MicroSynth is a simple kit to get started with SMD soldering. It is based off the humble 555 timer and the frequency is determained by an LDR. <br><br>The synth is powered by a 9-Volt battery and the PCB is made in the states by osh-park.<br><br>The kit is available for purchase on tindie: <a target="_blank" rel="noopener noreferrer" href="https://www.tindie.com/products/11279/">https://www.tindie.com/products/11279/</a>