New and Improved Geiger Counter – Now With WiFi!

New and Improved Geiger Counter – Now With WiFi!

In one of our previous tutorials, we examined the development of a DIY-Geiger Counter showing the efforts of "Instructable" user Prabhat who combined the ESP8266 with a touch screen display to create a truly intuitive version of his Geiger Counter. He recently created an updated...

Continue Reading
16.205
Views
0 Comments
Capacitive Touch Sensor Toggle Switch

Capacitive Touch Sensor Toggle Switch

Touch sensors are used in many applications, from remote controls, LED light controls to appliance control panels. This is a simple solution to replace the mechanical buttons and can be implemented in a wide variety of applications. The sensor provides great user experience. It is...

Continue Reading
8.880
Views
2 Comments
IoT: Log Sensor Data to Google Sheets using NodeMCU

IoT: Log Sensor Data to Google Sheets using NodeMCU

Data is regarded as the major value proposition of IoT. The ability to receive real time data from different sources, store it and process it into actionable insights to transform and optimize processes either in real time or not is of immense value. This is one of the reasons why device...

Continue Reading
30.426
Views
14 Comments
Current Limit Solid State Power Switch with Latch

Current Limit Solid State Power Switch with Latch

The project published here is a solid-state power switch with current limiting that prevents damage to host devices from faulty load conditions. This analog current limit switch has low on-resistance P-channel MOSFET and INA202 driver IC from Texas Instrument. The project operates...

Continue Reading
6.904
Views
0 Comments
USB Powered Audio Amplifier using MAX4298

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
12.052
Views
0 Comments
Arduino Air Quality Meter

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
7.145
Views
3 Comments
Tiny Reflow Controller with OLED display

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
12.216
Views
5 Comments
Lithium Coin Cell Charger for Rechargeable Coin Batteries

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
15.244
Views
6 Comments
Get new posts by email:
Get new posts by email:

Join 97,426 other subscribers

Archives