Tag: CR2032

Author: Irena Zhuravchak, Technical Documentation Apps Engineer, Renesas Electronics, Lviv, Ukraine Introduction What do alarm systems, timers, smart keychains, and other notification systems have in common? They all need a buzzer, and consequently, a buzzer driver. The driver must...

As a part of the Microchip Get Launched design competition, Virginia-based Great Big Factory, an electronic device manufacturer, has designed SMT parts counter that runs on a CR2032 coin cell– BeanCounter. Yet to be launched for crowdfunding on CrowdSupply, the manufacturer has...

All motherboards are equipped with a CMOS battery. In the past, it was necessary to maintain the operation of the CMOS memory, which was responsible for storing BIOS data and other parameters of a personal computer. Previously, BIOS settings were stored in CMOS memory which was powered...

Universal remote controls are very cool devices that can be programmed to operate various brands of one or more types of electronic devices. You can point the universal remote control to any device and control it with buttons available on the remote. Low-end remote controls can control...

Reverse Polish Notation (RPN) is a popular method for representing mathematical expressions. In this notation, the operator symbol comes after the operands in contrast to the Polish notation, where the operators are placed preceding the operands. For example, the Polish notation for the...

The Liquid Crystal Displays (LCDs) are a type of flat panel display that uses liquid crystals for operation. They are relatively old technology but can be seen in clocks, laptops, computers, calculators, dashboards, and other electronic projects and devices because of their advantages...

Stefan Wagner published another project on github.com. He writes: TinyPocketRadio is a simple FM stereo radio based on ATtiny13A and RDA5807MP. It's powered by a CR2032 coin cell battery and can drive 32 Ohm headphones via the 3.5 mm audio plug. The board size is 38 x 23 mm. It has a...

The TIDA-00756 TI Design uses nano-power operational amplifiers, comparators, system timers, temperature sensors, and the SimpleLink™ ultra-low power 2.4-GHz wireless microcontroller (MCU) platform to demonstrate an ultra-low power carbon monoxide detector implementation. These...