ESP8266 Serial WIFI Wireless Transceiver Module, LWIP, AP+STA Arduino, IOT

Description This amazing tiny WIFI Module has attracted the maker’s attention in the last several months. The ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions […]

Write NFC example – Toggle Wi-Fi

Here is an example on writing tasks to your NFC tag. Here we take toggling Wi-Fi as an example. Apps The tools we use is the popular NFC app: NFC Tools & NFC Tasks. They can be easily downloaded from Google Play. Steps Here below is the steps to set the tasks and write them […]

Write WIFI password into your NFC tag

NFC (Near Field Communication) is getting popular in the smart phones. It brings kinds of convenience to our lives, like contactless payment, sharing contacts, photos, electronic identity, etc. More details can be seen on wiki–NFC. Figure 1 Results when searching for NFC on Google play There are a host of apps available from the Google […]

RF-BM-S02 CC2540 4.0 BLE Bluetooth to UART Transceiver Module

Description RF-BM-S01 BLE module applies CC2540 from TI as core processor. The module runs at 2.4GHz ISM band, with GFSK (Gaussian Frequency Shift Keying) modulation scheme. It has 40 channels (channel space at 2MHz), among which there are 3 fixed radio channels and 37 data channels of adaptive automatic frequency hopping. Physical layers can be […]

LM2596 DC-DC Switching Adjustable Voltage regulator Buck Converter Power

This small LM2596 module can convert a high voltage to a low voltage with the conversion efficiency up to 92%. Its output voltage can be conveniently adjusted using the on-board potentiometer. Specifications: Input voltage: 3-40V Output voltage: 1.5-35V (adjustable) Output current: Rated current is 2A, maximum 3A (if the output power more than 10W, the […]

UART TTL to WIFI Module Serial to wifi Support WPS Smart-LINK 802.11

1.1 Product Introduction Realize TTL and WIFI Network Two-way Transmission USR-WIFI232-T module is an integration of 802.11 b/g/n wi-fi module, which provides a wireless interface to any equipment with a serial interface for data transfer and has been widely applied in various fields. It has the following functions: Support IEEE802.11b/g/n Wireless Standards; Support TCP/IP/UDP Network […]

HM-10 CC2541 4.0 BLE Bluetooth to UART Transceiver Module

HM-10 CC2541 4.0 BLE Bluetooth to UART Transceiver Module 1.1 Description   HM-10 is Bluetooth V4.0 BLE version, using CC2541 from TI. It support three working modes: remote control, data transmission and PIO state acquisition. Module parameters can be modified through AT command conveniently. Transmission version can be used to transmit data between two Bluetooth […]

The selection of Xbee ZB modules

The Xbee ZB module from Digi international is a great wireless module to setup the Zigbee networks. With these modules, you don’t need to know too much about the Zigbee protocol itself. Once the modules are powered on, they will setup the network automatically. The company has provided several Xbee modules for different usage purposes. […]