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Well now, I don't know what to say. I can now program an STM32 with the Arduino IDE. And it was relatively painless. Go figure. I was keeping notes, so I will refer to them. This is with Debian

Hello John N6API, This is my recent experience using the Arduino IDE to make a binary, then uploading that binary to a 'Blue Pill' with the stlink utilities from https://github.com/texane/stlink I

Hi. Just received Bruce's new pcb design from JLCPCB. They look great. Can't wait to build 1 up. I already have an STM32 and 2 ESP32 (old pcb) units built and working. 73 Ken WB2ART

Hi Ken: You are right on target about the woes of STM32 on The Arduino IDE. I spent several sleepless nights trying to get the IDE to download the binary to the Blue Pill. Finally I gave up on the IDE

Hello John, N6API, I didn't know that the Arduino IDE could be used to program an MCU with a binary blob? The st-flash utility is much easier to install than the STM32 tool chain.

Hello Jerry, K0ES, You're welcome. The ESP32-WROMM-32 is much easier to program than an STM32F103C8T6 (Blue Pill). I use the Debian GNU/Linux operating system. If you are using a different OS, maybe

Excellent Post - Now if someone could post exact instructions to download the binary to the STM32 (Blue Pill) without having to jump through hoops and just using the Arduino IDE - I would be forever

Ken, Thanks so much for posting your instructions/guide to getting the ESP32 programmed. I'm a total novice and never would have known what to do without your guidance. Jerry / K0ES

Great! Thanks!

It should work great. Bruce w8bh.net

Soo... I'm slowly collecting parts. It's coming along nicely. Except.... I just realized that the massive resister kit I purchased had 22K resisters, not 20K... any chance they could work?

ESP32 Programming Note: When the Upload starts, and the Connecting with lines and dots appears, press the IO0 button until it connects. -- Regards, Ken, KM4NFQ "Not Fully Qualified"

There is a new update available for the ESP32 Morse Tutor. https://github.com/bhall66/morse-tutor/tree/master/MorseTutor_ESP32 Bruce set up the Two Way feature to be full-duplex. That meant that each

I put the latest and greatest W8BH Morse Tutor on the ESP32. Arduino IDE 1.8.9 In File > Preferences add: https://dl.espressif.com/dl/package_esp32_index.json to Additional Boards Manager URLs and

I put together the first ESP32 rev 1 PCB today. This is one of the boards I ordered from JLCPCB back on Nomember 19. The PCBs arrived yesterday, after only 23 days. Five PCBs for $8.49 incl. S&H.

Hello Jim, WA7DUY, I just received my W8BH Morse Tutor ESP32 rev 1 PCBs today. I ordered five board from JLCPCB. They cost $7.30 plus S&H. The S&H was $6.19, but I applied a $5.00 coupon, so that went

Bruce, I enjoyed trhe process of putting together the original MorseTutor so much that I've ordered everything for the new board. The above link to gerbers sends one to the old board which I realized

Hi Bruce, Have read and digested your documents. Here is a link to the 2 x 18650 battery box with switched output that I use -

Hi Bob, Thanks for writing.? Yes, I have tried these combinations.? My tiny 2800 mAh cellphone power pack has a runtime of 9 hours, and two 18650 cells in parallel (2P) have a runtime of 16 hours. A

Hi Bruce, Have you tried a cell phone power bank to provide stabilised 5V to the board? I also use 2 18650 cells and both techniques work well for powering my various projects and have a reasonable