Arduino projects & classical electronics by Nicu FLORICA ( niq_ro), since 2003
original article (roumanian language) After I became familiar with P20F04D-12L display module using Arduino develelopment board, I decided to made a weather station (temperature & humidity). The first tests we presented in the previous article...
original article in roumanian languageThis display module named P20F04D-12L has 16×8 pixels, each made with 2R1G1B leds (2 red leds, one green led & one blue led). For power supply it use 5V (VCC &...
In more portable devices it use LM386 who is 1W audio power amplifier with x20 to x200 gain (26..46dB) and BASS BOOST feature. Is very usefull to read the datasheet from Texas Instruments or UTC. I made a sound surveillance...
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