nRF52 boards, such as AdaFruit Feather nRF52832, nRF52840 Express, BlueFruit Sense, Itsy-Bitsy nRF52840 Express, Metro nRF52840 Express, NINA_B302_ublox, NINA_B112_ublox, etc. Arduino MKR GSM 1400 ...

👍Support WIFI and GSM dual network(you can use GSM if there is no WIFI, The WIFI only can work with 2.4G, not work with 5G), Different alarm status: away arm, home arm, delay arm and timely arm ...

In this project, I was tasked with writing a kernel module that allows a user program to directly access a virtual USB storage device using the block abstraction. Your kernel module supports both read ...

无线产品在各国都有着严格的管控法规标准，在中国有srrc认证，美国有fcc-id，韩国的kcc认证等等，而在日本针对无线产品的认证是telec认证，有人又称之为mic认证，这让许多客户存在疑问，这两个认证到底有什么区别？ telec（telecom engineering center）是日本无线电 ...

Block diagrams can be written, usually in boxes, with the headings input, process, and output. When planning how a circuit will function, these headings are then used to plan what the input ...

A flip-flop in digital electronics is formally defined as "A bistable device with synchronous input ...