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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Abhigkar
@parasquid
There's also the jlink edu mini which is around $20 from digikey https://www.digikey.com/product-detail/en/segger-microcontroller-systems/8-08-91-J-LINK-EDU-MINI/899-1061-ND/7387472 but then again the nrf52832 DK is just $40 which gives you a chip, as well as a jlink you can use to program other chips.
Too bad Nordic stopped supporting the nrf52832 DK though :( So maybe the jlink edu mini would be your best bet? I used to flash with my stlink and openocd as well, but I was amazed at how much faster the segger stuff is when I got them.