Practical
Electronics
The UK’s premier electronics and computing maker magazine
Circuit Surgery
Op amp logarithmic and
exponential amplifiers
Audio Out
Electronic Building Blocks
Designing the all-new
PE Analogue Vocoder
Standalone programmable
stepper motor controller
WIN!
Easy-to-build Digital
AM/FM/SW Receiver
Microchip
dsPIC33CH
Curiosity
Development
Board
Mastering
Mini Digital
Volt/Amp
Panel Meters
SuperCodec:
Balanced Input
and Attenuator
Using low-cost
DDS modules
PLUS!
Animating
LED eyes for
your robot!
192kHz, 24-bit
Techno Talk – Miraculous Transformation
Fox Report –Not all tech progress is for the better
Net Work – Smart glasses and home security drones
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Dec 2021 £5.49
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9 772632 573023
practicalelectronics