Arduino tehNiq

   For heating system using wood or another solid combustible materials who use recycle pump, I design a simple thermostat to power the pu...

   This interesting project was made by Bogdan Arnautu , reader of my blogs. He use an ATmega8A-PU chip in this schematic (for 14 leds): ...

original article in romanian language    Inspired by  Arduino Digital Clock & Thermometer  article, I change the schematic for use...

original article     After few nights and days than test the clock, I change style for usualt temperature... without sign and normal C......

original article    Because I use DHT22 (AM2302 sensor) am change the sketck ( mini_clock_1_3_b.ino )  to see temperature with number aft...

   After some time, I update project "mini clock" with DHT sensor, schematic is now      Because, I realize in original pr...

   I buy from Gearbest an interesting lcd display with 6 digit 7-segment drived by HT1621 chip.   I search informations about this displ...