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Clock & Timer Development Tools

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Part #

Clock & Timer Development Tools Ultra-Precise Real Time Clock

255
Adafruit
1: HK$143.85
189In Stock

Mfr. Part No.
255

Mouser Part No
485-255

Adafruit

Clock & Timer Development Tools Ultra-Precise Real Time Clock

Datasheet

189In Stock

HK$143.85

Min.: 1
Mult.: 1

Clock & Timer Development Tools PCF8523 RTC for RPi

3386
Adafruit
1: HK$60.99
1,202In Stock

Mfr. Part No.
3386

Mouser Part No
485-3386

Adafruit

Clock & Timer Development Tools PCF8523 RTC for RPi

1,202In Stock

HK$60.99

Min.: 1
Mult.: 1

Breakout Boards

RTC

PCF8523

Clock & Timer Development Tools Adafruit Si5351A Clock Generator with STEMMA QT - 8KHz to 160MHz

5640
Adafruit
1: HK$65.35
40In Stock
51Expected 2/12/2026

Mfr. Part No.
5640

Mouser Part No
485-5640

Adafruit

Clock & Timer Development Tools Adafruit Si5351A Clock Generator with STEMMA QT - 8KHz to 160MHz

40In Stock

51Expected 2/12/2026

HK$65.35

Min.: 1
Mult.: 1

Breakout Boards

Clock Generator

Si5351A

8 kHz to 160 MHz

Bulk

Clock & Timer Development Tools Adafruit Si5351A Clock Generator Breakout Board - 8KHz to 160MHz

2045
Adafruit
1: HK$65.35
244In Stock

Mfr. Part No.
2045

Mouser Part No
485-2045

Adafruit

Clock & Timer Development Tools Adafruit Si5351A Clock Generator Breakout Board - 8KHz to 160MHz

244In Stock

HK$65.35

Min.: 1
Mult.: 1

Clock & Timer Development Tools Adafruit DS3231 Precision RTC Breakout

3013
Adafruit
1: HK$143.85
348In Stock

Mfr. Part No.
3013

Mouser Part No
485-3013

Adafruit

Clock & Timer Development Tools Adafruit DS3231 Precision RTC Breakout

348In Stock

HK$143.85

Min.: 1
Mult.: 1

Breakout Boards

RTC

DS3231

Clock & Timer Development Tools Adafruit PCF8523 RTC Breakout Board

3295
Adafruit
1: HK$57.13
216In Stock

Mfr. Part No.
3295

Mouser Part No
485-3295

Adafruit

Clock & Timer Development Tools Adafruit PCF8523 RTC Breakout Board

216In Stock

HK$57.13

Min.: 1
Mult.: 1

Clock & Timer Development Tools Adafruit PiRTC - Precise DS3231 Real Time Clock for Raspberry Pi

4282
Adafruit
1: HK$122.89
735In Stock

Mfr. Part No.
4282

Mouser Part No
485-4282

Adafruit

Clock & Timer Development Tools Adafruit PiRTC - Precise DS3231 Real Time Clock for Raspberry Pi

Learn More

735In Stock

HK$122.89

Min.: 1
Mult.: 1

Development Boards

RTC

DS3231

32 kHz

Clock & Timer Development Tools Adafruit DS3231 Precision RTC - STEMMA QT

5188
Adafruit
1: HK$114.67
185In Stock
239Expected 10/9/2026

Mfr. Part No.
5188

Mouser Part No
485-5188

Adafruit

Clock & Timer Development Tools Adafruit DS3231 Precision RTC - STEMMA QT

185In Stock

239Expected 10/9/2026

HK$114.67

Min.: 1
Mult.: 1

Clock & Timer Development Tools DS3231 Precision RTC FeatherWing - RTC Add-on For Feather Boards

3028
Adafruit
1: HK$114.67
67In Stock

Mfr. Part No.
3028

Mouser Part No
485-3028

Adafruit

Clock & Timer Development Tools DS3231 Precision RTC FeatherWing - RTC Add-on For Feather Boards

Learn More

67In Stock

HK$114.67

Min.: 1
Mult.: 1

Clock & Timer Development Tools Adafruit S-35710 Low-Power Wake Up Timer Breakout - STEMMA QT / Qwiic

5959
Adafruit
1: HK$40.69
14In Stock

Mfr. Part No.
5959

Mouser Part No
485-5959

Adafruit

Clock & Timer Development Tools Adafruit S-35710 Low-Power Wake Up Timer Breakout - STEMMA QT / Qwiic

Datasheet

14In Stock

HK$40.69

Min.: 1
Mult.: 1

Breakout Boards

Timer

S-35710

Bulk

Clock & Timer Development Tools Adafruit 555 PWM Output STEMMA - 1.5K 25 KHz or 1.5 250 Hz - STEMMA JST PH 2mm

5963
Adafruit
1: HK$32.47
35In Stock

Mfr. Part No.
5963

Mouser Part No
485-5963

Adafruit

Clock & Timer Development Tools Adafruit 555 PWM Output STEMMA - 1.5K 25 KHz or 1.5 250 Hz - STEMMA JST PH 2mm

Datasheet

35In Stock

HK$32.47

Min.: 1
Mult.: 1

Breakout Boards

Timer

LM555

1.4 Hz to 250 Hz, 1.4 kHz to 25 kHz

Clock & Timer Development Tools TPL5110 Low Power Timer Breakout

3435
Adafruit
1: HK$40.69
224In Stock

Mfr. Part No.
3435

Mouser Part No
485-3435

Adafruit

Clock & Timer Development Tools TPL5110 Low Power Timer Breakout

Learn More

224In Stock

HK$40.69

Min.: 1
Mult.: 1

Breakout Boards

Timer

TPL5110

Clock & Timer Development Tools Adafruit TPL5111 Low Power Timer Breakou

3573
Adafruit
1: HK$48.91
46In Stock

Mfr. Part No.
3573

Mouser Part No
485-3573

Adafruit

Clock & Timer Development Tools Adafruit TPL5111 Low Power Timer Breakou

Learn More

46In Stock

HK$48.91

Min.: 1
Mult.: 1

Breakout Boards

Timer

TPL5111

Clock & Timer Development Tools Adafruit PCF8523 Real Time Clock Breakout Board - STEMMA QT / Qwiic

5189
Adafruit
1: HK$40.69
110In Stock

Mfr. Part No.
5189

Mouser Part No
485-5189

Adafruit

Clock & Timer Development Tools Adafruit PCF8523 Real Time Clock Breakout Board - STEMMA QT / Qwiic

110In Stock

HK$40.69

Min.: 1
Mult.: 1

Clock & Timer Development Tools Black Kailh CHOC Slim Key Caps x 10 pack

5111
Adafruit
1: HK$30.83
4In Stock
20Expected 22/12/2026

Mfr. Part No.
5111

Mouser Part No
485-5111

Adafruit

Clock & Timer Development Tools Black Kailh CHOC Slim Key Caps x 10 pack

4In Stock

20Expected 22/12/2026

HK$30.83

Min.: 1
Mult.: 1

Clock & Timer Development Tools Adafruit DS1307 RTC Breakout Board

3296
Adafruit
1: HK$61.65
198On Order

Mfr. Part No.
3296

Mouser Part No
485-3296

Adafruit

Clock & Timer Development Tools Adafruit DS1307 RTC Breakout Board

198On Order

HK$61.65

Min.: 1
Mult.: 1

Breakout Boards

RTC

DS1307

32.768 kHz

Clock & Timer Development Tools

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