IT peripherals & equipment
Blue Bins & Chutes
IT peripherals can be recycled as e-waste.
3-in-1 e-Waste Bins
E-Waste Collection Events (E-Drives)
Such peripherals can also be placed in non-regulated e-waste bins or recycled through other channels.
Tzu Chi Sustainability Day
Metalo Non-regulated e-waste bins
KGS Non-Regulated e-Waste Bins
For more expensive peripherals like keyboards, headsets and mice, if they are in good condition, they may be welcomed by some charities. But do note that often charities are overwhelmed with donation of these devices.
Metta Welfare Association
Freecycle / Give Away
You can also offer them through the usual freecycling channels if they are in good shape.