'JHS Pedals', 'shnobel', 'JLeonardJ', and 'Mike Hermans' all have great content about guitar pedals, effects, etc. [Note: Even if you're not a guitarist, JHS's

'JHS Pedals', 'shnobel', 'JLeonardJ', and 'Mike Hermans' all have great content about guitar pedals, effects, etc. [Note: Even if you're not a guitarist, JHS's "The First Guitar Effects Ever" is an interesting watch.]