Touch keyboard – 3 keys and 1 slider
Capacitive touch keypad with 3 buttons and slider.
Dimensions (mm): 60x15x1.
….
Read more: Touch keyboard – 3 keys and 1 slider
Similar Posts
Merry Christmas and a Open New Year
Here we are, a great year full of innovations and open source project is passing by and we would like to celebrate with you this magic moment! As usual in this period, it’s time to take stocks of the work done so far, so here are the most visited posts on Open Electronics. Top 5…
BATTERY SWITCH
Given two batteries, it chooses the one to connect to the load based on the voltage measured at their poles. It can also be used to switch DC power supplies. The growing demand for portable devices capable of working where there is no power grid or it is not convenient to use it is…
A Mini VoIP switchboard based on Raspberry Pi
Let’s find out how to make a phone switchboard equipped with all the most advanced features, by using a Raspberry Pi as hardware and Asterisk as software. Part one. The term VoIP, which means “Voice over Internet Protocol”, refers to a group of technologies used to transport voice using the Internet-based IP protocol as…
Solar panel charge regulator – MPPT 15 A
Charge regulator with MPPT (Maximum Power Point Tracking) technology for photovoltaic applications, equipped with LCD display and able to operate automatically both at 12 and at 24 V. The MPPT allows to always obtain, in any weather condition, the maximum power available from your photovoltaic system. It allows to supply the right degree of current…
Energy Meter module to analyze the electrical grid parameters and consumption: the software (part 2)
In the first installment, you had the opportunity of learning about our energy meter, and of learning about its details, with special attention the technical ones. Our energy meter is based on the coupling – by means of two measuring transformers – to an integrated circuit, that enables the detection of the values as…
Humidity and temperature sensor
The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. The only real…
