Arduino-Based Two-Way Pager
https://www.electronics-lab.com/arduino-based-two-way-pager/
This Arduino-based pager by Mike Schaus will allow you to send and receive real SMS text messages. This messaging device has its own SIM card and phone number. In order to build this project you need the following parts: 1* Arduino UNO 1*Hologram SIM Card w/Device Management 1*Arduino GSM shield V2 1*Adafruit LCD Shield Kit […]
$3.6 GPRS GSM Module from Ai Thinker
https://www.electronics-lab.com/3-6-gprs-gsm-module-ai-thinker/
ShenZhen Ai-thinker CO.,a leading enterprise in the Internet of Things (IoT) industry and the maker of the ESP-12E module, had launched a new killer module: $3.60 GSM GPRS A6 Module! Providing a chip cheaper than the popular ESP8266 seems to be promising and opens doors for future IoT inventions. This module seems to be a […]
A20 Plus – WIFI/GPRS/GSM/CAMERA module
https://www.electronics-lab.com/a20-plus-wifigprsgsmcamera-module/
Raymond Tunning shares the information he found about the new A20 modules bought from taobao. A20 Plus – WIFI/GPRS/GSM/CAMERA module – [Link]
Send and Receive SMS with GSM SIM900 Arduino Shield
https://www.electronics-lab.com/send-receive-text-messages-sms-gsm-sim900-shield/
In this Instructable, you will learn how easy it is to send and receive SMS messages over GSM with Arduino. One of the essential elements of building IoT project is the ability to connect devices. Wi-Fi and Bluetooth are good low cost choices, but they work only at close ranges, or in hotspot areas. When […]
8V97051 Low Power Wideband Fractional RF Synthesizer
https://www.electronics-lab.com/8v97051-low-power-wideband-fractional-rf-synthesizer/
This design features a low power wideband RF synthesizer that is used in GSM receiver cards. It has dual differential and open drain outputs with frequency range of 34.375MHz to 4400MHz(in continuous range). The logic compatibility is 1.8V while the system is running on a single 3.3V supply. It has -143dBc/Hz Phase Noise (PN) performance […]
RePhone kit: World’s first open source and modular phone
https://www.electronics-lab.com/rephone-kit-worlds-first-open-source-and-modular-phone/
Seeed Studio has announced that RePhone, an open source and modular phone kit: With Rephone you can: 1.Create your own phone in minutes with the slim MODULES, accessible SOFTWARE, and customizable Phone Enclosures. 2.Hack anything around you, giving inanimate objects the power of cellular communication. Have a conversation with your pets, plants, toys, motorcycle helmets, […]