Comparison page

HT16K33 vs TM1637

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

HT16K33

Projects needing LED matrix and I2C with a commonly available displays part.

TM1637

Projects needing 7-segment and Low cost with a commonly available displays part.

Specification Matrix

DimensionHT16K33 TM1637

CategoryDisplaysDisplays

MakerHoltekTitan Micro

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino, MicroPython

Price$1.00 - $3.50$0.50 - $2.00

Known Tradeoffs

HT16K33

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

TM1637

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

HT16K33

Holtek

I2C LED matrix and segment driver used in backpack display modules.

China-madeDisplays78% confidence

TM1637

Titan Micro

Simple 4-digit 7-segment LED display driver module used for clocks and counters.

China-madeDisplays74% confidence