# Jump Start: 4553v1 NB-IoT Dev Board
:::warning
[v1 Datasheet](https://www.m2mgermany.de/shop/media/webshop_dl/AcSiP/4470_TD2115M_DataSheet_V0.3_20180925.pdf )
[v2 Datasheet](https://www.quectel.com/wp-content/uploads/2021/03/Quectel_BC20_硬件设计手册_V1.0.pdf)
AT Commands: https://drive.google.com/file/d/1_7T8yJUBVWVXtiO25tX-RsHotYatrYCC/view
Edu Platform: https://drive.google.com/file/d/1Lx2RdiiX-Yj7bRdBKsf9aHPhf_hYKUBq/view
NBIOT/GW/3bf90242ac110003
0 => Fan
1 => LED
:::
## 1. Install NRF Connect
Programmer
## 2. Connect the JLink, Install Driver
Download the corresponding driver from Segger, for our Lab Version is **7.88j**.
https://www.segger.com/downloads/jlink/JLink_Windows_V788j_x86_64.exe
Check with the nRF Connect
bottom left to top: v33rf swdio swdclk gnd
## 3. Check Flash
## 4. Set Arduino
Additional Board JSON (Go to preferences): https://sandeepmistry.github.io/arduino-nRF5/package_nRF5_boards_index.json
* Board: Generic nRF52
* SoftDevice: S132
* Programmer: J-link
* Low Frequency Clock: Crystal Oscillator
Don't forget to choose softdevice
Install Library: BLEPeripheral Sandeep
:::danger
To debug serial need to put sim card
:::
## 5. Wiring (v1)
PO_16 connect to CH_RX to debug
J1 is NB Antenna
# I2C
:::info
Variants :arrow_forward: Generic :arrow_forward: Digital Map
Debug: https://www.gammon.com.au/i2c
:::
Variant.h
## Power
```cpp=
//
// FILE: INA219_test_I2C.ino
// AUTHOR: Rob Tillaart
// PURPOSE: test I2C speed.
// URL: https://github.com/RobTillaart/INA219
#include "INA219.h"
#include <SoftwareSerial.h>
#include "Wire.h"
#define ledPin 17
SoftwareSerial debugSerial(15, 16);
INA219 INA(0x40);
void setup()
{
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW);
// debug serial: 傳debug訊息給電腦看
debugSerial.listen();
debugSerial.begin(115200); // For debug message
delay(2000);
while(!debugSerial);
debugSerial.println("\n\rSystem Start");
digitalWrite(ledPin, HIGH);
debugSerial.println(__FILE__);
debugSerial.print("INA219_LIB_VERSION: ");
debugSerial.println(INA219_LIB_VERSION);
Wire.begin();
for (byte x = 2; x <= 7; x++)
{
Wire.beginTransmission (64);
Wire.write (x);
if (Wire.endTransmission () == 0){
digitalWrite (ledPin, HIGH);
debugSerial.println("Success");
}
else {
digitalWrite (ledPin, LOW);
debugSerial.println("Failed");
}
delay (200);
}
debugSerial.print("Address: "); debugSerial.println(INA.getAddress());
for (uint32_t speed = 50000; speed <= 800000; speed += 50000)
{
delay(100);
Wire.setClock(speed);
uint32_t start = micros();
uint8_t mode = INA.getMode();
uint32_t stop = micros();
debugSerial.print(speed);
debugSerial.print("\t");
debugSerial.print(stop - start);
debugSerial.print("\t");
debugSerial.println(mode);
}
debugSerial.println("\n...done...");
// INA.setMaxCurrentShunt(1, 0.002);
// delay(1000);
// INA.setMaxCurrentShunt(2.5, 0.002);
// delay(1000);
INA.setMaxCurrentShunt(5, 0.002);
delay(1000);
// INA.setMaxCurrentShunt(7.5, 0.002);
// delay(1000);
// INA.setMaxCurrentShunt(10, 0.002);
// delay(1000);
// INA.setMaxCurrentShunt(15, 0.002);
// delay(1000);
// INA.setMaxCurrentShunt(20, 0.002);
// delay(10000);
debugSerial.println(INA.getBusVoltageRange());
}
void loop()
{
debugSerial.println("\n\tBUS\t\tSHUNT\t\tCURRENT\t\tPOWER\t\tOVF\t\tCNVR");
for (int i = 0; i < 20; i++)
{
debugSerial.print("\t");
debugSerial.print(INA.getBusVoltage(), 2);
debugSerial.print("\t\t");
debugSerial.print(INA.getShuntVoltage_mV(), 2);
debugSerial.print("\t\t");
debugSerial.print(INA.getCurrent_mA(), 2);
debugSerial.print("\t\t");
debugSerial.print(INA.getPower_mW(), 2);
debugSerial.print("\t\t");
debugSerial.print(INA.getMathOverflowFlag());
debugSerial.print("\t\t");
debugSerial.print(INA.getConversionFlag());
debugSerial.println();
delay(1000);
}
delay(1000);
}
// -- END OF FILE --
```
Low Power:
Normal Power:
Dead:
**Integration Success: **
**5/23**
NTHU EDU UDP： 教育版本的udp server也啟動了 位置在 140.114.71.154:5353
PRODUCTION SUCCESS UPLOAD
why got control?
5/26 LOG
```
19:30:58.082 -> OVF : 0 CNVR : 1
19:30:59.099 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d00930014021410000002A2000f
19:31:00.677 ->
19:31:00.677 -> 1,21
19:31:00.677 ->
19:31:00.677 -> OK
19:31:00.677 ->
19:31:00.677 -> Fan state: 0 Fan timer: 0
19:31:00.714 -> current millis: 280620 fan end millis: 0
19:31:00.714 -> LED state: 0 LED timer: 0
19:31:00.714 -> current millis: 280627 led end millis: 0
19:31:00.714 -> Motor state: 0 Motor timer: 0
19:31:00.714 -> current millis: 280634 led end millis: 0
19:31:00.714 -> Light val = 276, res = 17659.29
19:31:00.714 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d009400140214100000026544fb
19:31:02.338 ->
19:31:02.338 -> 1,21
19:31:02.338 ->
19:31:02.338 -> OK
19:31:02.338 ->
19:31:02.338 -> Soil humidity val = 568
19:31:02.338 -> , res = 6057.05
19:31:02.338 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d009500140214100000027817a9
19:31:45.602 -> OVF : 0 CNVR : 1
19:31:46.610 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d00af0014021410000002A2000f
19:31:48.213 ->
19:31:48.213 -> 1,21
19:31:48.213 ->
19:31:48.213 -> OK
19:31:48.213 ->
19:31:48.213 -> Fan state: 0 Fan timer: 0
19:31:48.213 -> current millis: 328131 fan end millis: 0
19:31:48.213 -> LED state: 0 LED timer: 0
19:31:48.213 -> current millis: 328138 led end millis: 0
19:31:48.213 -> Motor state: 0 Motor timer: 0
19:31:48.213 -> current millis: 328145 led end millis: 0
19:31:48.213 -> Light val = 271, res = 17339.38
19:31:48.213 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d00b000140214100000026543bb
19:31:49.813 ->
19:31:49.813 -> 1,21
19:31:49.813 ->
19:31:49.813 -> OK
19:31:49.813 ->
19:31:49.813 -> Soil humidity val = 558
19:31:49.848 -> , res = 5950.41
19:31:49.848 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d00b1001402141000000278173e
19:31:51.451 ->
19:31:51.451 -> 1,21
19:31:51.451 ->
19:31:51.451 -> OK
19:31:51.451 ->
19:31:51.451 -> DHT => Time out error
19:31:51.451 -> BUS (V) : 0.98
19:31:51.451 -> SHUNT (mV) : 14.38
19:31:51.451 -> CURRENT (mA) : 160.06
19:31:51.451 -> POWER (mW) : 158.69
19:31:51.451 -> OVF : 0 CNVR : 1
19:31:52.455 -> AT+NSOST=1,140.114.71.154,5353,21,ffff3300ffe8274d00b30014021410000002A2000f
```
NB Error
**I2C Check**
ACK
```python=
def on_message(client, userdata, message):
print(message.topic)
msg_string = str(message.payload.decode("utf-8"))
msg_json = json.loads(msg_string)[0]
print(msg_json)
data = msg_json['data'].lower()
header = data[:2]
body = data[2:]
macAddr = msg_json['macAddr']
if header == '1f':
pin = body[:2]
value = int(body[2:], base=16)
print(pin, value)
client.publish("PBL/UL/pbl-test", json.dumps([{
'macAddr': macAddr,
'data': '00' + data
}]))
client.publish("PBL/UL/pbl-test", json.dumps([{
'macAddr': macAddr,
'data': '002f' + pin + ('01' if value > 0 else '00')
}]))
```
Software I2C Porting
ACK
https://pastebin.com/aqgSQmCS
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