B20 with Digital IO Pins
Sometimes you find yourself in a situation where your Micro-controller has plenty of spare IO, very little power & ground connectors, and you want to add a 1Wire DS18B20 device as tidily as possible. The classic Dallas 1Wire…
Read More »Pulsecounter PCB’s have arrived
I posted recently about detecting power loss in an AVR and quickly writing values to EEPROM before power is lost completely and have since received the PCB’s I ordered from oshpark. This is the first time I have…
Read More »AVR – Detecting loss of power and writing to EEPROM
As part of a recent AVR project, I wanted a way to increment a counter and store it even if the power was lost. This could be done with an external flash memory device, but I wanted to…
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