For every project that uses an Arduino to make soup or an ESP8266 to hash bitcoin, there’s always someone out there uttering the same old refrain. I could have done it with a 555. More often than not, ...

Over the years we’ve been entertained by an array of musical projects from [Look Mum No Computer], and his latest is no exception. It’s a tape delay, loop generator, and synth all in one. Confused?

Housed in a 4 x 4-mm MLPQ16 package, the SX1781 RF synthesizer with built-in PLL circuits, includes a VCO and loop filter. The device can generate a frequency output range of 1.2 to 1.4 GHz with a 250 ...