FT93xRTC External Power Switch Circuit
https://www.electronics-lab.com/ft93xrtc-external-power-switch-circuit/
This application note describes implementing a simple circuit for the FT930/FT931RTC external power supply switch. The Texas Instruments SN74AUC2G53 Single-Pole Double-Throw (SPDT) analog switch is used to select the power supplied by the 1.5V battery or by the 1.2V internal LDO. You can find other interesting Electronic circuits in this Circuits library This circuit has […]
PiCAN3 CAN Bus HAT for Raspberry Pi 4 with 3A Power Supply And Real-Time Clock
https://www.electronics-lab.com/pican3-can-bus-hat-for-raspberry-pi-4-with-3a-power-supply-and-real-time-clock/
Copperhill Technologies announced the release of its PiCAN3 CAN-Bus Board for the Raspberry Pi 4, adding Controller Area Network capabilities plus a real-time clock to the new Raspberry CPU. The PiCAN3 board with SMPS (Switch Mode Power Supply) provides CAN-Bus capabilities for the Raspberry Pi 4. It uses the Microchip MCP2515 CAN controller with MCP2551 […]
Real-time clock for wearables draws under 180nA
https://www.electronics-lab.com/real-time-clock-wearables-draws-180na/
More than 35 percent smaller than the tiniest RTC alternatives, the MAX31341B nanoPower real-time clock (RTC) from Maxim Integrated Products operates at less than 180nA. By Julien Happich @ eenewsembedded.com The 2×1.5mm device offloads the central microcontroller from timekeeping, allowing for greater energy savings during sleep cycles and extension of battery runtime in wearables and […]
Programmable light controller with ATmega8 and DS1307
https://www.electronics-lab.com/programmable-light-controller-atmega8-ds1307/
Dilshan Jayakody designed and build a programmable light controller that is able to turn ON and OFF a LED at predetermined time of each day. All the design files and source code related to this project are available at https://github.com/dilshan/programmable-light. The complete documentation of this project is also available at Github Wiki. To meet the […]
ESP8266 LED Matrix Clock
https://www.electronics-lab.com/esp8266-led-matrix-clock/
Simple LED matrix Clock based on the popular ESP8266 with Real Time Clock module and time synchronization over WiFi from an NTP server. One note on the RTC module, apparently it also has the ability to charge the battery, however that’s not a good idea when using a CR2032. One possible solution would be to […]
Arduino Real Time Clock with Temperature Monitor
https://www.electronics-lab.com/arduino-real-time-clock-temperature-monitor/
Hi guys, in one of our previous tutorials, we built a real-time clock with temperature monitor using the DS3231 and the 16×2 LCD display shield. Today, we will build an upgrade to that project by replacing the 16×2 LCD display with an ST7735 based 1.8″ colored TFT display. Apart from changing the display, we will […]
Arduino Real Time Clock with DS1302 and Nokia 5110 LCD Display
https://www.electronics-lab.com/arduino-real-time-clock-ds1302-nokia-5110-lcd-display/
Hi guys, in one of our previous tutorials, we made a real time clock, using the DS3231 RTC Module and the 1602 LCD display module. For this tutorial, we will be building something similar using the DS1302 RTC module and the Nokia 5110 display module. Unlike the 1602 LCD module which was used in the […]
Real Time Clock and Temperature Monitor using DS3231 Module
https://www.electronics-lab.com/real-time-clock-temperature-monitor-using-ds3231-module/
The DS3231 is a very low power RTC chip, it has the ability to keep time with incredible accuracy such that even after power has been disconnected from your product, it can run for years on a connected coin cell battery. This module has the ability to communicate via I2C or SPI but for this […]
MP3 Module & RTC DS1307 Shield For 28/40 Pin PIC Development Board
https://www.electronics-lab.com/mp3-module-rtc-ds1307-shield-2840-pin-pic-development-board/
MP3 Shield has been designed for various applications related to voice record and play using MP3 module with memory card storage, this shield can be used as standalone mode or Digital mode by serial interface. In standalone mode it can play 16 messages with couple of other functions, Standalone operation possible by connecting resistors and […]
Pi Desktop Case – include peripherals too
https://www.electronics-lab.com/pi-desktop-case-include-peripherals/
The ‘Pi Desktop’ kit from element14 offers some great features like Wi-Fi, Bluetooth, a real-time clock, an interface for an mSATA-SSD hard drive, an optional camera, heat sink, a neat power switch and of course the sleek black case. [via] The Raspberry Pi is a well designed, powerful and inexpensive board, but not a complete […]