Commit 84271453 authored by Sam Calisch's avatar Sam Calisch
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Update README.md

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......@@ -27,7 +27,7 @@ If application requirements don't allow you to use the Feather board from Adafru
The Adafruit board uses the <a href='http://www.raytac.com/download/MDBT42/MDBT42Q%20spec-Version%20C.pdf'>Raytac MDBT42Q</a>, available from Digikey (PN 1597-1434-ND) for $14.
Fanstel also makes a variety of modules with the NRF52832 as well as the NRF52840 (with USB 2.0 support). The BC-832 is a very small module (7.8mm x 8.8mm) available for $7.60 in quantity 10. The BT-832 is slightly larger, but comes in a variety ranges and sells for just $5 in quantity 10.
Fanstel also makes a variety of modules with the NRF52832 as well as the NRF52840 (with USB 2.0 support). The <a href='http://www.fanstel.com/bt832-1/'>BC-832</a> is a very small module (7.8mm x 8.8mm) available for $7.60 in quantity 10. The <a href='http://www.fanstel.com/bt832-1-1/'>BT-832</a> is slightly larger, but comes in a variety ranges and sells for just $5 in quantity 10.
Below is a custom board using the Raytac module. It is designed to use a serial DFU bootloader for programming with a standard FTDI cable.
......@@ -63,7 +63,7 @@ You don't have to spend hundreds on a J-Link (even though it is very nice). Usi
Support for the NRF52 is not in the stable release of OpenOCD as of V 0.10, but you can patch it following the instructions on <a href='https://primalcortex.wordpress.com/2017/06/10/setting-up-openocd-for-programming-the-nordic-nrf52832-chip/'>this page</a>. They worked for me, with the small addition that I needed to eliminate two duplicate variable definitions that broke my build.
The `openocd.cfg` will also be different for the NRF52. Here is mine for flashing a binary of the Adafruit bootloader:
The `openocd.cfg` will also be different for the NRF52 than the linked tutorial. Here is mine for flashing a binary of the Adafruit bootloader:
```
transport select swd
source [find target/nrf52.cfg]
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