How to program iTracker RAK8212 without JLINK in Arduino
How to program iTracker RAK8212 without JLINK in Arduino ?
I did not order the JLINK, can I still upload code through UART or another arduino ISP programmer?
Maybe you can program RAK8212 via BLE DFU.
There is a demo of RAK8212 BLE DFU, you can refer to it. https://github.com/RAKWireless/RAK8212-itracker-firmware-based-on-nRF5SDK15.0.0-with-DFU
BTW, you can only upgrade the application of RAK8212 via cellular, like GPRS, NB-IoT, Cat M1. If you want it, please see this open source project: https://github.com/RAKWireless/RUI_itracker_platform_firmware