
TIME REQUIRED:
1–2 Hours
DIFFICULTY:
Easy
COST:
$90
MATERIALS
» Particle Boron LTE microcontroller I used
the CAT-M1 version for North America; there’s
also a CAT-1/3G/2G for Europe and a 2G/3G
global version.
» Garage opener remote control Be sure to
get the right frequency for your gate or garage
opener — commonly 315MHz or 390MHz.
» Breadboard, small
» Resistor, 2k
Ω
» Transistor, NPN I used a 2N3904; equivalent
options include the BC547.
» Jumper wires, male-male: 3" (2) and 6" (2)
» MicroUSB power cord and AC adapter
» Project enclosure box large enough to hold the
breadboard, opener, and Boron antenna
TOOLS
» Soldering iron and solder ...