Circuit Design of Tire Pressure Monitoring System (TPMS…

The TPMS system consists of a pressure sensor module and a central receiver. A pressure sensor module composed of a pressure sensor SPl2, a microcontroller and a 433 MHz transceiver IC (nRF401) completes the task of collecting and transmitting tire pressure. In the future, in ----more

DS1994L 4Kb, memory iButton & re with clock

DS1994L 4Kb, alternative product of clocked memory iButton® DS1994L is produced by Maxim's 6-inch fab, and the manufacturing process used is outdated and obsolete. Therefore, in order to avoid the high development cost caused by the migration of old devices to new proc ----more

Design of Mobile Terminal of Vehicle Position Monitorin…

Design of Mobile Terminal of Vehicle Position Monitoring System Based on GR47 Module introduction The vehicle positioning monitoring system designed this time is a set of remote monitoring and management system developed using the world's leading GPS global satellite pos ----more

Interleaved code

Interleaved code Figure 5-11 Bit interleaved coding diagram Arrange the serial data stream with the code length of n = I · L bits into an array of I rows and L columns, as shown in Figure 5-11, and write them into the random access register column by column from left to r ----more

18.21 and 24MHz amateur radio direction finding transce…

18.21 and 24MHz amateur radio direction finding transceiver (continued) Direct-lit Panel LampLed Surface Panel Light,Direct-Lit Led Panel Lamp,Direct-Lit Led Panel Light,Surface Mounted Panel LightChangxing Fanya Lighting Co.,Ltd , https://www.fyledlights.com ----more

The principle of 12864 dot matrix LCD module

The principle of 12864 dot matrix LCD module The 12864 dot matrix liquid crystal display module (LCM) is an array of 128 columns * 64 rows composed of 128 * 64 LCD dots. Each display point corresponds to a binary number, 1 means bright, 0 means off. The RAM that stores these d ----more

DWDM technology principle and its application in metrop…

DWDM technology principle and its application in metropolitan area network Dense wavelength division multiplexing (DWDM) technology can make full use of the huge bandwidth resources of optical fiber, greatly increase the system transmission capacity and reduce transmission co ----more