RTC Board (MIKROELEKTRONIKA)

RTC PROTO Board (MIKROELEKTRONIKA)

RTC2 Board (MIKROE-330)

RTC2 PROTO Board (MIKROELEKTRONIKA)

RTC click (MIKROE-947)

RTC2 click (MIKROE-948)

MOD-RTC (REAL TIME CLOCK INTERFACE BOARD PCF8563)

Real Time Clock module with DS1307 RTC (MR005-001.2)

EEPROM AND RTC Module (ITead IM130710004) DS1307

Adafruit Assembled Data Logging shield for Arduino (Adafruit 1141)

DeadOn RTC - DS3234 Breakout (Sparkfun BOB-10160)

*replaced BOB-12708* Real Time Clock Module (Sparkfun BOB-00099) DS1307, CR1225 17 years,I2C

Grove - RTC (Seeed SEN12671P)

ChronoDot - Ultra-precise Real Time Clock (Adafruit 255)

Si5351A Clock Generator Breakout Board - 8KHz to 160MHz (Adafruit 2045)

Real Time Clock Module I2C (Sparkfun BOB-12708)  DS1307 CR1225

RTC & EEPROM Module DS3231 AT24C32 (ER-SMI3231DS)

RTC EB  DS1307ZN+ (ER-EBR00102R)

RTC Tiny For Arduino (ER-SMI00101S) DS1307  I2C  CR1225

RTC Data Logger Shield (ER-ASC7503RTC) for Arduino datalogger

DS3231 High Precision RTC Clock Module for Raspberry Pi (ER-RPA32311R)

Accessory Shield  for Arduino Development (WS-10567)

Adalogger FeatherWing - RTC + SD Add-on For All Feather Boards (Adafruit 2922)

DS3231 Precision RTC FeatherWing - RTC Add-on For Feather Boards (Adafruit 3028)

RTC Shield (Hardkernel) Real Time Clock Shield for the ODROID-C2

PCF8563 RTC Board (WS-PCF8563) Waveshare

DS1302 RTC Board (Waveshare) SPI, supports 3/4-wire sync serial communication

Electronic Time Delay Module (ER-SPTD014M) delay time 0~14 minutes

Adafruit PCF8523 Real Time Clock Assembled Breakout Board (AF-3295)

Adafruit DS1307 Real Time Clock Assembled Breakout Board (AF-3296)

Adafruit TPL5111 Low Power Timer Breakout (AF-3573)

DS1307 Real Time Clock Breakout (NU-BRKDS1307)

RTC WatchDog HAT for Raspberry Pi, Auto Reset, High Precision RTC (WS-20374)