Comparison page

HT16K33 vs UC8151

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.

UC8151

Projects needing E-paper and Low power with a commonly available displays part.

Specification Matrix

DimensionHT16K33 UC8151

CategoryDisplaysDisplays

MakerHoltekUltraChip

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino

Price$1.00 - $3.50$4.00 - $12.00

Known Tradeoffs

HT16K33

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

UC8151

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

UC8151

UltraChip

E-paper display controller used in small low-power black-and-white e-ink modules.

China-madeDisplays70% confidence