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@@ -99,8 +99,14 @@ apt install motion <br/>
 <a href="https://felenasoft.com/xeoma/en/camerasupport/#general">Xeoma</a> replacement for Google Nest & much cheaper (supports d-link cameras)<br/>
 <a href="https://shop.ivideon.com/collections">iVideon</a> sells cameras that probably work with Xeoma<br/>
 
-<h2>courses</h2>
-<a href="https://www.udemy.com/course/vsd-intern-dac-ip-design-using-sky130-pdks-part-1/">VSD Intern - DAC IP design using Sky130 PDKs - Part 1</a><br/>
+<h3>courses</h3>
+<a href="https://github.com/vsdip/vsdopen2021_bgr">https://github.com/vsdip/vsdopen2021_bgr</a> the github repos<br/>
+<a href="https://riscv.org/blog/2021/10/risc-v-mentorship-formal-verification-of-swerv-el2-processor-shashank-v-m/">Formal Verification of SweRV EL2 Processor</a>  (Oct 7 2021)<br/>
+<a href="https://www.udemy.com/course/vsd-mixed-signal-risc-v-based-soc-on-fpga/learn/lecture/27527982#announcements">VSD Course - Mixed-signal RISC-V based SoC on FPGA</a>   Has picture of efabless wafer from Oct 3rd 2021<br/>
+<a href="https://www.udemy.com/course/vsd-intern-dac-ip-design-using-sky130-pdks-part-1/">VSD Intern - DAC IP design using Sky130 PDKs - Part 1</a> (May 2021)<br/>
+<br>
+
+<h3>misc</h3>
 <a href="https://www.browserstack.com/">BrowserStack -- test your website on different browsers</a><br/>
 <a href=""></a><br/>