Bulk Pricing

70 products

Save more on the parts you reorder. Eligible products in this collection get tiered volume pricing automatically applied at checkout — no codes, no account required, no minimum order.

Buy 5 or more, save 5%. Buy 10 or more, save 10%.

Built for makers, electrical engineers, classroom buyers, and small product teams who need reliable pre-soldered hardware in bulk. Every product ships same-day from Chicago, IL with free ground shipping on U.S. orders over $35. Defective items get a free replacement within 30 days.

Buying for a school, lab, or non-profit? You may qualify to order tax-free — upload your exemption certificate on our Tax-Exempt Orders page.

ShillehTek 4-channel relay module with blue relays and red circuit board

4-Channel 5V Relay Module for Arduino & Raspberry Pi

$7.50
ShillehTek 1-channel relay module with blue relay and screw terminals

1-Channel 12V Relay Module for Arduino & Raspberry Pi

$5.80
ShillehTek 8-channel relay module with blue relays on red PCB

8-Channel 5V Relay Module for Arduino & Raspberry Pi

$9.99
ShillehTek 2-channel relay module with blue relay switches on red board

2-Channel 24V Relay Module for Arduino & Raspberry Pi

$6.50
433MHz 12V 1-Channel Relay Module and black wireless remote key fob

433MHz 12V 1-Channel Relay Module with Wireless Remote

$9.99
Top view of ShillehTek 2-channel relay board showing connection terminals

2-Channel 5V Relay Module for Arduino & Raspberry Pi

$6.25
ShillehTek 4-channel relay module with blue relays and red circuit board

4-Channel 24V Relay Module for Arduino & Raspberry Pi

$7.50