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![USB Powered Audio Amplifier using MAX4298 USB Powered Audio Amplifier using MAX4298](https://www.electronics-lab.com/wp-content/uploads/2019/10/USB-POWERED-AUDIO-AMPLIFIER-9.jpg)
USB Powered Audio Amplifier using MAX4298
USB powered mini speaker amplifier is conveniently powered by USB and it is simple to set up. USB powered speakers are convenient for listening to your media while at home or on the go. Conventional computer speakers that require an electrical outlet to work can be prohibitive because...
Continue Reading![Arduino Air Quality Meter Arduino Air Quality Meter](https://www.electronics-lab.com/wp-content/uploads/2019/10/Screen-Shot-2019-10-19-at-6.25.09-PM-1024x822.png)
Arduino Air Quality Meter
Recent campaigns around environment pollution helped increase the awareness around it with more people beginning to monitor their pollution footprint while also paying attention to the quality of air they breathe in. Different countries and communities have now several Air quality...
Continue Reading![Tiny Reflow Controller with OLED display Tiny Reflow Controller with OLED display](https://www.electronics-lab.com/wp-content/uploads/2019/10/Screen-Shot-2019-10-12-at-8.05.47-PM-1024x705.png)
Tiny Reflow Controller with OLED display
Last time we examined how to build a DIY Reflow Oven controller using the Tiny Reflow Oven Controller v1 by Rocket Stream. However, Rocket Stream recently released the Tiny Reflow Controller V2 and for today's tutorial, we will attempt to build this second version. The Tiny Reflow...
Continue Reading![Lithium Coin Cell Charger for Rechargeable Coin Batteries Lithium Coin Cell Charger for Rechargeable Coin Batteries](https://www.electronics-lab.com/wp-content/uploads/2019/10/Lithium-Coin-Cell-Charger-for-Rechargeable-CR2016CR2025CR2032-Coin-Batteries-2-1024x868.jpg)
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...
Continue Reading![Temperature Controlled FAN using ATtiny10 Temperature Controlled FAN using ATtiny10](https://www.electronics-lab.com/wp-content/uploads/2019/10/attiny10usbasp.gif)
Temperature Controlled FAN using ATtiny10
The electrons movement in electronic components lead to the generation of heat which when beyond certain thresholds, prevents some components from functioning properly and in others could lead to a catastrophic breakdown. For this reason, the topics of ventilation, overheating, and...
Continue Reading![Mini Speaker Attached Audio Amplifier using TS4871 Mini Speaker Attached Audio Amplifier using TS4871](https://www.electronics-lab.com/wp-content/uploads/2019/10/mini-audio-amplifier-2.jpg)
Mini Speaker Attached Audio Amplifier using TS4871
This Mini Audio Power Amplifier is capable of delivering 1W of continuous RMS Output Power into 8 ohms load @ 5V. The Amplifier is built using TS4871 IC from ST. This Audio Amplifier is exhibiting 0.1% distortion level (THD) from a 5V supply for a Pout = 250mW RMS. An external...
Continue Reading![PHmeter – Arduino pH meter PHmeter – Arduino pH meter](https://www.electronics-lab.com/wp-content/uploads/2019/09/DIY.jpg)
PHmeter – Arduino pH meter
pH meters are scientific instruments used for measuring the activity and concentration of hydrogen-ions in water-based solutions, with the aim of indicating its acidity or alkalinity expressed as pH values. They find application in water & wastewater treatment, pharmaceuticals,...
Continue Reading![Chirp for Arduino – Send Data Over the Air with Sound Chirp for Arduino – Send Data Over the Air with Sound](https://www.electronics-lab.com/wp-content/uploads/2019/10/Screen-Shot-2019-10-10-at-9.46.42-PM-1024x591.png)
Chirp for Arduino – Send Data Over the Air with Sound
With IoT expanding, developers are begining to desire more communication options to facilitate the exploration of diverse IoT possibilities. This was one of the reasons why the announcement of partnership between Chirp and Arduino was received with so much enthusiasm by the makers....
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