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GSM modem with USB
ByoeadminWe make a device that allows GPRS connectivity via the USB port of any PC or USB host device. Internet connectivity via mobile phone network is now an extremely widespread reality and many of us use it in a transparent and unconscious way using common objects such as tablets and smartphones. However, this is…
A full featured mp3 Demoboard
ByoeadminLet’s test out the capabilities of the DFR0299 audio player module, an ideal choice for Arduino but also for many stand-alone applications. In this article, we decided to design and propose a demoboard for the DFR0299 module we already used in the ‘Presepino’ project; this module will function as a development platform for…
Touch Display for Raspberry Pi
ByoeadminWe add to Raspberry Pi a TFT touch screen to display the system console, movies and favorite photos or control a relay board … at your fingertips, literally! To avoid using an HDMI monitor the cost well above that of Raspberry Pi, in previous articles we have always gone the way of connecting remotely to the…
How to build your Energy Load manager (part 2)
ByoeadminWhen the instantaneous power consumption exceeds the set values, it selectively disconnects the users, in order to prevent the electric meter to cut the power to disconnect. The management of the electricity users at home, intended as the possibility to define the operating priorities and to momentarily disconnect the ones that may be…
Matrix display 24X16 red LED 3MM
ByoeadminMatrix display 6 digit made up of 64 red LED each and based on the Holtek controller HT1632C. It can be controlled via the driver card (7719-DOTMATRIXLED), display letters, digits or symbols. It has 16 levels of brightness control, two terminals with 5V output voltage. Up to 4 cards can be connected in series. Power…
Touch GSM/SMS/RFID Security Alarm
ByoeadminWireless burglar alarm control unit can handle up to 32 zones for wireless sensors and 2 zones for wired sensors. Programmable via SMS and App for smartphones (iOS or Android), has GSM dialer quadriband, capacitive touch buttons, 2-digit LED display and rechargeble battery back-up. It can be stored up to 8 different user phone numbers,…
