Internet of Things NBIoT Locator

This course has three major themes, namely [Hardware PCB Design], [MCU Programming] and [Cloud Platform Application Design].

1-[Hardware PCB] The theme is from the second to the twenty-fourth episode, teaching everyone how to draw from symbol drawing to the design of the entire PCB, PCB proofing, component selection and purchase, and welding.
2-[MCU Programming] and [Cloud Platform Application Design] themes are from episode 25 to episode 52. They will teach you how to create new projects, design programs and BC20 serial port communication, battery voltage detection, AT command processing, cloud The entire design process of platform construction. Teach you in detail how to develop BC20-NBIoT locator from scratch

• Chapter 1：Course Introduction (2 minutes and 32 seconds)

• Chapter 2：BC20 data preparation (10 minutes and 23 seconds)

• Chapter 3：BC20 module schematic drawing-power part and control part (17 minutes and 11 seconds)

• Chapter 4：BC20 module schematic drawing-serial communication part (16 minutes and 42 seconds)

• Chapter 5：BC20 module schematic drawing-antenna part (10 minutes and 29 seconds)

• Chapter 6：BC20 module schematic drawing-SIM card part (13 minutes and 42 seconds)

• Chapter 7：Power supply schematic drawing-USB to TTL circuit (12 minutes and 43 seconds)

• Chapter 8：Power supply schematic drawing-lithium battery charging circuit (17 minutes and 10 seconds)

• Chapter 9：Power supply schematic drawing-one-key switch circuit (18 minutes and 40 seconds)

• Chapter 10：Drawing of single chip circuit schematic diagram (22 minutes and 11 seconds)

• Chapter 11：Schematic to PCB (16 minutes and 4 seconds)

• Chapter 12：PCB layout (1) (14 minutes and 38 seconds)

• Chapter 13：PCB layout (2) (13 minutes and 22 seconds)

• Chapter 14：PCB layout (3) (15 minutes and 8 seconds)

• Chapter 15：PCB wiring(1) (23 minutes and 35 seconds)

• Chapter 16：PCB wiring (2) (20 minutes and 45 seconds)

• Chapter 17：PCB wiring (3) (9 minutes and 10 seconds)

• Chapter 18：PCB wiring (4)-RF part (18 minutes and 7 seconds)

• Chapter 19：Adjust routing and place vias (12 minutes and 36 seconds)

• Chapter 20：Add LOGO (8 minutes and 58 seconds)

• Chapter 21：PCB order (13 minutes and 37 seconds)

• Chapter 22：Component purchase (1) (13 minutes and 45 seconds)

• Chapter 23：Component purchase (2) (12 minutes and 20 seconds)

• Chapter 24：PCB soldering (12 minutes and 50 seconds)

• Chapter 25：Set up a computer development environment (20 minutes and 16 seconds)

• Chapter 26：Create initialization project (19 minutes and 9 seconds)

• Chapter 27：Power on and off programming 1 (17 minutes and 38 seconds)

• Chapter 28：Serial port 1 communication program (20 minutes and 9 seconds)

• Chapter 29：Serial port 2 communication program (19 minutes and 45 seconds)

• Chapter 30：Measure battery voltage (18 minutes and 25 seconds)

• Chapter 31：Accurately measure battery voltage (1) (14 minutes and 5 seconds)

• Chapter 32：Accurately measure battery voltage (2) (13 minutes and 17 seconds)

• Chapter 33：Convert battery voltage to percentage (21 minutes and 6 seconds)

• Chapter 34：Add device to cloud platform (11 minutes and 56 seconds)

• Chapter 35：Connect to the cloud platform and upload data (21 minutes and 9 seconds)

• Chapter 36：Implement positioning function (13 minutes and 14 seconds)

• Chapter 37：Design AT command function (1) (14 minutes and 50 seconds)

• Chapter 38：Design AT command function (2) (14 minutes and 50 seconds)

• Chapter 39：Basic AT command programming (1) (12 minutes and 56 seconds)

• Chapter 40：Basic AT command programming (2) (13 minutes and 44 seconds)

• Chapter 41：Connection cloud platform command design (20 minutes and 15 seconds)

• Chapter 42：Connect cloud platform programming (11 minutes and 47 seconds)

• Chapter 43：Responsive subscription program design (1) (13 minutes and 33 seconds)

• Chapter 44：Responsive subscription program design (2) (13 minutes and 44 seconds)

• Chapter 45：Program design for reporting battery power (1) (14 minutes and 3 seconds)

• Chapter 46：Program design for reporting battery power (2) (14 minutes and 15 seconds)

• Chapter 47：Program design for reporting longitude and latitude (1) (20 minutes and 25 seconds)

• Chapter 48：Program design for reporting longitude and latitude (2) (21 minutes and 21 seconds)

• Chapter 49：Program design for reporting longitude and latitude (3) (19 minutes and 28 seconds)

• Chapter 50：Platform application design (11 minutes and 47 seconds)

• Chapter 51：Program optimization methods (16 minutes and 15 seconds)

• Chapter 52：Low power consumption design (14 minutes and 4 seconds)