TinyPocketRadio – FM Stereo Radio based on ATtiny13A
RF

TinyPocketRadio – FM Stereo Radio based on ATtiny13A

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...

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Always-on Low-power Gas Sensing with 10+ Year Coin Cell Battery Life Reference Design
Uncategorized

Always-on Low-power Gas Sensing with 10+ Year Coin Cell Battery Life Reference Design

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...

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TinyRemote Control implements NEC protocol with Attiny13
Mcu

TinyRemote Control implements NEC protocol with Attiny13

The ATtiny series of microcontrollers are becoming popular as more people begin to learn about the huge capabilities packed into their tiny form factors and the possibility of easy programming through several modern tools like the Arduino IDE and PlatformIO. As a result of this...

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Ricoh Electronic Devices Company launches the RIOT-001 Environment Sensing Board
Sensor

Ricoh Electronic Devices Company launches the RIOT-001 Environment Sensing Board

Ricoh Electronic Devices Company RIOT-001 Environment Sensing Board is designed to transmit data obtained from a temperature/humidity/pressure sensor (BME280) and an ambient light sensor (MAX44009) via Bluetooth, to tablets or other smart devices. The board also includes a voltage...

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Arduino Wristwatch
Arduino

Arduino Wristwatch

This simple digital watch is inspired by the Eiriks Binary Wrist Watch from Sverd Industries! Check it out if you didn't already. by Marijo Blažević Watch uses the same microcontroller as one on Arduino UNO - super hackable and easy to use! In this tutorial, I'll be showing how you...

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Lithium Coin Cell Charger for Rechargeable Coin Batteries
USB

Lithium Coin Cell Charger for Rechargeable Coin Batteries

This versatile charger has been designed to charge Lithium Coin Cell Rechargeable CR2016/CR2025/CR2032 Coin Batteries. Just insert the battery to the holder, and plug in to any USB port to recharge, D3 Power LED, D1 LED indicates the charge cycle. The board has been designed to use dual...

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Witty Pi 3 offers RTC clock and powers your Raspberry Pi from a battery
Raspberry Pi

Witty Pi 3 offers RTC clock and powers your Raspberry Pi from a battery

Witty Pi 3 is the third generation of Witty Pi, and it is a descendant of Witty Pi 2. UUGear, popular for its add-on boards, has launched a new version of their Witty Pi board for the Raspberry Pi. According to the company, the Witty Pi 3 incorporates an RTC and power management...

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ATtiny10 Thermometer using DS18B20
Mcu

ATtiny10 Thermometer using DS18B20

This is a small battery-powered thermometer that displays the temperature as a series of red and green flashes on an LED. by David Johnson-Davies: The thermometer consists of an ATtiny10, a DS18B20 1-wire temperature sensor, and a bi-colour LED. To avoid the need for a digital display,...

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