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eduroam-TH SP Monitoring firmware installation for Heltec WIFI Kit 32

Heltec WIFI Kit 32

• ESP32-based (240MHz Tensilica LX6 dual-core)
• USB Micro, CP2102 USB to UART bridge
• 4MB SPI flash memory + 520K RAM
• 1 Button, 0.96 inch 128*64 OLED display, 1 Reset
• 2.4G PCB Antenna
• 5V DC power supply
• Battery Type: 3.7V Lithium (SH1.25 x 2 sockets)
• Development Platform MicroPython, Arduino

Where to buy

• ฿580, Heltec ESP32 OLED NodeMCU พร้อมจอ OLED ขนาด 0.96 นิ้ว
• ฿609, Heltec ESP32 OLED NodeMCU พร้อมจอ OLED ขนาด 0.96 นิ้ว

How to flash eduroam-TH SP monitor firmware for Heltec WIFI Kit 32

System requirement

• Desktop/Labtop computer
• Microsoft Windows 8, 10
• Windows PowerShell
• USB port

Instruction

• Download eduroam-TH firmware and flashing tool
• Extract the downloaded file to a local disk (ex: D:\):

• List of files:

D:\eduroam-TH-firmware\
 - esptool.exe
 - Heltec.ps1
 - ESP32-eduroam-mon.ino.heltec_wifi_kit_32.bin
 - ESP32-eduroam-mon.ino.partitions.bin
 - boot_app0.bin
 - bootloader_dio_80m.bin

• Run Windows PowerShell: Win+r >> PowerShell.exe

Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

PS C:\Users\Hello World> _

• Change location to D:\duroam-TH-firmware

PS C:\Users\Hello World> D:
PS D:\> cd eduroam-TH-firmware
PS D:\eduroam-TH-firmware> _

• Enable execution of PowerShell scripts

PS D:\eduroam-TH-firmware> Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Unrestricted -Force

• Run the flashing script: Heltec.ps1 and follow the instruction

PS D:\eduroam-TH-firmware> .\Heltec.ps1
=====================================================================
=============== eduroam-TH monitoring device flash tool ===============
=======================================================================

1) Connect Heltec WiFi Kit 32 to computer

Press Enter to continue...:

• Connect Heltec WIFI Kit 32 to USB of computer

=======================================================================
=============== eduroam-TH monitoring device flash tool ===============
=======================================================================

2) Select a COM port

1: Silicon Labs CP210x USB to UART Bridge (COM111)
2: Standard Serial over Bluetooth link (COM5)
3: Standard Serial over Bluetooth link (COM6)
4: Standard Serial over Bluetooth link (COM3)
5: Standard Serial over Bluetooth link (COM4)
Q: Press 'Q' to quit.

Please select COM port: 1

• Firmware flashing starts, Long press PRG button if flashing does not start in 5 seconds

=======================================================================
=============== eduroam-TH monitoring device flash tool ===============
=======================================================================

3) Long press PRG button if flashing does not start in 5 seconds

Flashing: Silicon Labs CP210x USB to UART Bridge (COM111)
=======================================================================
esptool.py v2.6
Serial port COM111
Connecting....
Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
MAC: cc:50:e3:99:1b:48
Uploading stub...
Running stub...
...
Leaving...
Hard resetting via RTS pin...

• Device reboot and running

=======================================================================
4) Disconnect Heltec WiFi Kit 32 from computer to stop serial monitor
=======================================================================

eduroam-TH SP monitoring device version 0.30-2019103100
ESP32 Development Board: HELTEC_WIFI_KIT_32
...
Connecting WiFi to: eduroam
Security Type: WPA2 Enterprise
.............................
WiFi connection successfully
...
Wifi will disconnect and reconnect again in 30 minutes
Going into DeepSleep mode and will wake up in 30 minutes

• Disconnect Heltec WIFI Kit 32 from computer